diff --git a/package.json b/package.json
index 3e6a48f48..8c001ce8d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "js-slang",
-  "version": "0.2.6",
+  "version": "0.3.1",
   "description": "Javascript-based interpreter for slang, written in Typescript",
   "author": {
     "name": "Source Academy",
@@ -14,7 +14,7 @@
     "source-map": "^0.7.3"
   },
   "main": "dist/index",
-    "types": "dist/index",
+  "types": "dist/index",
   "files": [
     "dist"
   ],
diff --git a/src/__tests__/__snapshots__/substituter.ts.snap b/src/__tests__/__snapshots__/substituter.ts.snap
new file mode 100644
index 000000000..4d132bf89
--- /dev/null
+++ b/src/__tests__/__snapshots__/substituter.ts.snap
@@ -0,0 +1,115731 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`1 + math_sin 1`] = `
+Array [
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 4,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 3,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 2,
+                "line": 2,
+              },
+            },
+            "raw": "1",
+            "start": 3,
+            "type": "Literal",
+            "value": 1,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 14,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 2,
+            },
+          },
+          "operator": "+",
+          "right": Node {
+            "end": 15,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 14,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 6,
+                "line": 2,
+              },
+            },
+            "name": "math_sin",
+            "start": 7,
+            "type": "Identifier",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+]
+`;
+
+exports[`Infinite recursion 1`] = `
+"function f() {
+  return f();
+}
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+f();
+
+Maximum number of steps exceeded;
+"
+`;
+
+exports[`Test "recursive" function calls 1`] = `
+Array [
+  Object {
+    "body": Array [
+      Object {
+        "body": Object {
+          "body": Array [
+            Object {
+              "argument": Object {
+                "alternate": Object {
+                  "left": Node {
+                    "end": 65,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 9,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 8,
+                        "line": 5,
+                      },
+                    },
+                    "name": "n",
+                    "start": 64,
+                    "type": "Identifier",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 26,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 8,
+                      "line": 5,
+                    },
+                  },
+                  "operator": "*",
+                  "right": Object {
+                    "arguments": Array [
+                      Object {
+                        "left": Node {
+                          "end": 79,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 23,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 22,
+                              "line": 5,
+                            },
+                          },
+                          "name": "n",
+                          "start": 78,
+                          "type": "Identifier",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 25,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 22,
+                            "line": 5,
+                          },
+                        },
+                        "operator": "-",
+                        "right": Node {
+                          "end": 81,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 25,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 24,
+                              "line": 5,
+                            },
+                          },
+                          "raw": "1",
+                          "start": 80,
+                          "type": "Literal",
+                          "value": 1,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                    ],
+                    "callee": Node {
+                      "end": 77,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 21,
+                          "line": 5,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 5,
+                        },
+                      },
+                      "name": "factorial",
+                      "start": 68,
+                      "type": "Identifier",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 26,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 12,
+                        "line": 5,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "type": "BinaryExpression",
+                },
+                "consequent": Node {
+                  "end": 55,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 9,
+                      "line": 4,
+                    },
+                    "start": Position {
+                      "column": 8,
+                      "line": 4,
+                    },
+                  },
+                  "raw": "1",
+                  "start": 54,
+                  "type": "Literal",
+                  "value": 1,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 11,
+                    "line": 3,
+                  },
+                },
+                "test": Object {
+                  "left": Node {
+                    "end": 39,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 12,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 3,
+                      },
+                    },
+                    "name": "n",
+                    "start": 38,
+                    "type": "Identifier",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 18,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 11,
+                      "line": 3,
+                    },
+                  },
+                  "operator": "===",
+                  "right": Node {
+                    "end": 45,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 18,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 17,
+                        "line": 3,
+                      },
+                    },
+                    "raw": "0",
+                    "start": 44,
+                    "type": "Literal",
+                    "value": 0,
+                  },
+                  "type": "BinaryExpression",
+                },
+                "type": "ConditionalExpression",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 27,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 4,
+                  "line": 3,
+                },
+              },
+              "type": "ReturnStatement",
+            },
+          ],
+          "type": "BlockStatement",
+        },
+        "id": Node {
+          "end": 21,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 20,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 11,
+              "line": 2,
+            },
+          },
+          "name": "factorial",
+          "start": 12,
+          "type": "Identifier",
+        },
+        "loc": undefined,
+        "params": Array [
+          Node {
+            "end": 23,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 22,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 21,
+                "line": 2,
+              },
+            },
+            "name": "n",
+            "start": 22,
+            "type": "Identifier",
+          },
+        ],
+        "type": "FunctionDeclaration",
+      },
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Node {
+              "end": 101,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 13,
+                  "line": 7,
+                },
+                "start": Position {
+                  "column": 12,
+                  "line": 7,
+                },
+              },
+              "raw": "5",
+              "start": 100,
+              "type": "Literal",
+              "value": 5,
+            },
+          ],
+          "callee": Node {
+            "end": 99,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 11,
+                "line": 7,
+              },
+              "start": Position {
+                "column": 2,
+                "line": 7,
+              },
+            },
+            "name": "factorial",
+            "start": 90,
+            "type": "Identifier",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 14,
+              "line": 7,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 7,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Node {
+              "end": 101,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 13,
+                  "line": 7,
+                },
+                "start": Position {
+                  "column": 12,
+                  "line": 7,
+                },
+              },
+              "raw": "5",
+              "start": 100,
+              "type": "Literal",
+              "value": 5,
+            },
+          ],
+          "callee": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "alternate": Object {
+                      "left": Node {
+                        "end": 65,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 9,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 8,
+                            "line": 5,
+                          },
+                        },
+                        "name": "n",
+                        "start": 64,
+                        "type": "Identifier",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 26,
+                          "line": 5,
+                        },
+                        "start": Position {
+                          "column": 8,
+                          "line": 5,
+                        },
+                      },
+                      "operator": "*",
+                      "right": Object {
+                        "arguments": Array [
+                          Object {
+                            "left": Node {
+                              "end": 79,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 23,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 22,
+                                  "line": 5,
+                                },
+                              },
+                              "name": "n",
+                              "start": 78,
+                              "type": "Identifier",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 25,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 22,
+                                "line": 5,
+                              },
+                            },
+                            "operator": "-",
+                            "right": Node {
+                              "end": 81,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 25,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 24,
+                                  "line": 5,
+                                },
+                              },
+                              "raw": "1",
+                              "start": 80,
+                              "type": "Literal",
+                              "value": 1,
+                            },
+                            "type": "BinaryExpression",
+                          },
+                        ],
+                        "callee": [Circular],
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 26,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 12,
+                            "line": 5,
+                          },
+                        },
+                        "type": "CallExpression",
+                      },
+                      "type": "BinaryExpression",
+                    },
+                    "consequent": Node {
+                      "end": 55,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 9,
+                          "line": 4,
+                        },
+                        "start": Position {
+                          "column": 8,
+                          "line": 4,
+                        },
+                      },
+                      "raw": "1",
+                      "start": 54,
+                      "type": "Literal",
+                      "value": 1,
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 26,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 3,
+                      },
+                    },
+                    "test": Object {
+                      "left": Node {
+                        "end": 39,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 12,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 11,
+                            "line": 3,
+                          },
+                        },
+                        "name": "n",
+                        "start": 38,
+                        "type": "Identifier",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 18,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 11,
+                          "line": 3,
+                        },
+                      },
+                      "operator": "===",
+                      "right": Node {
+                        "end": 45,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 18,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 17,
+                            "line": 3,
+                          },
+                        },
+                        "raw": "0",
+                        "start": 44,
+                        "type": "Literal",
+                        "value": 0,
+                      },
+                      "type": "BinaryExpression",
+                    },
+                    "type": "ConditionalExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 27,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 4,
+                      "line": 3,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 21,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 20,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 11,
+                  "line": 2,
+                },
+              },
+              "name": "factorial",
+              "start": 12,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [
+              Node {
+                "end": 23,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 22,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 21,
+                    "line": 2,
+                  },
+                },
+                "name": "n",
+                "start": 22,
+                "type": "Identifier",
+              },
+            ],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 14,
+              "line": 7,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 7,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "alternate": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 5,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "arguments": Array [
+                Object {
+                  "left": Object {
+                    "loc": undefined,
+                    "type": "Literal",
+                    "value": 5,
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 25,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 22,
+                      "line": 5,
+                    },
+                  },
+                  "operator": "-",
+                  "right": Node {
+                    "end": 81,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 25,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 24,
+                        "line": 5,
+                      },
+                    },
+                    "raw": "1",
+                    "start": 80,
+                    "type": "Literal",
+                    "value": 1,
+                  },
+                  "type": "BinaryExpression",
+                },
+              ],
+              "callee": Object {
+                "body": Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "alternate": Object {
+                          "left": Node {
+                            "end": 65,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 9,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 8,
+                                "line": 5,
+                              },
+                            },
+                            "name": "n",
+                            "start": 64,
+                            "type": "Identifier",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 26,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 8,
+                              "line": 5,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "arguments": Array [
+                              Object {
+                                "left": Node {
+                                  "end": 79,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 23,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 22,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "name": "n",
+                                  "start": 78,
+                                  "type": "Identifier",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 25,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 22,
+                                    "line": 5,
+                                  },
+                                },
+                                "operator": "-",
+                                "right": Node {
+                                  "end": 81,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 25,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 24,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "raw": "1",
+                                  "start": 80,
+                                  "type": "Literal",
+                                  "value": 1,
+                                },
+                                "type": "BinaryExpression",
+                              },
+                            ],
+                            "callee": [Circular],
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 26,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 12,
+                                "line": 5,
+                              },
+                            },
+                            "type": "CallExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "consequent": Node {
+                          "end": 55,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 9,
+                              "line": 4,
+                            },
+                            "start": Position {
+                              "column": 8,
+                              "line": 4,
+                            },
+                          },
+                          "raw": "1",
+                          "start": 54,
+                          "type": "Literal",
+                          "value": 1,
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 26,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 11,
+                            "line": 3,
+                          },
+                        },
+                        "test": Object {
+                          "left": Node {
+                            "end": 39,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 12,
+                                "line": 3,
+                              },
+                              "start": Position {
+                                "column": 11,
+                                "line": 3,
+                              },
+                            },
+                            "name": "n",
+                            "start": 38,
+                            "type": "Identifier",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 18,
+                              "line": 3,
+                            },
+                            "start": Position {
+                              "column": 11,
+                              "line": 3,
+                            },
+                          },
+                          "operator": "===",
+                          "right": Node {
+                            "end": 45,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 18,
+                                "line": 3,
+                              },
+                              "start": Position {
+                                "column": 17,
+                                "line": 3,
+                              },
+                            },
+                            "raw": "0",
+                            "start": 44,
+                            "type": "Literal",
+                            "value": 0,
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "type": "ConditionalExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 27,
+                          "line": 5,
+                        },
+                        "start": Position {
+                          "column": 4,
+                          "line": 3,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+                "id": Node {
+                  "end": 21,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 20,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 11,
+                      "line": 2,
+                    },
+                  },
+                  "name": "factorial",
+                  "start": 12,
+                  "type": "Identifier",
+                },
+                "loc": undefined,
+                "params": Array [
+                  Node {
+                    "end": 23,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 22,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 21,
+                        "line": 2,
+                      },
+                    },
+                    "name": "n",
+                    "start": 22,
+                    "type": "Identifier",
+                  },
+                ],
+                "type": "FunctionExpression",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 12,
+                  "line": 5,
+                },
+              },
+              "type": "CallExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "consequent": Node {
+            "end": 55,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 9,
+                "line": 4,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 4,
+              },
+            },
+            "raw": "1",
+            "start": 54,
+            "type": "Literal",
+            "value": 1,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 11,
+              "line": 3,
+            },
+          },
+          "test": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 5,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 18,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 11,
+                "line": 3,
+              },
+            },
+            "operator": "===",
+            "right": Node {
+              "end": 45,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 18,
+                  "line": 3,
+                },
+                "start": Position {
+                  "column": 17,
+                  "line": 3,
+                },
+              },
+              "raw": "0",
+              "start": 44,
+              "type": "Literal",
+              "value": 0,
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "ConditionalExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "alternate": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 5,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "arguments": Array [
+                Object {
+                  "left": Object {
+                    "loc": undefined,
+                    "type": "Literal",
+                    "value": 5,
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 25,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 22,
+                      "line": 5,
+                    },
+                  },
+                  "operator": "-",
+                  "right": Node {
+                    "end": 81,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 25,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 24,
+                        "line": 5,
+                      },
+                    },
+                    "raw": "1",
+                    "start": 80,
+                    "type": "Literal",
+                    "value": 1,
+                  },
+                  "type": "BinaryExpression",
+                },
+              ],
+              "callee": Object {
+                "body": Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "alternate": Object {
+                          "left": Node {
+                            "end": 65,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 9,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 8,
+                                "line": 5,
+                              },
+                            },
+                            "name": "n",
+                            "start": 64,
+                            "type": "Identifier",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 26,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 8,
+                              "line": 5,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "arguments": Array [
+                              Object {
+                                "left": Node {
+                                  "end": 79,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 23,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 22,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "name": "n",
+                                  "start": 78,
+                                  "type": "Identifier",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 25,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 22,
+                                    "line": 5,
+                                  },
+                                },
+                                "operator": "-",
+                                "right": Node {
+                                  "end": 81,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 25,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 24,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "raw": "1",
+                                  "start": 80,
+                                  "type": "Literal",
+                                  "value": 1,
+                                },
+                                "type": "BinaryExpression",
+                              },
+                            ],
+                            "callee": [Circular],
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 26,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 12,
+                                "line": 5,
+                              },
+                            },
+                            "type": "CallExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "consequent": Node {
+                          "end": 55,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 9,
+                              "line": 4,
+                            },
+                            "start": Position {
+                              "column": 8,
+                              "line": 4,
+                            },
+                          },
+                          "raw": "1",
+                          "start": 54,
+                          "type": "Literal",
+                          "value": 1,
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 26,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 11,
+                            "line": 3,
+                          },
+                        },
+                        "test": Object {
+                          "left": Node {
+                            "end": 39,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 12,
+                                "line": 3,
+                              },
+                              "start": Position {
+                                "column": 11,
+                                "line": 3,
+                              },
+                            },
+                            "name": "n",
+                            "start": 38,
+                            "type": "Identifier",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 18,
+                              "line": 3,
+                            },
+                            "start": Position {
+                              "column": 11,
+                              "line": 3,
+                            },
+                          },
+                          "operator": "===",
+                          "right": Node {
+                            "end": 45,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 18,
+                                "line": 3,
+                              },
+                              "start": Position {
+                                "column": 17,
+                                "line": 3,
+                              },
+                            },
+                            "raw": "0",
+                            "start": 44,
+                            "type": "Literal",
+                            "value": 0,
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "type": "ConditionalExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 27,
+                          "line": 5,
+                        },
+                        "start": Position {
+                          "column": 4,
+                          "line": 3,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+                "id": Node {
+                  "end": 21,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 20,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 11,
+                      "line": 2,
+                    },
+                  },
+                  "name": "factorial",
+                  "start": 12,
+                  "type": "Identifier",
+                },
+                "loc": undefined,
+                "params": Array [
+                  Node {
+                    "end": 23,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 22,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 21,
+                        "line": 2,
+                      },
+                    },
+                    "name": "n",
+                    "start": 22,
+                    "type": "Identifier",
+                  },
+                ],
+                "type": "FunctionExpression",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 12,
+                  "line": 5,
+                },
+              },
+              "type": "CallExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "consequent": Node {
+            "end": 55,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 9,
+                "line": 4,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 4,
+              },
+            },
+            "raw": "1",
+            "start": 54,
+            "type": "Literal",
+            "value": 1,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 11,
+              "line": 3,
+            },
+          },
+          "test": Node {
+            "end": 5,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 5,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "raw": "false",
+            "start": 0,
+            "type": "Literal",
+            "value": false,
+          },
+          "type": "ConditionalExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "arguments": Array [
+              Object {
+                "left": Object {
+                  "loc": undefined,
+                  "type": "Literal",
+                  "value": 5,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 25,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 22,
+                    "line": 5,
+                  },
+                },
+                "operator": "-",
+                "right": Node {
+                  "end": 81,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 25,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 24,
+                      "line": 5,
+                    },
+                  },
+                  "raw": "1",
+                  "start": 80,
+                  "type": "Literal",
+                  "value": 1,
+                },
+                "type": "BinaryExpression",
+              },
+            ],
+            "callee": Object {
+              "body": Object {
+                "body": Array [
+                  Object {
+                    "argument": Object {
+                      "alternate": Object {
+                        "left": Node {
+                          "end": 65,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 9,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 8,
+                              "line": 5,
+                            },
+                          },
+                          "name": "n",
+                          "start": 64,
+                          "type": "Identifier",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 26,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 8,
+                            "line": 5,
+                          },
+                        },
+                        "operator": "*",
+                        "right": Object {
+                          "arguments": Array [
+                            Object {
+                              "left": Node {
+                                "end": 79,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 23,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 22,
+                                    "line": 5,
+                                  },
+                                },
+                                "name": "n",
+                                "start": 78,
+                                "type": "Identifier",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 25,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 22,
+                                  "line": 5,
+                                },
+                              },
+                              "operator": "-",
+                              "right": Node {
+                                "end": 81,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 25,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 24,
+                                    "line": 5,
+                                  },
+                                },
+                                "raw": "1",
+                                "start": 80,
+                                "type": "Literal",
+                                "value": 1,
+                              },
+                              "type": "BinaryExpression",
+                            },
+                          ],
+                          "callee": [Circular],
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 26,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 12,
+                              "line": 5,
+                            },
+                          },
+                          "type": "CallExpression",
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "consequent": Node {
+                        "end": 55,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 9,
+                            "line": 4,
+                          },
+                          "start": Position {
+                            "column": 8,
+                            "line": 4,
+                          },
+                        },
+                        "raw": "1",
+                        "start": 54,
+                        "type": "Literal",
+                        "value": 1,
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 26,
+                          "line": 5,
+                        },
+                        "start": Position {
+                          "column": 11,
+                          "line": 3,
+                        },
+                      },
+                      "test": Object {
+                        "left": Node {
+                          "end": 39,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 12,
+                              "line": 3,
+                            },
+                            "start": Position {
+                              "column": 11,
+                              "line": 3,
+                            },
+                          },
+                          "name": "n",
+                          "start": 38,
+                          "type": "Identifier",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 18,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 11,
+                            "line": 3,
+                          },
+                        },
+                        "operator": "===",
+                        "right": Node {
+                          "end": 45,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 18,
+                              "line": 3,
+                            },
+                            "start": Position {
+                              "column": 17,
+                              "line": 3,
+                            },
+                          },
+                          "raw": "0",
+                          "start": 44,
+                          "type": "Literal",
+                          "value": 0,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "type": "ConditionalExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 27,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 4,
+                        "line": 3,
+                      },
+                    },
+                    "type": "ReturnStatement",
+                  },
+                ],
+                "type": "BlockStatement",
+              },
+              "id": Node {
+                "end": 21,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 20,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 11,
+                    "line": 2,
+                  },
+                },
+                "name": "factorial",
+                "start": 12,
+                "type": "Identifier",
+              },
+              "loc": undefined,
+              "params": Array [
+                Node {
+                  "end": 23,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 22,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 21,
+                      "line": 2,
+                    },
+                  },
+                  "name": "n",
+                  "start": 22,
+                  "type": "Identifier",
+                },
+              ],
+              "type": "FunctionExpression",
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 12,
+                "line": 5,
+              },
+            },
+            "type": "CallExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "arguments": Array [
+              Node {
+                "end": 1,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 1,
+                    "line": 1,
+                  },
+                  "start": Position {
+                    "column": 0,
+                    "line": 1,
+                  },
+                },
+                "raw": "4",
+                "start": 0,
+                "type": "Literal",
+                "value": 4,
+              },
+            ],
+            "callee": Object {
+              "body": Object {
+                "body": Array [
+                  Object {
+                    "argument": Object {
+                      "alternate": Object {
+                        "left": Node {
+                          "end": 65,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 9,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 8,
+                              "line": 5,
+                            },
+                          },
+                          "name": "n",
+                          "start": 64,
+                          "type": "Identifier",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 26,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 8,
+                            "line": 5,
+                          },
+                        },
+                        "operator": "*",
+                        "right": Object {
+                          "arguments": Array [
+                            Object {
+                              "left": Node {
+                                "end": 79,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 23,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 22,
+                                    "line": 5,
+                                  },
+                                },
+                                "name": "n",
+                                "start": 78,
+                                "type": "Identifier",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 25,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 22,
+                                  "line": 5,
+                                },
+                              },
+                              "operator": "-",
+                              "right": Node {
+                                "end": 81,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 25,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 24,
+                                    "line": 5,
+                                  },
+                                },
+                                "raw": "1",
+                                "start": 80,
+                                "type": "Literal",
+                                "value": 1,
+                              },
+                              "type": "BinaryExpression",
+                            },
+                          ],
+                          "callee": [Circular],
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 26,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 12,
+                              "line": 5,
+                            },
+                          },
+                          "type": "CallExpression",
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "consequent": Node {
+                        "end": 55,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 9,
+                            "line": 4,
+                          },
+                          "start": Position {
+                            "column": 8,
+                            "line": 4,
+                          },
+                        },
+                        "raw": "1",
+                        "start": 54,
+                        "type": "Literal",
+                        "value": 1,
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 26,
+                          "line": 5,
+                        },
+                        "start": Position {
+                          "column": 11,
+                          "line": 3,
+                        },
+                      },
+                      "test": Object {
+                        "left": Node {
+                          "end": 39,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 12,
+                              "line": 3,
+                            },
+                            "start": Position {
+                              "column": 11,
+                              "line": 3,
+                            },
+                          },
+                          "name": "n",
+                          "start": 38,
+                          "type": "Identifier",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 18,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 11,
+                            "line": 3,
+                          },
+                        },
+                        "operator": "===",
+                        "right": Node {
+                          "end": 45,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 18,
+                              "line": 3,
+                            },
+                            "start": Position {
+                              "column": 17,
+                              "line": 3,
+                            },
+                          },
+                          "raw": "0",
+                          "start": 44,
+                          "type": "Literal",
+                          "value": 0,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "type": "ConditionalExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 27,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 4,
+                        "line": 3,
+                      },
+                    },
+                    "type": "ReturnStatement",
+                  },
+                ],
+                "type": "BlockStatement",
+              },
+              "id": Node {
+                "end": 21,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 20,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 11,
+                    "line": 2,
+                  },
+                },
+                "name": "factorial",
+                "start": 12,
+                "type": "Identifier",
+              },
+              "loc": undefined,
+              "params": Array [
+                Node {
+                  "end": 23,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 22,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 21,
+                      "line": 2,
+                    },
+                  },
+                  "name": "n",
+                  "start": 22,
+                  "type": "Identifier",
+                },
+              ],
+              "type": "FunctionExpression",
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 12,
+                "line": 5,
+              },
+            },
+            "type": "CallExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "alternate": Object {
+              "left": Object {
+                "loc": undefined,
+                "type": "Literal",
+                "value": 4,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 5,
+                },
+              },
+              "operator": "*",
+              "right": Object {
+                "arguments": Array [
+                  Object {
+                    "left": Object {
+                      "loc": undefined,
+                      "type": "Literal",
+                      "value": 4,
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 25,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 22,
+                        "line": 5,
+                      },
+                    },
+                    "operator": "-",
+                    "right": Node {
+                      "end": 81,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 25,
+                          "line": 5,
+                        },
+                        "start": Position {
+                          "column": 24,
+                          "line": 5,
+                        },
+                      },
+                      "raw": "1",
+                      "start": 80,
+                      "type": "Literal",
+                      "value": 1,
+                    },
+                    "type": "BinaryExpression",
+                  },
+                ],
+                "callee": Object {
+                  "body": Object {
+                    "body": Array [
+                      Object {
+                        "argument": Object {
+                          "alternate": Object {
+                            "left": Node {
+                              "end": 65,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 9,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 8,
+                                  "line": 5,
+                                },
+                              },
+                              "name": "n",
+                              "start": 64,
+                              "type": "Identifier",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 26,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 8,
+                                "line": 5,
+                              },
+                            },
+                            "operator": "*",
+                            "right": Object {
+                              "arguments": Array [
+                                Object {
+                                  "left": Node {
+                                    "end": 79,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 23,
+                                        "line": 5,
+                                      },
+                                      "start": Position {
+                                        "column": 22,
+                                        "line": 5,
+                                      },
+                                    },
+                                    "name": "n",
+                                    "start": 78,
+                                    "type": "Identifier",
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 25,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 22,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "operator": "-",
+                                  "right": Node {
+                                    "end": 81,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 25,
+                                        "line": 5,
+                                      },
+                                      "start": Position {
+                                        "column": 24,
+                                        "line": 5,
+                                      },
+                                    },
+                                    "raw": "1",
+                                    "start": 80,
+                                    "type": "Literal",
+                                    "value": 1,
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                              ],
+                              "callee": [Circular],
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 26,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 12,
+                                  "line": 5,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "consequent": Node {
+                            "end": 55,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 9,
+                                "line": 4,
+                              },
+                              "start": Position {
+                                "column": 8,
+                                "line": 4,
+                              },
+                            },
+                            "raw": "1",
+                            "start": 54,
+                            "type": "Literal",
+                            "value": 1,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 26,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 11,
+                              "line": 3,
+                            },
+                          },
+                          "test": Object {
+                            "left": Node {
+                              "end": 39,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 12,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 11,
+                                  "line": 3,
+                                },
+                              },
+                              "name": "n",
+                              "start": 38,
+                              "type": "Identifier",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 18,
+                                "line": 3,
+                              },
+                              "start": Position {
+                                "column": 11,
+                                "line": 3,
+                              },
+                            },
+                            "operator": "===",
+                            "right": Node {
+                              "end": 45,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 18,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 17,
+                                  "line": 3,
+                                },
+                              },
+                              "raw": "0",
+                              "start": 44,
+                              "type": "Literal",
+                              "value": 0,
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "type": "ConditionalExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 27,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 4,
+                            "line": 3,
+                          },
+                        },
+                        "type": "ReturnStatement",
+                      },
+                    ],
+                    "type": "BlockStatement",
+                  },
+                  "id": Node {
+                    "end": 21,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 20,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 2,
+                      },
+                    },
+                    "name": "factorial",
+                    "start": 12,
+                    "type": "Identifier",
+                  },
+                  "loc": undefined,
+                  "params": Array [
+                    Node {
+                      "end": 23,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 22,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 21,
+                          "line": 2,
+                        },
+                      },
+                      "name": "n",
+                      "start": 22,
+                      "type": "Identifier",
+                    },
+                  ],
+                  "type": "FunctionExpression",
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 12,
+                    "line": 5,
+                  },
+                },
+                "type": "CallExpression",
+              },
+              "type": "BinaryExpression",
+            },
+            "consequent": Node {
+              "end": 55,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 9,
+                  "line": 4,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 4,
+                },
+              },
+              "raw": "1",
+              "start": 54,
+              "type": "Literal",
+              "value": 1,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 11,
+                "line": 3,
+              },
+            },
+            "test": Object {
+              "left": Object {
+                "loc": undefined,
+                "type": "Literal",
+                "value": 4,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 18,
+                  "line": 3,
+                },
+                "start": Position {
+                  "column": 11,
+                  "line": 3,
+                },
+              },
+              "operator": "===",
+              "right": Node {
+                "end": 45,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 18,
+                    "line": 3,
+                  },
+                  "start": Position {
+                    "column": 17,
+                    "line": 3,
+                  },
+                },
+                "raw": "0",
+                "start": 44,
+                "type": "Literal",
+                "value": 0,
+              },
+              "type": "BinaryExpression",
+            },
+            "type": "ConditionalExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "alternate": Object {
+              "left": Object {
+                "loc": undefined,
+                "type": "Literal",
+                "value": 4,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 5,
+                },
+              },
+              "operator": "*",
+              "right": Object {
+                "arguments": Array [
+                  Object {
+                    "left": Object {
+                      "loc": undefined,
+                      "type": "Literal",
+                      "value": 4,
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 25,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 22,
+                        "line": 5,
+                      },
+                    },
+                    "operator": "-",
+                    "right": Node {
+                      "end": 81,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 25,
+                          "line": 5,
+                        },
+                        "start": Position {
+                          "column": 24,
+                          "line": 5,
+                        },
+                      },
+                      "raw": "1",
+                      "start": 80,
+                      "type": "Literal",
+                      "value": 1,
+                    },
+                    "type": "BinaryExpression",
+                  },
+                ],
+                "callee": Object {
+                  "body": Object {
+                    "body": Array [
+                      Object {
+                        "argument": Object {
+                          "alternate": Object {
+                            "left": Node {
+                              "end": 65,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 9,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 8,
+                                  "line": 5,
+                                },
+                              },
+                              "name": "n",
+                              "start": 64,
+                              "type": "Identifier",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 26,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 8,
+                                "line": 5,
+                              },
+                            },
+                            "operator": "*",
+                            "right": Object {
+                              "arguments": Array [
+                                Object {
+                                  "left": Node {
+                                    "end": 79,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 23,
+                                        "line": 5,
+                                      },
+                                      "start": Position {
+                                        "column": 22,
+                                        "line": 5,
+                                      },
+                                    },
+                                    "name": "n",
+                                    "start": 78,
+                                    "type": "Identifier",
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 25,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 22,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "operator": "-",
+                                  "right": Node {
+                                    "end": 81,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 25,
+                                        "line": 5,
+                                      },
+                                      "start": Position {
+                                        "column": 24,
+                                        "line": 5,
+                                      },
+                                    },
+                                    "raw": "1",
+                                    "start": 80,
+                                    "type": "Literal",
+                                    "value": 1,
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                              ],
+                              "callee": [Circular],
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 26,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 12,
+                                  "line": 5,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "consequent": Node {
+                            "end": 55,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 9,
+                                "line": 4,
+                              },
+                              "start": Position {
+                                "column": 8,
+                                "line": 4,
+                              },
+                            },
+                            "raw": "1",
+                            "start": 54,
+                            "type": "Literal",
+                            "value": 1,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 26,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 11,
+                              "line": 3,
+                            },
+                          },
+                          "test": Object {
+                            "left": Node {
+                              "end": 39,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 12,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 11,
+                                  "line": 3,
+                                },
+                              },
+                              "name": "n",
+                              "start": 38,
+                              "type": "Identifier",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 18,
+                                "line": 3,
+                              },
+                              "start": Position {
+                                "column": 11,
+                                "line": 3,
+                              },
+                            },
+                            "operator": "===",
+                            "right": Node {
+                              "end": 45,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 18,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 17,
+                                  "line": 3,
+                                },
+                              },
+                              "raw": "0",
+                              "start": 44,
+                              "type": "Literal",
+                              "value": 0,
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "type": "ConditionalExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 27,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 4,
+                            "line": 3,
+                          },
+                        },
+                        "type": "ReturnStatement",
+                      },
+                    ],
+                    "type": "BlockStatement",
+                  },
+                  "id": Node {
+                    "end": 21,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 20,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 2,
+                      },
+                    },
+                    "name": "factorial",
+                    "start": 12,
+                    "type": "Identifier",
+                  },
+                  "loc": undefined,
+                  "params": Array [
+                    Node {
+                      "end": 23,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 22,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 21,
+                          "line": 2,
+                        },
+                      },
+                      "name": "n",
+                      "start": 22,
+                      "type": "Identifier",
+                    },
+                  ],
+                  "type": "FunctionExpression",
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 12,
+                    "line": 5,
+                  },
+                },
+                "type": "CallExpression",
+              },
+              "type": "BinaryExpression",
+            },
+            "consequent": Node {
+              "end": 55,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 9,
+                  "line": 4,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 4,
+                },
+              },
+              "raw": "1",
+              "start": 54,
+              "type": "Literal",
+              "value": 1,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 11,
+                "line": 3,
+              },
+            },
+            "test": Node {
+              "end": 5,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 5,
+                  "line": 1,
+                },
+                "start": Position {
+                  "column": 0,
+                  "line": 1,
+                },
+              },
+              "raw": "false",
+              "start": 0,
+              "type": "Literal",
+              "value": false,
+            },
+            "type": "ConditionalExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "arguments": Array [
+                Object {
+                  "left": Object {
+                    "loc": undefined,
+                    "type": "Literal",
+                    "value": 4,
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 25,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 22,
+                      "line": 5,
+                    },
+                  },
+                  "operator": "-",
+                  "right": Node {
+                    "end": 81,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 25,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 24,
+                        "line": 5,
+                      },
+                    },
+                    "raw": "1",
+                    "start": 80,
+                    "type": "Literal",
+                    "value": 1,
+                  },
+                  "type": "BinaryExpression",
+                },
+              ],
+              "callee": Object {
+                "body": Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "alternate": Object {
+                          "left": Node {
+                            "end": 65,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 9,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 8,
+                                "line": 5,
+                              },
+                            },
+                            "name": "n",
+                            "start": 64,
+                            "type": "Identifier",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 26,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 8,
+                              "line": 5,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "arguments": Array [
+                              Object {
+                                "left": Node {
+                                  "end": 79,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 23,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 22,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "name": "n",
+                                  "start": 78,
+                                  "type": "Identifier",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 25,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 22,
+                                    "line": 5,
+                                  },
+                                },
+                                "operator": "-",
+                                "right": Node {
+                                  "end": 81,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 25,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 24,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "raw": "1",
+                                  "start": 80,
+                                  "type": "Literal",
+                                  "value": 1,
+                                },
+                                "type": "BinaryExpression",
+                              },
+                            ],
+                            "callee": [Circular],
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 26,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 12,
+                                "line": 5,
+                              },
+                            },
+                            "type": "CallExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "consequent": Node {
+                          "end": 55,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 9,
+                              "line": 4,
+                            },
+                            "start": Position {
+                              "column": 8,
+                              "line": 4,
+                            },
+                          },
+                          "raw": "1",
+                          "start": 54,
+                          "type": "Literal",
+                          "value": 1,
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 26,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 11,
+                            "line": 3,
+                          },
+                        },
+                        "test": Object {
+                          "left": Node {
+                            "end": 39,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 12,
+                                "line": 3,
+                              },
+                              "start": Position {
+                                "column": 11,
+                                "line": 3,
+                              },
+                            },
+                            "name": "n",
+                            "start": 38,
+                            "type": "Identifier",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 18,
+                              "line": 3,
+                            },
+                            "start": Position {
+                              "column": 11,
+                              "line": 3,
+                            },
+                          },
+                          "operator": "===",
+                          "right": Node {
+                            "end": 45,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 18,
+                                "line": 3,
+                              },
+                              "start": Position {
+                                "column": 17,
+                                "line": 3,
+                              },
+                            },
+                            "raw": "0",
+                            "start": 44,
+                            "type": "Literal",
+                            "value": 0,
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "type": "ConditionalExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 27,
+                          "line": 5,
+                        },
+                        "start": Position {
+                          "column": 4,
+                          "line": 3,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+                "id": Node {
+                  "end": 21,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 20,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 11,
+                      "line": 2,
+                    },
+                  },
+                  "name": "factorial",
+                  "start": 12,
+                  "type": "Identifier",
+                },
+                "loc": undefined,
+                "params": Array [
+                  Node {
+                    "end": 23,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 22,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 21,
+                        "line": 2,
+                      },
+                    },
+                    "name": "n",
+                    "start": 22,
+                    "type": "Identifier",
+                  },
+                ],
+                "type": "FunctionExpression",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 12,
+                  "line": 5,
+                },
+              },
+              "type": "CallExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "arguments": Array [
+                Node {
+                  "end": 1,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 1,
+                      "line": 1,
+                    },
+                    "start": Position {
+                      "column": 0,
+                      "line": 1,
+                    },
+                  },
+                  "raw": "3",
+                  "start": 0,
+                  "type": "Literal",
+                  "value": 3,
+                },
+              ],
+              "callee": Object {
+                "body": Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "alternate": Object {
+                          "left": Node {
+                            "end": 65,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 9,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 8,
+                                "line": 5,
+                              },
+                            },
+                            "name": "n",
+                            "start": 64,
+                            "type": "Identifier",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 26,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 8,
+                              "line": 5,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "arguments": Array [
+                              Object {
+                                "left": Node {
+                                  "end": 79,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 23,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 22,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "name": "n",
+                                  "start": 78,
+                                  "type": "Identifier",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 25,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 22,
+                                    "line": 5,
+                                  },
+                                },
+                                "operator": "-",
+                                "right": Node {
+                                  "end": 81,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 25,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 24,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "raw": "1",
+                                  "start": 80,
+                                  "type": "Literal",
+                                  "value": 1,
+                                },
+                                "type": "BinaryExpression",
+                              },
+                            ],
+                            "callee": [Circular],
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 26,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 12,
+                                "line": 5,
+                              },
+                            },
+                            "type": "CallExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "consequent": Node {
+                          "end": 55,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 9,
+                              "line": 4,
+                            },
+                            "start": Position {
+                              "column": 8,
+                              "line": 4,
+                            },
+                          },
+                          "raw": "1",
+                          "start": 54,
+                          "type": "Literal",
+                          "value": 1,
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 26,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 11,
+                            "line": 3,
+                          },
+                        },
+                        "test": Object {
+                          "left": Node {
+                            "end": 39,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 12,
+                                "line": 3,
+                              },
+                              "start": Position {
+                                "column": 11,
+                                "line": 3,
+                              },
+                            },
+                            "name": "n",
+                            "start": 38,
+                            "type": "Identifier",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 18,
+                              "line": 3,
+                            },
+                            "start": Position {
+                              "column": 11,
+                              "line": 3,
+                            },
+                          },
+                          "operator": "===",
+                          "right": Node {
+                            "end": 45,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 18,
+                                "line": 3,
+                              },
+                              "start": Position {
+                                "column": 17,
+                                "line": 3,
+                              },
+                            },
+                            "raw": "0",
+                            "start": 44,
+                            "type": "Literal",
+                            "value": 0,
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "type": "ConditionalExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 27,
+                          "line": 5,
+                        },
+                        "start": Position {
+                          "column": 4,
+                          "line": 3,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+                "id": Node {
+                  "end": 21,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 20,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 11,
+                      "line": 2,
+                    },
+                  },
+                  "name": "factorial",
+                  "start": 12,
+                  "type": "Identifier",
+                },
+                "loc": undefined,
+                "params": Array [
+                  Node {
+                    "end": 23,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 22,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 21,
+                        "line": 2,
+                      },
+                    },
+                    "name": "n",
+                    "start": 22,
+                    "type": "Identifier",
+                  },
+                ],
+                "type": "FunctionExpression",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 12,
+                  "line": 5,
+                },
+              },
+              "type": "CallExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "alternate": Object {
+                "left": Object {
+                  "loc": undefined,
+                  "type": "Literal",
+                  "value": 3,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 8,
+                    "line": 5,
+                  },
+                },
+                "operator": "*",
+                "right": Object {
+                  "arguments": Array [
+                    Object {
+                      "left": Object {
+                        "loc": undefined,
+                        "type": "Literal",
+                        "value": 3,
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 25,
+                          "line": 5,
+                        },
+                        "start": Position {
+                          "column": 22,
+                          "line": 5,
+                        },
+                      },
+                      "operator": "-",
+                      "right": Node {
+                        "end": 81,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 25,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 24,
+                            "line": 5,
+                          },
+                        },
+                        "raw": "1",
+                        "start": 80,
+                        "type": "Literal",
+                        "value": 1,
+                      },
+                      "type": "BinaryExpression",
+                    },
+                  ],
+                  "callee": Object {
+                    "body": Object {
+                      "body": Array [
+                        Object {
+                          "argument": Object {
+                            "alternate": Object {
+                              "left": Node {
+                                "end": 65,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 9,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 8,
+                                    "line": 5,
+                                  },
+                                },
+                                "name": "n",
+                                "start": 64,
+                                "type": "Identifier",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 26,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 8,
+                                  "line": 5,
+                                },
+                              },
+                              "operator": "*",
+                              "right": Object {
+                                "arguments": Array [
+                                  Object {
+                                    "left": Node {
+                                      "end": 79,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 23,
+                                          "line": 5,
+                                        },
+                                        "start": Position {
+                                          "column": 22,
+                                          "line": 5,
+                                        },
+                                      },
+                                      "name": "n",
+                                      "start": 78,
+                                      "type": "Identifier",
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 25,
+                                        "line": 5,
+                                      },
+                                      "start": Position {
+                                        "column": 22,
+                                        "line": 5,
+                                      },
+                                    },
+                                    "operator": "-",
+                                    "right": Node {
+                                      "end": 81,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 25,
+                                          "line": 5,
+                                        },
+                                        "start": Position {
+                                          "column": 24,
+                                          "line": 5,
+                                        },
+                                      },
+                                      "raw": "1",
+                                      "start": 80,
+                                      "type": "Literal",
+                                      "value": 1,
+                                    },
+                                    "type": "BinaryExpression",
+                                  },
+                                ],
+                                "callee": [Circular],
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 26,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 12,
+                                    "line": 5,
+                                  },
+                                },
+                                "type": "CallExpression",
+                              },
+                              "type": "BinaryExpression",
+                            },
+                            "consequent": Node {
+                              "end": 55,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 9,
+                                  "line": 4,
+                                },
+                                "start": Position {
+                                  "column": 8,
+                                  "line": 4,
+                                },
+                              },
+                              "raw": "1",
+                              "start": 54,
+                              "type": "Literal",
+                              "value": 1,
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 26,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 11,
+                                "line": 3,
+                              },
+                            },
+                            "test": Object {
+                              "left": Node {
+                                "end": 39,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 12,
+                                    "line": 3,
+                                  },
+                                  "start": Position {
+                                    "column": 11,
+                                    "line": 3,
+                                  },
+                                },
+                                "name": "n",
+                                "start": 38,
+                                "type": "Identifier",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 18,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 11,
+                                  "line": 3,
+                                },
+                              },
+                              "operator": "===",
+                              "right": Node {
+                                "end": 45,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 18,
+                                    "line": 3,
+                                  },
+                                  "start": Position {
+                                    "column": 17,
+                                    "line": 3,
+                                  },
+                                },
+                                "raw": "0",
+                                "start": 44,
+                                "type": "Literal",
+                                "value": 0,
+                              },
+                              "type": "BinaryExpression",
+                            },
+                            "type": "ConditionalExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 27,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 4,
+                              "line": 3,
+                            },
+                          },
+                          "type": "ReturnStatement",
+                        },
+                      ],
+                      "type": "BlockStatement",
+                    },
+                    "id": Node {
+                      "end": 21,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 20,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 11,
+                          "line": 2,
+                        },
+                      },
+                      "name": "factorial",
+                      "start": 12,
+                      "type": "Identifier",
+                    },
+                    "loc": undefined,
+                    "params": Array [
+                      Node {
+                        "end": 23,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 22,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 21,
+                            "line": 2,
+                          },
+                        },
+                        "name": "n",
+                        "start": 22,
+                        "type": "Identifier",
+                      },
+                    ],
+                    "type": "FunctionExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 26,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 12,
+                      "line": 5,
+                    },
+                  },
+                  "type": "CallExpression",
+                },
+                "type": "BinaryExpression",
+              },
+              "consequent": Node {
+                "end": 55,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 9,
+                    "line": 4,
+                  },
+                  "start": Position {
+                    "column": 8,
+                    "line": 4,
+                  },
+                },
+                "raw": "1",
+                "start": 54,
+                "type": "Literal",
+                "value": 1,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 11,
+                  "line": 3,
+                },
+              },
+              "test": Object {
+                "left": Object {
+                  "loc": undefined,
+                  "type": "Literal",
+                  "value": 3,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 18,
+                    "line": 3,
+                  },
+                  "start": Position {
+                    "column": 11,
+                    "line": 3,
+                  },
+                },
+                "operator": "===",
+                "right": Node {
+                  "end": 45,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 18,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 17,
+                      "line": 3,
+                    },
+                  },
+                  "raw": "0",
+                  "start": 44,
+                  "type": "Literal",
+                  "value": 0,
+                },
+                "type": "BinaryExpression",
+              },
+              "type": "ConditionalExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "alternate": Object {
+                "left": Object {
+                  "loc": undefined,
+                  "type": "Literal",
+                  "value": 3,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 8,
+                    "line": 5,
+                  },
+                },
+                "operator": "*",
+                "right": Object {
+                  "arguments": Array [
+                    Object {
+                      "left": Object {
+                        "loc": undefined,
+                        "type": "Literal",
+                        "value": 3,
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 25,
+                          "line": 5,
+                        },
+                        "start": Position {
+                          "column": 22,
+                          "line": 5,
+                        },
+                      },
+                      "operator": "-",
+                      "right": Node {
+                        "end": 81,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 25,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 24,
+                            "line": 5,
+                          },
+                        },
+                        "raw": "1",
+                        "start": 80,
+                        "type": "Literal",
+                        "value": 1,
+                      },
+                      "type": "BinaryExpression",
+                    },
+                  ],
+                  "callee": Object {
+                    "body": Object {
+                      "body": Array [
+                        Object {
+                          "argument": Object {
+                            "alternate": Object {
+                              "left": Node {
+                                "end": 65,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 9,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 8,
+                                    "line": 5,
+                                  },
+                                },
+                                "name": "n",
+                                "start": 64,
+                                "type": "Identifier",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 26,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 8,
+                                  "line": 5,
+                                },
+                              },
+                              "operator": "*",
+                              "right": Object {
+                                "arguments": Array [
+                                  Object {
+                                    "left": Node {
+                                      "end": 79,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 23,
+                                          "line": 5,
+                                        },
+                                        "start": Position {
+                                          "column": 22,
+                                          "line": 5,
+                                        },
+                                      },
+                                      "name": "n",
+                                      "start": 78,
+                                      "type": "Identifier",
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 25,
+                                        "line": 5,
+                                      },
+                                      "start": Position {
+                                        "column": 22,
+                                        "line": 5,
+                                      },
+                                    },
+                                    "operator": "-",
+                                    "right": Node {
+                                      "end": 81,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 25,
+                                          "line": 5,
+                                        },
+                                        "start": Position {
+                                          "column": 24,
+                                          "line": 5,
+                                        },
+                                      },
+                                      "raw": "1",
+                                      "start": 80,
+                                      "type": "Literal",
+                                      "value": 1,
+                                    },
+                                    "type": "BinaryExpression",
+                                  },
+                                ],
+                                "callee": [Circular],
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 26,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 12,
+                                    "line": 5,
+                                  },
+                                },
+                                "type": "CallExpression",
+                              },
+                              "type": "BinaryExpression",
+                            },
+                            "consequent": Node {
+                              "end": 55,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 9,
+                                  "line": 4,
+                                },
+                                "start": Position {
+                                  "column": 8,
+                                  "line": 4,
+                                },
+                              },
+                              "raw": "1",
+                              "start": 54,
+                              "type": "Literal",
+                              "value": 1,
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 26,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 11,
+                                "line": 3,
+                              },
+                            },
+                            "test": Object {
+                              "left": Node {
+                                "end": 39,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 12,
+                                    "line": 3,
+                                  },
+                                  "start": Position {
+                                    "column": 11,
+                                    "line": 3,
+                                  },
+                                },
+                                "name": "n",
+                                "start": 38,
+                                "type": "Identifier",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 18,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 11,
+                                  "line": 3,
+                                },
+                              },
+                              "operator": "===",
+                              "right": Node {
+                                "end": 45,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 18,
+                                    "line": 3,
+                                  },
+                                  "start": Position {
+                                    "column": 17,
+                                    "line": 3,
+                                  },
+                                },
+                                "raw": "0",
+                                "start": 44,
+                                "type": "Literal",
+                                "value": 0,
+                              },
+                              "type": "BinaryExpression",
+                            },
+                            "type": "ConditionalExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 27,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 4,
+                              "line": 3,
+                            },
+                          },
+                          "type": "ReturnStatement",
+                        },
+                      ],
+                      "type": "BlockStatement",
+                    },
+                    "id": Node {
+                      "end": 21,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 20,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 11,
+                          "line": 2,
+                        },
+                      },
+                      "name": "factorial",
+                      "start": 12,
+                      "type": "Identifier",
+                    },
+                    "loc": undefined,
+                    "params": Array [
+                      Node {
+                        "end": 23,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 22,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 21,
+                            "line": 2,
+                          },
+                        },
+                        "name": "n",
+                        "start": 22,
+                        "type": "Identifier",
+                      },
+                    ],
+                    "type": "FunctionExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 26,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 12,
+                      "line": 5,
+                    },
+                  },
+                  "type": "CallExpression",
+                },
+                "type": "BinaryExpression",
+              },
+              "consequent": Node {
+                "end": 55,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 9,
+                    "line": 4,
+                  },
+                  "start": Position {
+                    "column": 8,
+                    "line": 4,
+                  },
+                },
+                "raw": "1",
+                "start": 54,
+                "type": "Literal",
+                "value": 1,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 11,
+                  "line": 3,
+                },
+              },
+              "test": Node {
+                "end": 5,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 5,
+                    "line": 1,
+                  },
+                  "start": Position {
+                    "column": 0,
+                    "line": 1,
+                  },
+                },
+                "raw": "false",
+                "start": 0,
+                "type": "Literal",
+                "value": false,
+              },
+              "type": "ConditionalExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "left": Object {
+                "loc": undefined,
+                "type": "Literal",
+                "value": 3,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 5,
+                },
+              },
+              "operator": "*",
+              "right": Object {
+                "arguments": Array [
+                  Object {
+                    "left": Object {
+                      "loc": undefined,
+                      "type": "Literal",
+                      "value": 3,
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 25,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 22,
+                        "line": 5,
+                      },
+                    },
+                    "operator": "-",
+                    "right": Node {
+                      "end": 81,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 25,
+                          "line": 5,
+                        },
+                        "start": Position {
+                          "column": 24,
+                          "line": 5,
+                        },
+                      },
+                      "raw": "1",
+                      "start": 80,
+                      "type": "Literal",
+                      "value": 1,
+                    },
+                    "type": "BinaryExpression",
+                  },
+                ],
+                "callee": Object {
+                  "body": Object {
+                    "body": Array [
+                      Object {
+                        "argument": Object {
+                          "alternate": Object {
+                            "left": Node {
+                              "end": 65,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 9,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 8,
+                                  "line": 5,
+                                },
+                              },
+                              "name": "n",
+                              "start": 64,
+                              "type": "Identifier",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 26,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 8,
+                                "line": 5,
+                              },
+                            },
+                            "operator": "*",
+                            "right": Object {
+                              "arguments": Array [
+                                Object {
+                                  "left": Node {
+                                    "end": 79,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 23,
+                                        "line": 5,
+                                      },
+                                      "start": Position {
+                                        "column": 22,
+                                        "line": 5,
+                                      },
+                                    },
+                                    "name": "n",
+                                    "start": 78,
+                                    "type": "Identifier",
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 25,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 22,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "operator": "-",
+                                  "right": Node {
+                                    "end": 81,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 25,
+                                        "line": 5,
+                                      },
+                                      "start": Position {
+                                        "column": 24,
+                                        "line": 5,
+                                      },
+                                    },
+                                    "raw": "1",
+                                    "start": 80,
+                                    "type": "Literal",
+                                    "value": 1,
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                              ],
+                              "callee": [Circular],
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 26,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 12,
+                                  "line": 5,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "consequent": Node {
+                            "end": 55,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 9,
+                                "line": 4,
+                              },
+                              "start": Position {
+                                "column": 8,
+                                "line": 4,
+                              },
+                            },
+                            "raw": "1",
+                            "start": 54,
+                            "type": "Literal",
+                            "value": 1,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 26,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 11,
+                              "line": 3,
+                            },
+                          },
+                          "test": Object {
+                            "left": Node {
+                              "end": 39,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 12,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 11,
+                                  "line": 3,
+                                },
+                              },
+                              "name": "n",
+                              "start": 38,
+                              "type": "Identifier",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 18,
+                                "line": 3,
+                              },
+                              "start": Position {
+                                "column": 11,
+                                "line": 3,
+                              },
+                            },
+                            "operator": "===",
+                            "right": Node {
+                              "end": 45,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 18,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 17,
+                                  "line": 3,
+                                },
+                              },
+                              "raw": "0",
+                              "start": 44,
+                              "type": "Literal",
+                              "value": 0,
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "type": "ConditionalExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 27,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 4,
+                            "line": 3,
+                          },
+                        },
+                        "type": "ReturnStatement",
+                      },
+                    ],
+                    "type": "BlockStatement",
+                  },
+                  "id": Node {
+                    "end": 21,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 20,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 2,
+                      },
+                    },
+                    "name": "factorial",
+                    "start": 12,
+                    "type": "Identifier",
+                  },
+                  "loc": undefined,
+                  "params": Array [
+                    Node {
+                      "end": 23,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 22,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 21,
+                          "line": 2,
+                        },
+                      },
+                      "name": "n",
+                      "start": 22,
+                      "type": "Identifier",
+                    },
+                  ],
+                  "type": "FunctionExpression",
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 12,
+                    "line": 5,
+                  },
+                },
+                "type": "CallExpression",
+              },
+              "type": "BinaryExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "left": Object {
+                "loc": undefined,
+                "type": "Literal",
+                "value": 3,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 5,
+                },
+              },
+              "operator": "*",
+              "right": Object {
+                "arguments": Array [
+                  Node {
+                    "end": 1,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 1,
+                        "line": 1,
+                      },
+                      "start": Position {
+                        "column": 0,
+                        "line": 1,
+                      },
+                    },
+                    "raw": "2",
+                    "start": 0,
+                    "type": "Literal",
+                    "value": 2,
+                  },
+                ],
+                "callee": Object {
+                  "body": Object {
+                    "body": Array [
+                      Object {
+                        "argument": Object {
+                          "alternate": Object {
+                            "left": Node {
+                              "end": 65,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 9,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 8,
+                                  "line": 5,
+                                },
+                              },
+                              "name": "n",
+                              "start": 64,
+                              "type": "Identifier",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 26,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 8,
+                                "line": 5,
+                              },
+                            },
+                            "operator": "*",
+                            "right": Object {
+                              "arguments": Array [
+                                Object {
+                                  "left": Node {
+                                    "end": 79,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 23,
+                                        "line": 5,
+                                      },
+                                      "start": Position {
+                                        "column": 22,
+                                        "line": 5,
+                                      },
+                                    },
+                                    "name": "n",
+                                    "start": 78,
+                                    "type": "Identifier",
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 25,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 22,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "operator": "-",
+                                  "right": Node {
+                                    "end": 81,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 25,
+                                        "line": 5,
+                                      },
+                                      "start": Position {
+                                        "column": 24,
+                                        "line": 5,
+                                      },
+                                    },
+                                    "raw": "1",
+                                    "start": 80,
+                                    "type": "Literal",
+                                    "value": 1,
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                              ],
+                              "callee": [Circular],
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 26,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 12,
+                                  "line": 5,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "consequent": Node {
+                            "end": 55,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 9,
+                                "line": 4,
+                              },
+                              "start": Position {
+                                "column": 8,
+                                "line": 4,
+                              },
+                            },
+                            "raw": "1",
+                            "start": 54,
+                            "type": "Literal",
+                            "value": 1,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 26,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 11,
+                              "line": 3,
+                            },
+                          },
+                          "test": Object {
+                            "left": Node {
+                              "end": 39,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 12,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 11,
+                                  "line": 3,
+                                },
+                              },
+                              "name": "n",
+                              "start": 38,
+                              "type": "Identifier",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 18,
+                                "line": 3,
+                              },
+                              "start": Position {
+                                "column": 11,
+                                "line": 3,
+                              },
+                            },
+                            "operator": "===",
+                            "right": Node {
+                              "end": 45,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 18,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 17,
+                                  "line": 3,
+                                },
+                              },
+                              "raw": "0",
+                              "start": 44,
+                              "type": "Literal",
+                              "value": 0,
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "type": "ConditionalExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 27,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 4,
+                            "line": 3,
+                          },
+                        },
+                        "type": "ReturnStatement",
+                      },
+                    ],
+                    "type": "BlockStatement",
+                  },
+                  "id": Node {
+                    "end": 21,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 20,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 2,
+                      },
+                    },
+                    "name": "factorial",
+                    "start": 12,
+                    "type": "Identifier",
+                  },
+                  "loc": undefined,
+                  "params": Array [
+                    Node {
+                      "end": 23,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 22,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 21,
+                          "line": 2,
+                        },
+                      },
+                      "name": "n",
+                      "start": 22,
+                      "type": "Identifier",
+                    },
+                  ],
+                  "type": "FunctionExpression",
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 12,
+                    "line": 5,
+                  },
+                },
+                "type": "CallExpression",
+              },
+              "type": "BinaryExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "left": Object {
+                "loc": undefined,
+                "type": "Literal",
+                "value": 3,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 5,
+                },
+              },
+              "operator": "*",
+              "right": Object {
+                "alternate": Object {
+                  "left": Object {
+                    "loc": undefined,
+                    "type": "Literal",
+                    "value": 2,
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 26,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 8,
+                      "line": 5,
+                    },
+                  },
+                  "operator": "*",
+                  "right": Object {
+                    "arguments": Array [
+                      Object {
+                        "left": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 2,
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 25,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 22,
+                            "line": 5,
+                          },
+                        },
+                        "operator": "-",
+                        "right": Node {
+                          "end": 81,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 25,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 24,
+                              "line": 5,
+                            },
+                          },
+                          "raw": "1",
+                          "start": 80,
+                          "type": "Literal",
+                          "value": 1,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                    ],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "alternate": Object {
+                                "left": Node {
+                                  "end": 65,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 9,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 8,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "name": "n",
+                                  "start": 64,
+                                  "type": "Identifier",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 26,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 8,
+                                    "line": 5,
+                                  },
+                                },
+                                "operator": "*",
+                                "right": Object {
+                                  "arguments": Array [
+                                    Object {
+                                      "left": Node {
+                                        "end": 79,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 23,
+                                            "line": 5,
+                                          },
+                                          "start": Position {
+                                            "column": 22,
+                                            "line": 5,
+                                          },
+                                        },
+                                        "name": "n",
+                                        "start": 78,
+                                        "type": "Identifier",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 25,
+                                          "line": 5,
+                                        },
+                                        "start": Position {
+                                          "column": 22,
+                                          "line": 5,
+                                        },
+                                      },
+                                      "operator": "-",
+                                      "right": Node {
+                                        "end": 81,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 25,
+                                            "line": 5,
+                                          },
+                                          "start": Position {
+                                            "column": 24,
+                                            "line": 5,
+                                          },
+                                        },
+                                        "raw": "1",
+                                        "start": 80,
+                                        "type": "Literal",
+                                        "value": 1,
+                                      },
+                                      "type": "BinaryExpression",
+                                    },
+                                  ],
+                                  "callee": [Circular],
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 26,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 12,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "type": "CallExpression",
+                                },
+                                "type": "BinaryExpression",
+                              },
+                              "consequent": Node {
+                                "end": 55,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 9,
+                                    "line": 4,
+                                  },
+                                  "start": Position {
+                                    "column": 8,
+                                    "line": 4,
+                                  },
+                                },
+                                "raw": "1",
+                                "start": 54,
+                                "type": "Literal",
+                                "value": 1,
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 26,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 11,
+                                  "line": 3,
+                                },
+                              },
+                              "test": Object {
+                                "left": Node {
+                                  "end": 39,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 12,
+                                      "line": 3,
+                                    },
+                                    "start": Position {
+                                      "column": 11,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "name": "n",
+                                  "start": 38,
+                                  "type": "Identifier",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 18,
+                                    "line": 3,
+                                  },
+                                  "start": Position {
+                                    "column": 11,
+                                    "line": 3,
+                                  },
+                                },
+                                "operator": "===",
+                                "right": Node {
+                                  "end": 45,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 18,
+                                      "line": 3,
+                                    },
+                                    "start": Position {
+                                      "column": 17,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "raw": "0",
+                                  "start": 44,
+                                  "type": "Literal",
+                                  "value": 0,
+                                },
+                                "type": "BinaryExpression",
+                              },
+                              "type": "ConditionalExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 27,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 4,
+                                "line": 3,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 21,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 20,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 11,
+                            "line": 2,
+                          },
+                        },
+                        "name": "factorial",
+                        "start": 12,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [
+                        Node {
+                          "end": 23,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 22,
+                              "line": 2,
+                            },
+                            "start": Position {
+                              "column": 21,
+                              "line": 2,
+                            },
+                          },
+                          "name": "n",
+                          "start": 22,
+                          "type": "Identifier",
+                        },
+                      ],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 26,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 12,
+                        "line": 5,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "type": "BinaryExpression",
+                },
+                "consequent": Node {
+                  "end": 55,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 9,
+                      "line": 4,
+                    },
+                    "start": Position {
+                      "column": 8,
+                      "line": 4,
+                    },
+                  },
+                  "raw": "1",
+                  "start": 54,
+                  "type": "Literal",
+                  "value": 1,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 11,
+                    "line": 3,
+                  },
+                },
+                "test": Object {
+                  "left": Object {
+                    "loc": undefined,
+                    "type": "Literal",
+                    "value": 2,
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 18,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 11,
+                      "line": 3,
+                    },
+                  },
+                  "operator": "===",
+                  "right": Node {
+                    "end": 45,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 18,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 17,
+                        "line": 3,
+                      },
+                    },
+                    "raw": "0",
+                    "start": 44,
+                    "type": "Literal",
+                    "value": 0,
+                  },
+                  "type": "BinaryExpression",
+                },
+                "type": "ConditionalExpression",
+              },
+              "type": "BinaryExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "left": Object {
+                "loc": undefined,
+                "type": "Literal",
+                "value": 3,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 5,
+                },
+              },
+              "operator": "*",
+              "right": Object {
+                "alternate": Object {
+                  "left": Object {
+                    "loc": undefined,
+                    "type": "Literal",
+                    "value": 2,
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 26,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 8,
+                      "line": 5,
+                    },
+                  },
+                  "operator": "*",
+                  "right": Object {
+                    "arguments": Array [
+                      Object {
+                        "left": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 2,
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 25,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 22,
+                            "line": 5,
+                          },
+                        },
+                        "operator": "-",
+                        "right": Node {
+                          "end": 81,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 25,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 24,
+                              "line": 5,
+                            },
+                          },
+                          "raw": "1",
+                          "start": 80,
+                          "type": "Literal",
+                          "value": 1,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                    ],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "alternate": Object {
+                                "left": Node {
+                                  "end": 65,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 9,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 8,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "name": "n",
+                                  "start": 64,
+                                  "type": "Identifier",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 26,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 8,
+                                    "line": 5,
+                                  },
+                                },
+                                "operator": "*",
+                                "right": Object {
+                                  "arguments": Array [
+                                    Object {
+                                      "left": Node {
+                                        "end": 79,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 23,
+                                            "line": 5,
+                                          },
+                                          "start": Position {
+                                            "column": 22,
+                                            "line": 5,
+                                          },
+                                        },
+                                        "name": "n",
+                                        "start": 78,
+                                        "type": "Identifier",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 25,
+                                          "line": 5,
+                                        },
+                                        "start": Position {
+                                          "column": 22,
+                                          "line": 5,
+                                        },
+                                      },
+                                      "operator": "-",
+                                      "right": Node {
+                                        "end": 81,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 25,
+                                            "line": 5,
+                                          },
+                                          "start": Position {
+                                            "column": 24,
+                                            "line": 5,
+                                          },
+                                        },
+                                        "raw": "1",
+                                        "start": 80,
+                                        "type": "Literal",
+                                        "value": 1,
+                                      },
+                                      "type": "BinaryExpression",
+                                    },
+                                  ],
+                                  "callee": [Circular],
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 26,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 12,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "type": "CallExpression",
+                                },
+                                "type": "BinaryExpression",
+                              },
+                              "consequent": Node {
+                                "end": 55,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 9,
+                                    "line": 4,
+                                  },
+                                  "start": Position {
+                                    "column": 8,
+                                    "line": 4,
+                                  },
+                                },
+                                "raw": "1",
+                                "start": 54,
+                                "type": "Literal",
+                                "value": 1,
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 26,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 11,
+                                  "line": 3,
+                                },
+                              },
+                              "test": Object {
+                                "left": Node {
+                                  "end": 39,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 12,
+                                      "line": 3,
+                                    },
+                                    "start": Position {
+                                      "column": 11,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "name": "n",
+                                  "start": 38,
+                                  "type": "Identifier",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 18,
+                                    "line": 3,
+                                  },
+                                  "start": Position {
+                                    "column": 11,
+                                    "line": 3,
+                                  },
+                                },
+                                "operator": "===",
+                                "right": Node {
+                                  "end": 45,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 18,
+                                      "line": 3,
+                                    },
+                                    "start": Position {
+                                      "column": 17,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "raw": "0",
+                                  "start": 44,
+                                  "type": "Literal",
+                                  "value": 0,
+                                },
+                                "type": "BinaryExpression",
+                              },
+                              "type": "ConditionalExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 27,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 4,
+                                "line": 3,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 21,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 20,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 11,
+                            "line": 2,
+                          },
+                        },
+                        "name": "factorial",
+                        "start": 12,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [
+                        Node {
+                          "end": 23,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 22,
+                              "line": 2,
+                            },
+                            "start": Position {
+                              "column": 21,
+                              "line": 2,
+                            },
+                          },
+                          "name": "n",
+                          "start": 22,
+                          "type": "Identifier",
+                        },
+                      ],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 26,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 12,
+                        "line": 5,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "type": "BinaryExpression",
+                },
+                "consequent": Node {
+                  "end": 55,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 9,
+                      "line": 4,
+                    },
+                    "start": Position {
+                      "column": 8,
+                      "line": 4,
+                    },
+                  },
+                  "raw": "1",
+                  "start": 54,
+                  "type": "Literal",
+                  "value": 1,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 11,
+                    "line": 3,
+                  },
+                },
+                "test": Node {
+                  "end": 5,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 5,
+                      "line": 1,
+                    },
+                    "start": Position {
+                      "column": 0,
+                      "line": 1,
+                    },
+                  },
+                  "raw": "false",
+                  "start": 0,
+                  "type": "Literal",
+                  "value": false,
+                },
+                "type": "ConditionalExpression",
+              },
+              "type": "BinaryExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "left": Object {
+                "loc": undefined,
+                "type": "Literal",
+                "value": 3,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 5,
+                },
+              },
+              "operator": "*",
+              "right": Object {
+                "left": Object {
+                  "loc": undefined,
+                  "type": "Literal",
+                  "value": 2,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 8,
+                    "line": 5,
+                  },
+                },
+                "operator": "*",
+                "right": Object {
+                  "arguments": Array [
+                    Object {
+                      "left": Object {
+                        "loc": undefined,
+                        "type": "Literal",
+                        "value": 2,
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 25,
+                          "line": 5,
+                        },
+                        "start": Position {
+                          "column": 22,
+                          "line": 5,
+                        },
+                      },
+                      "operator": "-",
+                      "right": Node {
+                        "end": 81,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 25,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 24,
+                            "line": 5,
+                          },
+                        },
+                        "raw": "1",
+                        "start": 80,
+                        "type": "Literal",
+                        "value": 1,
+                      },
+                      "type": "BinaryExpression",
+                    },
+                  ],
+                  "callee": Object {
+                    "body": Object {
+                      "body": Array [
+                        Object {
+                          "argument": Object {
+                            "alternate": Object {
+                              "left": Node {
+                                "end": 65,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 9,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 8,
+                                    "line": 5,
+                                  },
+                                },
+                                "name": "n",
+                                "start": 64,
+                                "type": "Identifier",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 26,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 8,
+                                  "line": 5,
+                                },
+                              },
+                              "operator": "*",
+                              "right": Object {
+                                "arguments": Array [
+                                  Object {
+                                    "left": Node {
+                                      "end": 79,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 23,
+                                          "line": 5,
+                                        },
+                                        "start": Position {
+                                          "column": 22,
+                                          "line": 5,
+                                        },
+                                      },
+                                      "name": "n",
+                                      "start": 78,
+                                      "type": "Identifier",
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 25,
+                                        "line": 5,
+                                      },
+                                      "start": Position {
+                                        "column": 22,
+                                        "line": 5,
+                                      },
+                                    },
+                                    "operator": "-",
+                                    "right": Node {
+                                      "end": 81,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 25,
+                                          "line": 5,
+                                        },
+                                        "start": Position {
+                                          "column": 24,
+                                          "line": 5,
+                                        },
+                                      },
+                                      "raw": "1",
+                                      "start": 80,
+                                      "type": "Literal",
+                                      "value": 1,
+                                    },
+                                    "type": "BinaryExpression",
+                                  },
+                                ],
+                                "callee": [Circular],
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 26,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 12,
+                                    "line": 5,
+                                  },
+                                },
+                                "type": "CallExpression",
+                              },
+                              "type": "BinaryExpression",
+                            },
+                            "consequent": Node {
+                              "end": 55,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 9,
+                                  "line": 4,
+                                },
+                                "start": Position {
+                                  "column": 8,
+                                  "line": 4,
+                                },
+                              },
+                              "raw": "1",
+                              "start": 54,
+                              "type": "Literal",
+                              "value": 1,
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 26,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 11,
+                                "line": 3,
+                              },
+                            },
+                            "test": Object {
+                              "left": Node {
+                                "end": 39,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 12,
+                                    "line": 3,
+                                  },
+                                  "start": Position {
+                                    "column": 11,
+                                    "line": 3,
+                                  },
+                                },
+                                "name": "n",
+                                "start": 38,
+                                "type": "Identifier",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 18,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 11,
+                                  "line": 3,
+                                },
+                              },
+                              "operator": "===",
+                              "right": Node {
+                                "end": 45,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 18,
+                                    "line": 3,
+                                  },
+                                  "start": Position {
+                                    "column": 17,
+                                    "line": 3,
+                                  },
+                                },
+                                "raw": "0",
+                                "start": 44,
+                                "type": "Literal",
+                                "value": 0,
+                              },
+                              "type": "BinaryExpression",
+                            },
+                            "type": "ConditionalExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 27,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 4,
+                              "line": 3,
+                            },
+                          },
+                          "type": "ReturnStatement",
+                        },
+                      ],
+                      "type": "BlockStatement",
+                    },
+                    "id": Node {
+                      "end": 21,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 20,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 11,
+                          "line": 2,
+                        },
+                      },
+                      "name": "factorial",
+                      "start": 12,
+                      "type": "Identifier",
+                    },
+                    "loc": undefined,
+                    "params": Array [
+                      Node {
+                        "end": 23,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 22,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 21,
+                            "line": 2,
+                          },
+                        },
+                        "name": "n",
+                        "start": 22,
+                        "type": "Identifier",
+                      },
+                    ],
+                    "type": "FunctionExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 26,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 12,
+                      "line": 5,
+                    },
+                  },
+                  "type": "CallExpression",
+                },
+                "type": "BinaryExpression",
+              },
+              "type": "BinaryExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "left": Object {
+                "loc": undefined,
+                "type": "Literal",
+                "value": 3,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 5,
+                },
+              },
+              "operator": "*",
+              "right": Object {
+                "left": Object {
+                  "loc": undefined,
+                  "type": "Literal",
+                  "value": 2,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 8,
+                    "line": 5,
+                  },
+                },
+                "operator": "*",
+                "right": Object {
+                  "arguments": Array [
+                    Node {
+                      "end": 1,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 1,
+                          "line": 1,
+                        },
+                        "start": Position {
+                          "column": 0,
+                          "line": 1,
+                        },
+                      },
+                      "raw": "1",
+                      "start": 0,
+                      "type": "Literal",
+                      "value": 1,
+                    },
+                  ],
+                  "callee": Object {
+                    "body": Object {
+                      "body": Array [
+                        Object {
+                          "argument": Object {
+                            "alternate": Object {
+                              "left": Node {
+                                "end": 65,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 9,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 8,
+                                    "line": 5,
+                                  },
+                                },
+                                "name": "n",
+                                "start": 64,
+                                "type": "Identifier",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 26,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 8,
+                                  "line": 5,
+                                },
+                              },
+                              "operator": "*",
+                              "right": Object {
+                                "arguments": Array [
+                                  Object {
+                                    "left": Node {
+                                      "end": 79,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 23,
+                                          "line": 5,
+                                        },
+                                        "start": Position {
+                                          "column": 22,
+                                          "line": 5,
+                                        },
+                                      },
+                                      "name": "n",
+                                      "start": 78,
+                                      "type": "Identifier",
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 25,
+                                        "line": 5,
+                                      },
+                                      "start": Position {
+                                        "column": 22,
+                                        "line": 5,
+                                      },
+                                    },
+                                    "operator": "-",
+                                    "right": Node {
+                                      "end": 81,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 25,
+                                          "line": 5,
+                                        },
+                                        "start": Position {
+                                          "column": 24,
+                                          "line": 5,
+                                        },
+                                      },
+                                      "raw": "1",
+                                      "start": 80,
+                                      "type": "Literal",
+                                      "value": 1,
+                                    },
+                                    "type": "BinaryExpression",
+                                  },
+                                ],
+                                "callee": [Circular],
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 26,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 12,
+                                    "line": 5,
+                                  },
+                                },
+                                "type": "CallExpression",
+                              },
+                              "type": "BinaryExpression",
+                            },
+                            "consequent": Node {
+                              "end": 55,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 9,
+                                  "line": 4,
+                                },
+                                "start": Position {
+                                  "column": 8,
+                                  "line": 4,
+                                },
+                              },
+                              "raw": "1",
+                              "start": 54,
+                              "type": "Literal",
+                              "value": 1,
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 26,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 11,
+                                "line": 3,
+                              },
+                            },
+                            "test": Object {
+                              "left": Node {
+                                "end": 39,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 12,
+                                    "line": 3,
+                                  },
+                                  "start": Position {
+                                    "column": 11,
+                                    "line": 3,
+                                  },
+                                },
+                                "name": "n",
+                                "start": 38,
+                                "type": "Identifier",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 18,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 11,
+                                  "line": 3,
+                                },
+                              },
+                              "operator": "===",
+                              "right": Node {
+                                "end": 45,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 18,
+                                    "line": 3,
+                                  },
+                                  "start": Position {
+                                    "column": 17,
+                                    "line": 3,
+                                  },
+                                },
+                                "raw": "0",
+                                "start": 44,
+                                "type": "Literal",
+                                "value": 0,
+                              },
+                              "type": "BinaryExpression",
+                            },
+                            "type": "ConditionalExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 27,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 4,
+                              "line": 3,
+                            },
+                          },
+                          "type": "ReturnStatement",
+                        },
+                      ],
+                      "type": "BlockStatement",
+                    },
+                    "id": Node {
+                      "end": 21,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 20,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 11,
+                          "line": 2,
+                        },
+                      },
+                      "name": "factorial",
+                      "start": 12,
+                      "type": "Identifier",
+                    },
+                    "loc": undefined,
+                    "params": Array [
+                      Node {
+                        "end": 23,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 22,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 21,
+                            "line": 2,
+                          },
+                        },
+                        "name": "n",
+                        "start": 22,
+                        "type": "Identifier",
+                      },
+                    ],
+                    "type": "FunctionExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 26,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 12,
+                      "line": 5,
+                    },
+                  },
+                  "type": "CallExpression",
+                },
+                "type": "BinaryExpression",
+              },
+              "type": "BinaryExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "left": Object {
+                "loc": undefined,
+                "type": "Literal",
+                "value": 3,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 5,
+                },
+              },
+              "operator": "*",
+              "right": Object {
+                "left": Object {
+                  "loc": undefined,
+                  "type": "Literal",
+                  "value": 2,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 8,
+                    "line": 5,
+                  },
+                },
+                "operator": "*",
+                "right": Object {
+                  "alternate": Object {
+                    "left": Object {
+                      "loc": undefined,
+                      "type": "Literal",
+                      "value": 1,
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 26,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 8,
+                        "line": 5,
+                      },
+                    },
+                    "operator": "*",
+                    "right": Object {
+                      "arguments": Array [
+                        Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 1,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 25,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 22,
+                              "line": 5,
+                            },
+                          },
+                          "operator": "-",
+                          "right": Node {
+                            "end": 81,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 25,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 24,
+                                "line": 5,
+                              },
+                            },
+                            "raw": "1",
+                            "start": 80,
+                            "type": "Literal",
+                            "value": 1,
+                          },
+                          "type": "BinaryExpression",
+                        },
+                      ],
+                      "callee": Object {
+                        "body": Object {
+                          "body": Array [
+                            Object {
+                              "argument": Object {
+                                "alternate": Object {
+                                  "left": Node {
+                                    "end": 65,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 9,
+                                        "line": 5,
+                                      },
+                                      "start": Position {
+                                        "column": 8,
+                                        "line": 5,
+                                      },
+                                    },
+                                    "name": "n",
+                                    "start": 64,
+                                    "type": "Identifier",
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 26,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 8,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "operator": "*",
+                                  "right": Object {
+                                    "arguments": Array [
+                                      Object {
+                                        "left": Node {
+                                          "end": 79,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 23,
+                                              "line": 5,
+                                            },
+                                            "start": Position {
+                                              "column": 22,
+                                              "line": 5,
+                                            },
+                                          },
+                                          "name": "n",
+                                          "start": 78,
+                                          "type": "Identifier",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 25,
+                                            "line": 5,
+                                          },
+                                          "start": Position {
+                                            "column": 22,
+                                            "line": 5,
+                                          },
+                                        },
+                                        "operator": "-",
+                                        "right": Node {
+                                          "end": 81,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 25,
+                                              "line": 5,
+                                            },
+                                            "start": Position {
+                                              "column": 24,
+                                              "line": 5,
+                                            },
+                                          },
+                                          "raw": "1",
+                                          "start": 80,
+                                          "type": "Literal",
+                                          "value": 1,
+                                        },
+                                        "type": "BinaryExpression",
+                                      },
+                                    ],
+                                    "callee": [Circular],
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 26,
+                                        "line": 5,
+                                      },
+                                      "start": Position {
+                                        "column": 12,
+                                        "line": 5,
+                                      },
+                                    },
+                                    "type": "CallExpression",
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                                "consequent": Node {
+                                  "end": 55,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 9,
+                                      "line": 4,
+                                    },
+                                    "start": Position {
+                                      "column": 8,
+                                      "line": 4,
+                                    },
+                                  },
+                                  "raw": "1",
+                                  "start": 54,
+                                  "type": "Literal",
+                                  "value": 1,
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 26,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 11,
+                                    "line": 3,
+                                  },
+                                },
+                                "test": Object {
+                                  "left": Node {
+                                    "end": 39,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 12,
+                                        "line": 3,
+                                      },
+                                      "start": Position {
+                                        "column": 11,
+                                        "line": 3,
+                                      },
+                                    },
+                                    "name": "n",
+                                    "start": 38,
+                                    "type": "Identifier",
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 18,
+                                      "line": 3,
+                                    },
+                                    "start": Position {
+                                      "column": 11,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "operator": "===",
+                                  "right": Node {
+                                    "end": 45,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 18,
+                                        "line": 3,
+                                      },
+                                      "start": Position {
+                                        "column": 17,
+                                        "line": 3,
+                                      },
+                                    },
+                                    "raw": "0",
+                                    "start": 44,
+                                    "type": "Literal",
+                                    "value": 0,
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                                "type": "ConditionalExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 27,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 4,
+                                  "line": 3,
+                                },
+                              },
+                              "type": "ReturnStatement",
+                            },
+                          ],
+                          "type": "BlockStatement",
+                        },
+                        "id": Node {
+                          "end": 21,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 20,
+                              "line": 2,
+                            },
+                            "start": Position {
+                              "column": 11,
+                              "line": 2,
+                            },
+                          },
+                          "name": "factorial",
+                          "start": 12,
+                          "type": "Identifier",
+                        },
+                        "loc": undefined,
+                        "params": Array [
+                          Node {
+                            "end": 23,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 22,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 21,
+                                "line": 2,
+                              },
+                            },
+                            "name": "n",
+                            "start": 22,
+                            "type": "Identifier",
+                          },
+                        ],
+                        "type": "FunctionExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 26,
+                          "line": 5,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 5,
+                        },
+                      },
+                      "type": "CallExpression",
+                    },
+                    "type": "BinaryExpression",
+                  },
+                  "consequent": Node {
+                    "end": 55,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 9,
+                        "line": 4,
+                      },
+                      "start": Position {
+                        "column": 8,
+                        "line": 4,
+                      },
+                    },
+                    "raw": "1",
+                    "start": 54,
+                    "type": "Literal",
+                    "value": 1,
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 26,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 11,
+                      "line": 3,
+                    },
+                  },
+                  "test": Object {
+                    "left": Object {
+                      "loc": undefined,
+                      "type": "Literal",
+                      "value": 1,
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 18,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 3,
+                      },
+                    },
+                    "operator": "===",
+                    "right": Node {
+                      "end": 45,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 18,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 17,
+                          "line": 3,
+                        },
+                      },
+                      "raw": "0",
+                      "start": 44,
+                      "type": "Literal",
+                      "value": 0,
+                    },
+                    "type": "BinaryExpression",
+                  },
+                  "type": "ConditionalExpression",
+                },
+                "type": "BinaryExpression",
+              },
+              "type": "BinaryExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "left": Object {
+                "loc": undefined,
+                "type": "Literal",
+                "value": 3,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 5,
+                },
+              },
+              "operator": "*",
+              "right": Object {
+                "left": Object {
+                  "loc": undefined,
+                  "type": "Literal",
+                  "value": 2,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 8,
+                    "line": 5,
+                  },
+                },
+                "operator": "*",
+                "right": Object {
+                  "alternate": Object {
+                    "left": Object {
+                      "loc": undefined,
+                      "type": "Literal",
+                      "value": 1,
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 26,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 8,
+                        "line": 5,
+                      },
+                    },
+                    "operator": "*",
+                    "right": Object {
+                      "arguments": Array [
+                        Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 1,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 25,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 22,
+                              "line": 5,
+                            },
+                          },
+                          "operator": "-",
+                          "right": Node {
+                            "end": 81,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 25,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 24,
+                                "line": 5,
+                              },
+                            },
+                            "raw": "1",
+                            "start": 80,
+                            "type": "Literal",
+                            "value": 1,
+                          },
+                          "type": "BinaryExpression",
+                        },
+                      ],
+                      "callee": Object {
+                        "body": Object {
+                          "body": Array [
+                            Object {
+                              "argument": Object {
+                                "alternate": Object {
+                                  "left": Node {
+                                    "end": 65,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 9,
+                                        "line": 5,
+                                      },
+                                      "start": Position {
+                                        "column": 8,
+                                        "line": 5,
+                                      },
+                                    },
+                                    "name": "n",
+                                    "start": 64,
+                                    "type": "Identifier",
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 26,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 8,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "operator": "*",
+                                  "right": Object {
+                                    "arguments": Array [
+                                      Object {
+                                        "left": Node {
+                                          "end": 79,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 23,
+                                              "line": 5,
+                                            },
+                                            "start": Position {
+                                              "column": 22,
+                                              "line": 5,
+                                            },
+                                          },
+                                          "name": "n",
+                                          "start": 78,
+                                          "type": "Identifier",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 25,
+                                            "line": 5,
+                                          },
+                                          "start": Position {
+                                            "column": 22,
+                                            "line": 5,
+                                          },
+                                        },
+                                        "operator": "-",
+                                        "right": Node {
+                                          "end": 81,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 25,
+                                              "line": 5,
+                                            },
+                                            "start": Position {
+                                              "column": 24,
+                                              "line": 5,
+                                            },
+                                          },
+                                          "raw": "1",
+                                          "start": 80,
+                                          "type": "Literal",
+                                          "value": 1,
+                                        },
+                                        "type": "BinaryExpression",
+                                      },
+                                    ],
+                                    "callee": [Circular],
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 26,
+                                        "line": 5,
+                                      },
+                                      "start": Position {
+                                        "column": 12,
+                                        "line": 5,
+                                      },
+                                    },
+                                    "type": "CallExpression",
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                                "consequent": Node {
+                                  "end": 55,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 9,
+                                      "line": 4,
+                                    },
+                                    "start": Position {
+                                      "column": 8,
+                                      "line": 4,
+                                    },
+                                  },
+                                  "raw": "1",
+                                  "start": 54,
+                                  "type": "Literal",
+                                  "value": 1,
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 26,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 11,
+                                    "line": 3,
+                                  },
+                                },
+                                "test": Object {
+                                  "left": Node {
+                                    "end": 39,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 12,
+                                        "line": 3,
+                                      },
+                                      "start": Position {
+                                        "column": 11,
+                                        "line": 3,
+                                      },
+                                    },
+                                    "name": "n",
+                                    "start": 38,
+                                    "type": "Identifier",
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 18,
+                                      "line": 3,
+                                    },
+                                    "start": Position {
+                                      "column": 11,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "operator": "===",
+                                  "right": Node {
+                                    "end": 45,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 18,
+                                        "line": 3,
+                                      },
+                                      "start": Position {
+                                        "column": 17,
+                                        "line": 3,
+                                      },
+                                    },
+                                    "raw": "0",
+                                    "start": 44,
+                                    "type": "Literal",
+                                    "value": 0,
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                                "type": "ConditionalExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 27,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 4,
+                                  "line": 3,
+                                },
+                              },
+                              "type": "ReturnStatement",
+                            },
+                          ],
+                          "type": "BlockStatement",
+                        },
+                        "id": Node {
+                          "end": 21,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 20,
+                              "line": 2,
+                            },
+                            "start": Position {
+                              "column": 11,
+                              "line": 2,
+                            },
+                          },
+                          "name": "factorial",
+                          "start": 12,
+                          "type": "Identifier",
+                        },
+                        "loc": undefined,
+                        "params": Array [
+                          Node {
+                            "end": 23,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 22,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 21,
+                                "line": 2,
+                              },
+                            },
+                            "name": "n",
+                            "start": 22,
+                            "type": "Identifier",
+                          },
+                        ],
+                        "type": "FunctionExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 26,
+                          "line": 5,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 5,
+                        },
+                      },
+                      "type": "CallExpression",
+                    },
+                    "type": "BinaryExpression",
+                  },
+                  "consequent": Node {
+                    "end": 55,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 9,
+                        "line": 4,
+                      },
+                      "start": Position {
+                        "column": 8,
+                        "line": 4,
+                      },
+                    },
+                    "raw": "1",
+                    "start": 54,
+                    "type": "Literal",
+                    "value": 1,
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 26,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 11,
+                      "line": 3,
+                    },
+                  },
+                  "test": Node {
+                    "end": 5,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 5,
+                        "line": 1,
+                      },
+                      "start": Position {
+                        "column": 0,
+                        "line": 1,
+                      },
+                    },
+                    "raw": "false",
+                    "start": 0,
+                    "type": "Literal",
+                    "value": false,
+                  },
+                  "type": "ConditionalExpression",
+                },
+                "type": "BinaryExpression",
+              },
+              "type": "BinaryExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "left": Object {
+                "loc": undefined,
+                "type": "Literal",
+                "value": 3,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 5,
+                },
+              },
+              "operator": "*",
+              "right": Object {
+                "left": Object {
+                  "loc": undefined,
+                  "type": "Literal",
+                  "value": 2,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 8,
+                    "line": 5,
+                  },
+                },
+                "operator": "*",
+                "right": Object {
+                  "left": Object {
+                    "loc": undefined,
+                    "type": "Literal",
+                    "value": 1,
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 26,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 8,
+                      "line": 5,
+                    },
+                  },
+                  "operator": "*",
+                  "right": Object {
+                    "arguments": Array [
+                      Object {
+                        "left": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 1,
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 25,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 22,
+                            "line": 5,
+                          },
+                        },
+                        "operator": "-",
+                        "right": Node {
+                          "end": 81,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 25,
+                              "line": 5,
+                            },
+                            "start": Position {
+                              "column": 24,
+                              "line": 5,
+                            },
+                          },
+                          "raw": "1",
+                          "start": 80,
+                          "type": "Literal",
+                          "value": 1,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                    ],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "alternate": Object {
+                                "left": Node {
+                                  "end": 65,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 9,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 8,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "name": "n",
+                                  "start": 64,
+                                  "type": "Identifier",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 26,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 8,
+                                    "line": 5,
+                                  },
+                                },
+                                "operator": "*",
+                                "right": Object {
+                                  "arguments": Array [
+                                    Object {
+                                      "left": Node {
+                                        "end": 79,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 23,
+                                            "line": 5,
+                                          },
+                                          "start": Position {
+                                            "column": 22,
+                                            "line": 5,
+                                          },
+                                        },
+                                        "name": "n",
+                                        "start": 78,
+                                        "type": "Identifier",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 25,
+                                          "line": 5,
+                                        },
+                                        "start": Position {
+                                          "column": 22,
+                                          "line": 5,
+                                        },
+                                      },
+                                      "operator": "-",
+                                      "right": Node {
+                                        "end": 81,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 25,
+                                            "line": 5,
+                                          },
+                                          "start": Position {
+                                            "column": 24,
+                                            "line": 5,
+                                          },
+                                        },
+                                        "raw": "1",
+                                        "start": 80,
+                                        "type": "Literal",
+                                        "value": 1,
+                                      },
+                                      "type": "BinaryExpression",
+                                    },
+                                  ],
+                                  "callee": [Circular],
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 26,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 12,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "type": "CallExpression",
+                                },
+                                "type": "BinaryExpression",
+                              },
+                              "consequent": Node {
+                                "end": 55,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 9,
+                                    "line": 4,
+                                  },
+                                  "start": Position {
+                                    "column": 8,
+                                    "line": 4,
+                                  },
+                                },
+                                "raw": "1",
+                                "start": 54,
+                                "type": "Literal",
+                                "value": 1,
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 26,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 11,
+                                  "line": 3,
+                                },
+                              },
+                              "test": Object {
+                                "left": Node {
+                                  "end": 39,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 12,
+                                      "line": 3,
+                                    },
+                                    "start": Position {
+                                      "column": 11,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "name": "n",
+                                  "start": 38,
+                                  "type": "Identifier",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 18,
+                                    "line": 3,
+                                  },
+                                  "start": Position {
+                                    "column": 11,
+                                    "line": 3,
+                                  },
+                                },
+                                "operator": "===",
+                                "right": Node {
+                                  "end": 45,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 18,
+                                      "line": 3,
+                                    },
+                                    "start": Position {
+                                      "column": 17,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "raw": "0",
+                                  "start": 44,
+                                  "type": "Literal",
+                                  "value": 0,
+                                },
+                                "type": "BinaryExpression",
+                              },
+                              "type": "ConditionalExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 27,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 4,
+                                "line": 3,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 21,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 20,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 11,
+                            "line": 2,
+                          },
+                        },
+                        "name": "factorial",
+                        "start": 12,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [
+                        Node {
+                          "end": 23,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 22,
+                              "line": 2,
+                            },
+                            "start": Position {
+                              "column": 21,
+                              "line": 2,
+                            },
+                          },
+                          "name": "n",
+                          "start": 22,
+                          "type": "Identifier",
+                        },
+                      ],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 26,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 12,
+                        "line": 5,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "type": "BinaryExpression",
+                },
+                "type": "BinaryExpression",
+              },
+              "type": "BinaryExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "left": Object {
+                "loc": undefined,
+                "type": "Literal",
+                "value": 3,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 5,
+                },
+              },
+              "operator": "*",
+              "right": Object {
+                "left": Object {
+                  "loc": undefined,
+                  "type": "Literal",
+                  "value": 2,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 8,
+                    "line": 5,
+                  },
+                },
+                "operator": "*",
+                "right": Object {
+                  "left": Object {
+                    "loc": undefined,
+                    "type": "Literal",
+                    "value": 1,
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 26,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 8,
+                      "line": 5,
+                    },
+                  },
+                  "operator": "*",
+                  "right": Object {
+                    "arguments": Array [
+                      Node {
+                        "end": 1,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 1,
+                            "line": 1,
+                          },
+                          "start": Position {
+                            "column": 0,
+                            "line": 1,
+                          },
+                        },
+                        "raw": "0",
+                        "start": 0,
+                        "type": "Literal",
+                        "value": 0,
+                      },
+                    ],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "alternate": Object {
+                                "left": Node {
+                                  "end": 65,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 9,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 8,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "name": "n",
+                                  "start": 64,
+                                  "type": "Identifier",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 26,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 8,
+                                    "line": 5,
+                                  },
+                                },
+                                "operator": "*",
+                                "right": Object {
+                                  "arguments": Array [
+                                    Object {
+                                      "left": Node {
+                                        "end": 79,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 23,
+                                            "line": 5,
+                                          },
+                                          "start": Position {
+                                            "column": 22,
+                                            "line": 5,
+                                          },
+                                        },
+                                        "name": "n",
+                                        "start": 78,
+                                        "type": "Identifier",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 25,
+                                          "line": 5,
+                                        },
+                                        "start": Position {
+                                          "column": 22,
+                                          "line": 5,
+                                        },
+                                      },
+                                      "operator": "-",
+                                      "right": Node {
+                                        "end": 81,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 25,
+                                            "line": 5,
+                                          },
+                                          "start": Position {
+                                            "column": 24,
+                                            "line": 5,
+                                          },
+                                        },
+                                        "raw": "1",
+                                        "start": 80,
+                                        "type": "Literal",
+                                        "value": 1,
+                                      },
+                                      "type": "BinaryExpression",
+                                    },
+                                  ],
+                                  "callee": [Circular],
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 26,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 12,
+                                      "line": 5,
+                                    },
+                                  },
+                                  "type": "CallExpression",
+                                },
+                                "type": "BinaryExpression",
+                              },
+                              "consequent": Node {
+                                "end": 55,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 9,
+                                    "line": 4,
+                                  },
+                                  "start": Position {
+                                    "column": 8,
+                                    "line": 4,
+                                  },
+                                },
+                                "raw": "1",
+                                "start": 54,
+                                "type": "Literal",
+                                "value": 1,
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 26,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 11,
+                                  "line": 3,
+                                },
+                              },
+                              "test": Object {
+                                "left": Node {
+                                  "end": 39,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 12,
+                                      "line": 3,
+                                    },
+                                    "start": Position {
+                                      "column": 11,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "name": "n",
+                                  "start": 38,
+                                  "type": "Identifier",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 18,
+                                    "line": 3,
+                                  },
+                                  "start": Position {
+                                    "column": 11,
+                                    "line": 3,
+                                  },
+                                },
+                                "operator": "===",
+                                "right": Node {
+                                  "end": 45,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 18,
+                                      "line": 3,
+                                    },
+                                    "start": Position {
+                                      "column": 17,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "raw": "0",
+                                  "start": 44,
+                                  "type": "Literal",
+                                  "value": 0,
+                                },
+                                "type": "BinaryExpression",
+                              },
+                              "type": "ConditionalExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 27,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 4,
+                                "line": 3,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 21,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 20,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 11,
+                            "line": 2,
+                          },
+                        },
+                        "name": "factorial",
+                        "start": 12,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [
+                        Node {
+                          "end": 23,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 22,
+                              "line": 2,
+                            },
+                            "start": Position {
+                              "column": 21,
+                              "line": 2,
+                            },
+                          },
+                          "name": "n",
+                          "start": 22,
+                          "type": "Identifier",
+                        },
+                      ],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 26,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 12,
+                        "line": 5,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "type": "BinaryExpression",
+                },
+                "type": "BinaryExpression",
+              },
+              "type": "BinaryExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "left": Object {
+                "loc": undefined,
+                "type": "Literal",
+                "value": 3,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 5,
+                },
+              },
+              "operator": "*",
+              "right": Object {
+                "left": Object {
+                  "loc": undefined,
+                  "type": "Literal",
+                  "value": 2,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 8,
+                    "line": 5,
+                  },
+                },
+                "operator": "*",
+                "right": Object {
+                  "left": Object {
+                    "loc": undefined,
+                    "type": "Literal",
+                    "value": 1,
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 26,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 8,
+                      "line": 5,
+                    },
+                  },
+                  "operator": "*",
+                  "right": Object {
+                    "alternate": Object {
+                      "left": Object {
+                        "loc": undefined,
+                        "type": "Literal",
+                        "value": 0,
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 26,
+                          "line": 5,
+                        },
+                        "start": Position {
+                          "column": 8,
+                          "line": 5,
+                        },
+                      },
+                      "operator": "*",
+                      "right": Object {
+                        "arguments": Array [
+                          Object {
+                            "left": Object {
+                              "loc": undefined,
+                              "type": "Literal",
+                              "value": 0,
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 25,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 22,
+                                "line": 5,
+                              },
+                            },
+                            "operator": "-",
+                            "right": Node {
+                              "end": 81,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 25,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 24,
+                                  "line": 5,
+                                },
+                              },
+                              "raw": "1",
+                              "start": 80,
+                              "type": "Literal",
+                              "value": 1,
+                            },
+                            "type": "BinaryExpression",
+                          },
+                        ],
+                        "callee": Object {
+                          "body": Object {
+                            "body": Array [
+                              Object {
+                                "argument": Object {
+                                  "alternate": Object {
+                                    "left": Node {
+                                      "end": 65,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 9,
+                                          "line": 5,
+                                        },
+                                        "start": Position {
+                                          "column": 8,
+                                          "line": 5,
+                                        },
+                                      },
+                                      "name": "n",
+                                      "start": 64,
+                                      "type": "Identifier",
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 26,
+                                        "line": 5,
+                                      },
+                                      "start": Position {
+                                        "column": 8,
+                                        "line": 5,
+                                      },
+                                    },
+                                    "operator": "*",
+                                    "right": Object {
+                                      "arguments": Array [
+                                        Object {
+                                          "left": Node {
+                                            "end": 79,
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 23,
+                                                "line": 5,
+                                              },
+                                              "start": Position {
+                                                "column": 22,
+                                                "line": 5,
+                                              },
+                                            },
+                                            "name": "n",
+                                            "start": 78,
+                                            "type": "Identifier",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 25,
+                                              "line": 5,
+                                            },
+                                            "start": Position {
+                                              "column": 22,
+                                              "line": 5,
+                                            },
+                                          },
+                                          "operator": "-",
+                                          "right": Node {
+                                            "end": 81,
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 25,
+                                                "line": 5,
+                                              },
+                                              "start": Position {
+                                                "column": 24,
+                                                "line": 5,
+                                              },
+                                            },
+                                            "raw": "1",
+                                            "start": 80,
+                                            "type": "Literal",
+                                            "value": 1,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                      ],
+                                      "callee": [Circular],
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 26,
+                                          "line": 5,
+                                        },
+                                        "start": Position {
+                                          "column": 12,
+                                          "line": 5,
+                                        },
+                                      },
+                                      "type": "CallExpression",
+                                    },
+                                    "type": "BinaryExpression",
+                                  },
+                                  "consequent": Node {
+                                    "end": 55,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 9,
+                                        "line": 4,
+                                      },
+                                      "start": Position {
+                                        "column": 8,
+                                        "line": 4,
+                                      },
+                                    },
+                                    "raw": "1",
+                                    "start": 54,
+                                    "type": "Literal",
+                                    "value": 1,
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 26,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 11,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "test": Object {
+                                    "left": Node {
+                                      "end": 39,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 12,
+                                          "line": 3,
+                                        },
+                                        "start": Position {
+                                          "column": 11,
+                                          "line": 3,
+                                        },
+                                      },
+                                      "name": "n",
+                                      "start": 38,
+                                      "type": "Identifier",
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 18,
+                                        "line": 3,
+                                      },
+                                      "start": Position {
+                                        "column": 11,
+                                        "line": 3,
+                                      },
+                                    },
+                                    "operator": "===",
+                                    "right": Node {
+                                      "end": 45,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 18,
+                                          "line": 3,
+                                        },
+                                        "start": Position {
+                                          "column": 17,
+                                          "line": 3,
+                                        },
+                                      },
+                                      "raw": "0",
+                                      "start": 44,
+                                      "type": "Literal",
+                                      "value": 0,
+                                    },
+                                    "type": "BinaryExpression",
+                                  },
+                                  "type": "ConditionalExpression",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 27,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 4,
+                                    "line": 3,
+                                  },
+                                },
+                                "type": "ReturnStatement",
+                              },
+                            ],
+                            "type": "BlockStatement",
+                          },
+                          "id": Node {
+                            "end": 21,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 20,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 11,
+                                "line": 2,
+                              },
+                            },
+                            "name": "factorial",
+                            "start": 12,
+                            "type": "Identifier",
+                          },
+                          "loc": undefined,
+                          "params": Array [
+                            Node {
+                              "end": 23,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 22,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 21,
+                                  "line": 2,
+                                },
+                              },
+                              "name": "n",
+                              "start": 22,
+                              "type": "Identifier",
+                            },
+                          ],
+                          "type": "FunctionExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 26,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 12,
+                            "line": 5,
+                          },
+                        },
+                        "type": "CallExpression",
+                      },
+                      "type": "BinaryExpression",
+                    },
+                    "consequent": Node {
+                      "end": 55,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 9,
+                          "line": 4,
+                        },
+                        "start": Position {
+                          "column": 8,
+                          "line": 4,
+                        },
+                      },
+                      "raw": "1",
+                      "start": 54,
+                      "type": "Literal",
+                      "value": 1,
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 26,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 3,
+                      },
+                    },
+                    "test": Object {
+                      "left": Object {
+                        "loc": undefined,
+                        "type": "Literal",
+                        "value": 0,
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 18,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 11,
+                          "line": 3,
+                        },
+                      },
+                      "operator": "===",
+                      "right": Node {
+                        "end": 45,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 18,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 17,
+                            "line": 3,
+                          },
+                        },
+                        "raw": "0",
+                        "start": 44,
+                        "type": "Literal",
+                        "value": 0,
+                      },
+                      "type": "BinaryExpression",
+                    },
+                    "type": "ConditionalExpression",
+                  },
+                  "type": "BinaryExpression",
+                },
+                "type": "BinaryExpression",
+              },
+              "type": "BinaryExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "left": Object {
+                "loc": undefined,
+                "type": "Literal",
+                "value": 3,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 5,
+                },
+              },
+              "operator": "*",
+              "right": Object {
+                "left": Object {
+                  "loc": undefined,
+                  "type": "Literal",
+                  "value": 2,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 8,
+                    "line": 5,
+                  },
+                },
+                "operator": "*",
+                "right": Object {
+                  "left": Object {
+                    "loc": undefined,
+                    "type": "Literal",
+                    "value": 1,
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 26,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 8,
+                      "line": 5,
+                    },
+                  },
+                  "operator": "*",
+                  "right": Object {
+                    "alternate": Object {
+                      "left": Object {
+                        "loc": undefined,
+                        "type": "Literal",
+                        "value": 0,
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 26,
+                          "line": 5,
+                        },
+                        "start": Position {
+                          "column": 8,
+                          "line": 5,
+                        },
+                      },
+                      "operator": "*",
+                      "right": Object {
+                        "arguments": Array [
+                          Object {
+                            "left": Object {
+                              "loc": undefined,
+                              "type": "Literal",
+                              "value": 0,
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 25,
+                                "line": 5,
+                              },
+                              "start": Position {
+                                "column": 22,
+                                "line": 5,
+                              },
+                            },
+                            "operator": "-",
+                            "right": Node {
+                              "end": 81,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 25,
+                                  "line": 5,
+                                },
+                                "start": Position {
+                                  "column": 24,
+                                  "line": 5,
+                                },
+                              },
+                              "raw": "1",
+                              "start": 80,
+                              "type": "Literal",
+                              "value": 1,
+                            },
+                            "type": "BinaryExpression",
+                          },
+                        ],
+                        "callee": Object {
+                          "body": Object {
+                            "body": Array [
+                              Object {
+                                "argument": Object {
+                                  "alternate": Object {
+                                    "left": Node {
+                                      "end": 65,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 9,
+                                          "line": 5,
+                                        },
+                                        "start": Position {
+                                          "column": 8,
+                                          "line": 5,
+                                        },
+                                      },
+                                      "name": "n",
+                                      "start": 64,
+                                      "type": "Identifier",
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 26,
+                                        "line": 5,
+                                      },
+                                      "start": Position {
+                                        "column": 8,
+                                        "line": 5,
+                                      },
+                                    },
+                                    "operator": "*",
+                                    "right": Object {
+                                      "arguments": Array [
+                                        Object {
+                                          "left": Node {
+                                            "end": 79,
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 23,
+                                                "line": 5,
+                                              },
+                                              "start": Position {
+                                                "column": 22,
+                                                "line": 5,
+                                              },
+                                            },
+                                            "name": "n",
+                                            "start": 78,
+                                            "type": "Identifier",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 25,
+                                              "line": 5,
+                                            },
+                                            "start": Position {
+                                              "column": 22,
+                                              "line": 5,
+                                            },
+                                          },
+                                          "operator": "-",
+                                          "right": Node {
+                                            "end": 81,
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 25,
+                                                "line": 5,
+                                              },
+                                              "start": Position {
+                                                "column": 24,
+                                                "line": 5,
+                                              },
+                                            },
+                                            "raw": "1",
+                                            "start": 80,
+                                            "type": "Literal",
+                                            "value": 1,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                      ],
+                                      "callee": [Circular],
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 26,
+                                          "line": 5,
+                                        },
+                                        "start": Position {
+                                          "column": 12,
+                                          "line": 5,
+                                        },
+                                      },
+                                      "type": "CallExpression",
+                                    },
+                                    "type": "BinaryExpression",
+                                  },
+                                  "consequent": Node {
+                                    "end": 55,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 9,
+                                        "line": 4,
+                                      },
+                                      "start": Position {
+                                        "column": 8,
+                                        "line": 4,
+                                      },
+                                    },
+                                    "raw": "1",
+                                    "start": 54,
+                                    "type": "Literal",
+                                    "value": 1,
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 26,
+                                      "line": 5,
+                                    },
+                                    "start": Position {
+                                      "column": 11,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "test": Object {
+                                    "left": Node {
+                                      "end": 39,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 12,
+                                          "line": 3,
+                                        },
+                                        "start": Position {
+                                          "column": 11,
+                                          "line": 3,
+                                        },
+                                      },
+                                      "name": "n",
+                                      "start": 38,
+                                      "type": "Identifier",
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 18,
+                                        "line": 3,
+                                      },
+                                      "start": Position {
+                                        "column": 11,
+                                        "line": 3,
+                                      },
+                                    },
+                                    "operator": "===",
+                                    "right": Node {
+                                      "end": 45,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 18,
+                                          "line": 3,
+                                        },
+                                        "start": Position {
+                                          "column": 17,
+                                          "line": 3,
+                                        },
+                                      },
+                                      "raw": "0",
+                                      "start": 44,
+                                      "type": "Literal",
+                                      "value": 0,
+                                    },
+                                    "type": "BinaryExpression",
+                                  },
+                                  "type": "ConditionalExpression",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 27,
+                                    "line": 5,
+                                  },
+                                  "start": Position {
+                                    "column": 4,
+                                    "line": 3,
+                                  },
+                                },
+                                "type": "ReturnStatement",
+                              },
+                            ],
+                            "type": "BlockStatement",
+                          },
+                          "id": Node {
+                            "end": 21,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 20,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 11,
+                                "line": 2,
+                              },
+                            },
+                            "name": "factorial",
+                            "start": 12,
+                            "type": "Identifier",
+                          },
+                          "loc": undefined,
+                          "params": Array [
+                            Node {
+                              "end": 23,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 22,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 21,
+                                  "line": 2,
+                                },
+                              },
+                              "name": "n",
+                              "start": 22,
+                              "type": "Identifier",
+                            },
+                          ],
+                          "type": "FunctionExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 26,
+                            "line": 5,
+                          },
+                          "start": Position {
+                            "column": 12,
+                            "line": 5,
+                          },
+                        },
+                        "type": "CallExpression",
+                      },
+                      "type": "BinaryExpression",
+                    },
+                    "consequent": Node {
+                      "end": 55,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 9,
+                          "line": 4,
+                        },
+                        "start": Position {
+                          "column": 8,
+                          "line": 4,
+                        },
+                      },
+                      "raw": "1",
+                      "start": 54,
+                      "type": "Literal",
+                      "value": 1,
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 26,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 3,
+                      },
+                    },
+                    "test": Node {
+                      "end": 4,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 4,
+                          "line": 1,
+                        },
+                        "start": Position {
+                          "column": 0,
+                          "line": 1,
+                        },
+                      },
+                      "raw": "true",
+                      "start": 0,
+                      "type": "Literal",
+                      "value": true,
+                    },
+                    "type": "ConditionalExpression",
+                  },
+                  "type": "BinaryExpression",
+                },
+                "type": "BinaryExpression",
+              },
+              "type": "BinaryExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "left": Object {
+                "loc": undefined,
+                "type": "Literal",
+                "value": 3,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 5,
+                },
+              },
+              "operator": "*",
+              "right": Object {
+                "left": Object {
+                  "loc": undefined,
+                  "type": "Literal",
+                  "value": 2,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 8,
+                    "line": 5,
+                  },
+                },
+                "operator": "*",
+                "right": Object {
+                  "left": Object {
+                    "loc": undefined,
+                    "type": "Literal",
+                    "value": 1,
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 26,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 8,
+                      "line": 5,
+                    },
+                  },
+                  "operator": "*",
+                  "right": Node {
+                    "end": 55,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 9,
+                        "line": 4,
+                      },
+                      "start": Position {
+                        "column": 8,
+                        "line": 4,
+                      },
+                    },
+                    "raw": "1",
+                    "start": 54,
+                    "type": "Literal",
+                    "value": 1,
+                  },
+                  "type": "BinaryExpression",
+                },
+                "type": "BinaryExpression",
+              },
+              "type": "BinaryExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "left": Object {
+                "loc": undefined,
+                "type": "Literal",
+                "value": 3,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 5,
+                },
+              },
+              "operator": "*",
+              "right": Object {
+                "left": Object {
+                  "loc": undefined,
+                  "type": "Literal",
+                  "value": 2,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 8,
+                    "line": 5,
+                  },
+                },
+                "operator": "*",
+                "right": Node {
+                  "end": 1,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 1,
+                      "line": 1,
+                    },
+                    "start": Position {
+                      "column": 0,
+                      "line": 1,
+                    },
+                  },
+                  "raw": "1",
+                  "start": 0,
+                  "type": "Literal",
+                  "value": 1,
+                },
+                "type": "BinaryExpression",
+              },
+              "type": "BinaryExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Object {
+              "left": Object {
+                "loc": undefined,
+                "type": "Literal",
+                "value": 3,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 5,
+                },
+              },
+              "operator": "*",
+              "right": Node {
+                "end": 1,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 1,
+                    "line": 1,
+                  },
+                  "start": Position {
+                    "column": 0,
+                    "line": 1,
+                  },
+                },
+                "raw": "2",
+                "start": 0,
+                "type": "Literal",
+                "value": 2,
+              },
+              "type": "BinaryExpression",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 4,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 5,
+              },
+            },
+            "operator": "*",
+            "right": Node {
+              "end": 1,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 1,
+                  "line": 1,
+                },
+                "start": Position {
+                  "column": 0,
+                  "line": 1,
+                },
+              },
+              "raw": "6",
+              "start": 0,
+              "type": "Literal",
+              "value": 6,
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "loc": undefined,
+            "type": "Literal",
+            "value": 5,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 26,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 8,
+              "line": 5,
+            },
+          },
+          "operator": "*",
+          "right": Node {
+            "end": 2,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 2,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "raw": "24",
+            "start": 0,
+            "type": "Literal",
+            "value": 24,
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Node {
+          "end": 3,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 3,
+              "line": 1,
+            },
+            "start": Position {
+              "column": 0,
+              "line": 1,
+            },
+          },
+          "raw": "120",
+          "start": 0,
+          "type": "Literal",
+          "value": 120,
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+]
+`;
+
+exports[`Test basic bifunction 1`] = `
+Array [
+  Object {
+    "body": Array [
+      Object {
+        "body": Object {
+          "body": Array [
+            Object {
+              "argument": Object {
+                "left": Node {
+                  "end": 34,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 12,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 11,
+                      "line": 3,
+                    },
+                  },
+                  "name": "n",
+                  "start": 33,
+                  "type": "Identifier",
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 16,
+                    "line": 3,
+                  },
+                  "start": Position {
+                    "column": 11,
+                    "line": 3,
+                  },
+                },
+                "operator": "*",
+                "right": Node {
+                  "end": 38,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 16,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 15,
+                      "line": 3,
+                    },
+                  },
+                  "name": "m",
+                  "start": 37,
+                  "type": "Identifier",
+                },
+                "type": "BinaryExpression",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 17,
+                  "line": 3,
+                },
+                "start": Position {
+                  "column": 4,
+                  "line": 3,
+                },
+              },
+              "type": "ReturnStatement",
+            },
+          ],
+          "type": "BlockStatement",
+        },
+        "id": Node {
+          "end": 13,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 12,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 11,
+              "line": 2,
+            },
+          },
+          "name": "f",
+          "start": 12,
+          "type": "Identifier",
+        },
+        "loc": undefined,
+        "params": Array [
+          Node {
+            "end": 15,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 14,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 13,
+                "line": 2,
+              },
+            },
+            "name": "n",
+            "start": 14,
+            "type": "Identifier",
+          },
+          Node {
+            "end": 18,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 17,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 16,
+                "line": 2,
+              },
+            },
+            "name": "m",
+            "start": 17,
+            "type": "Identifier",
+          },
+        ],
+        "type": "FunctionDeclaration",
+      },
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Object {
+              "left": Object {
+                "left": Node {
+                  "end": 49,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 5,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 4,
+                      "line": 5,
+                    },
+                  },
+                  "raw": "5",
+                  "start": 48,
+                  "type": "Literal",
+                  "value": 5,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 9,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 4,
+                    "line": 5,
+                  },
+                },
+                "operator": "+",
+                "right": Object {
+                  "left": Node {
+                    "end": 51,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 7,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 6,
+                        "line": 5,
+                      },
+                    },
+                    "raw": "1",
+                    "start": 50,
+                    "type": "Literal",
+                    "value": 1,
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 9,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 6,
+                      "line": 5,
+                    },
+                  },
+                  "operator": "*",
+                  "right": Node {
+                    "end": 53,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 9,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 8,
+                        "line": 5,
+                      },
+                    },
+                    "raw": "6",
+                    "start": 52,
+                    "type": "Literal",
+                    "value": 6,
+                  },
+                  "type": "BinaryExpression",
+                },
+                "type": "BinaryExpression",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 12,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 4,
+                  "line": 5,
+                },
+              },
+              "operator": "-",
+              "right": Node {
+                "end": 56,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 12,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 10,
+                    "line": 5,
+                  },
+                },
+                "raw": "40",
+                "start": 54,
+                "type": "Literal",
+                "value": 40,
+              },
+              "type": "BinaryExpression",
+            },
+            Object {
+              "left": Node {
+                "end": 59,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 15,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 14,
+                    "line": 5,
+                  },
+                },
+                "raw": "2",
+                "start": 58,
+                "type": "Literal",
+                "value": 2,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 17,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 14,
+                  "line": 5,
+                },
+              },
+              "operator": "-",
+              "right": Node {
+                "end": 61,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 17,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 16,
+                    "line": 5,
+                  },
+                },
+                "raw": "5",
+                "start": 60,
+                "type": "Literal",
+                "value": 5,
+              },
+              "type": "BinaryExpression",
+            },
+          ],
+          "callee": Node {
+            "end": 47,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 3,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 2,
+                "line": 5,
+              },
+            },
+            "name": "f",
+            "start": 46,
+            "type": "Identifier",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 18,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 5,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Object {
+              "left": Object {
+                "left": Node {
+                  "end": 49,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 5,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 4,
+                      "line": 5,
+                    },
+                  },
+                  "raw": "5",
+                  "start": 48,
+                  "type": "Literal",
+                  "value": 5,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 9,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 4,
+                    "line": 5,
+                  },
+                },
+                "operator": "+",
+                "right": Object {
+                  "left": Node {
+                    "end": 51,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 7,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 6,
+                        "line": 5,
+                      },
+                    },
+                    "raw": "1",
+                    "start": 50,
+                    "type": "Literal",
+                    "value": 1,
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 9,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 6,
+                      "line": 5,
+                    },
+                  },
+                  "operator": "*",
+                  "right": Node {
+                    "end": 53,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 9,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 8,
+                        "line": 5,
+                      },
+                    },
+                    "raw": "6",
+                    "start": 52,
+                    "type": "Literal",
+                    "value": 6,
+                  },
+                  "type": "BinaryExpression",
+                },
+                "type": "BinaryExpression",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 12,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 4,
+                  "line": 5,
+                },
+              },
+              "operator": "-",
+              "right": Node {
+                "end": 56,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 12,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 10,
+                    "line": 5,
+                  },
+                },
+                "raw": "40",
+                "start": 54,
+                "type": "Literal",
+                "value": 40,
+              },
+              "type": "BinaryExpression",
+            },
+            Object {
+              "left": Node {
+                "end": 59,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 15,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 14,
+                    "line": 5,
+                  },
+                },
+                "raw": "2",
+                "start": 58,
+                "type": "Literal",
+                "value": 2,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 17,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 14,
+                  "line": 5,
+                },
+              },
+              "operator": "-",
+              "right": Node {
+                "end": 61,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 17,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 16,
+                    "line": 5,
+                  },
+                },
+                "raw": "5",
+                "start": 60,
+                "type": "Literal",
+                "value": 5,
+              },
+              "type": "BinaryExpression",
+            },
+          ],
+          "callee": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "left": Node {
+                      "end": 34,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 12,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 11,
+                          "line": 3,
+                        },
+                      },
+                      "name": "n",
+                      "start": 33,
+                      "type": "Identifier",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 16,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 3,
+                      },
+                    },
+                    "operator": "*",
+                    "right": Node {
+                      "end": 38,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 16,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 15,
+                          "line": 3,
+                        },
+                      },
+                      "name": "m",
+                      "start": 37,
+                      "type": "Identifier",
+                    },
+                    "type": "BinaryExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 17,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 4,
+                      "line": 3,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 13,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 12,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 11,
+                  "line": 2,
+                },
+              },
+              "name": "f",
+              "start": 12,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [
+              Node {
+                "end": 15,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 14,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 13,
+                    "line": 2,
+                  },
+                },
+                "name": "n",
+                "start": 14,
+                "type": "Identifier",
+              },
+              Node {
+                "end": 18,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 17,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 16,
+                    "line": 2,
+                  },
+                },
+                "name": "m",
+                "start": 17,
+                "type": "Identifier",
+              },
+            ],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 18,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 5,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Object {
+              "left": Object {
+                "left": Node {
+                  "end": 49,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 5,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 4,
+                      "line": 5,
+                    },
+                  },
+                  "raw": "5",
+                  "start": 48,
+                  "type": "Literal",
+                  "value": 5,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 9,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 4,
+                    "line": 5,
+                  },
+                },
+                "operator": "+",
+                "right": Node {
+                  "end": 1,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 1,
+                      "line": 1,
+                    },
+                    "start": Position {
+                      "column": 0,
+                      "line": 1,
+                    },
+                  },
+                  "raw": "6",
+                  "start": 0,
+                  "type": "Literal",
+                  "value": 6,
+                },
+                "type": "BinaryExpression",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 12,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 4,
+                  "line": 5,
+                },
+              },
+              "operator": "-",
+              "right": Node {
+                "end": 56,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 12,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 10,
+                    "line": 5,
+                  },
+                },
+                "raw": "40",
+                "start": 54,
+                "type": "Literal",
+                "value": 40,
+              },
+              "type": "BinaryExpression",
+            },
+            Object {
+              "left": Node {
+                "end": 59,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 15,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 14,
+                    "line": 5,
+                  },
+                },
+                "raw": "2",
+                "start": 58,
+                "type": "Literal",
+                "value": 2,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 17,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 14,
+                  "line": 5,
+                },
+              },
+              "operator": "-",
+              "right": Node {
+                "end": 61,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 17,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 16,
+                    "line": 5,
+                  },
+                },
+                "raw": "5",
+                "start": 60,
+                "type": "Literal",
+                "value": 5,
+              },
+              "type": "BinaryExpression",
+            },
+          ],
+          "callee": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "left": Node {
+                      "end": 34,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 12,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 11,
+                          "line": 3,
+                        },
+                      },
+                      "name": "n",
+                      "start": 33,
+                      "type": "Identifier",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 16,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 3,
+                      },
+                    },
+                    "operator": "*",
+                    "right": Node {
+                      "end": 38,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 16,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 15,
+                          "line": 3,
+                        },
+                      },
+                      "name": "m",
+                      "start": 37,
+                      "type": "Identifier",
+                    },
+                    "type": "BinaryExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 17,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 4,
+                      "line": 3,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 13,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 12,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 11,
+                  "line": 2,
+                },
+              },
+              "name": "f",
+              "start": 12,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [
+              Node {
+                "end": 15,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 14,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 13,
+                    "line": 2,
+                  },
+                },
+                "name": "n",
+                "start": 14,
+                "type": "Identifier",
+              },
+              Node {
+                "end": 18,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 17,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 16,
+                    "line": 2,
+                  },
+                },
+                "name": "m",
+                "start": 17,
+                "type": "Identifier",
+              },
+            ],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 18,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 5,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Object {
+              "left": Node {
+                "end": 2,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 2,
+                    "line": 1,
+                  },
+                  "start": Position {
+                    "column": 0,
+                    "line": 1,
+                  },
+                },
+                "raw": "11",
+                "start": 0,
+                "type": "Literal",
+                "value": 11,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 12,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 4,
+                  "line": 5,
+                },
+              },
+              "operator": "-",
+              "right": Node {
+                "end": 56,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 12,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 10,
+                    "line": 5,
+                  },
+                },
+                "raw": "40",
+                "start": 54,
+                "type": "Literal",
+                "value": 40,
+              },
+              "type": "BinaryExpression",
+            },
+            Object {
+              "left": Node {
+                "end": 59,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 15,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 14,
+                    "line": 5,
+                  },
+                },
+                "raw": "2",
+                "start": 58,
+                "type": "Literal",
+                "value": 2,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 17,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 14,
+                  "line": 5,
+                },
+              },
+              "operator": "-",
+              "right": Node {
+                "end": 61,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 17,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 16,
+                    "line": 5,
+                  },
+                },
+                "raw": "5",
+                "start": 60,
+                "type": "Literal",
+                "value": 5,
+              },
+              "type": "BinaryExpression",
+            },
+          ],
+          "callee": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "left": Node {
+                      "end": 34,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 12,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 11,
+                          "line": 3,
+                        },
+                      },
+                      "name": "n",
+                      "start": 33,
+                      "type": "Identifier",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 16,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 3,
+                      },
+                    },
+                    "operator": "*",
+                    "right": Node {
+                      "end": 38,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 16,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 15,
+                          "line": 3,
+                        },
+                      },
+                      "name": "m",
+                      "start": 37,
+                      "type": "Identifier",
+                    },
+                    "type": "BinaryExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 17,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 4,
+                      "line": 3,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 13,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 12,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 11,
+                  "line": 2,
+                },
+              },
+              "name": "f",
+              "start": 12,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [
+              Node {
+                "end": 15,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 14,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 13,
+                    "line": 2,
+                  },
+                },
+                "name": "n",
+                "start": 14,
+                "type": "Identifier",
+              },
+              Node {
+                "end": 18,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 17,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 16,
+                    "line": 2,
+                  },
+                },
+                "name": "m",
+                "start": 17,
+                "type": "Identifier",
+              },
+            ],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 18,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 5,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Node {
+              "argument": Node {
+                "end": 3,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 3,
+                    "line": 1,
+                  },
+                  "start": Position {
+                    "column": 1,
+                    "line": 1,
+                  },
+                },
+                "raw": "29",
+                "start": 1,
+                "type": "Literal",
+                "value": 29,
+              },
+              "end": 3,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 3,
+                  "line": 1,
+                },
+                "start": Position {
+                  "column": 0,
+                  "line": 1,
+                },
+              },
+              "operator": "-",
+              "prefix": true,
+              "start": 0,
+              "type": "UnaryExpression",
+            },
+            Object {
+              "left": Node {
+                "end": 59,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 15,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 14,
+                    "line": 5,
+                  },
+                },
+                "raw": "2",
+                "start": 58,
+                "type": "Literal",
+                "value": 2,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 17,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 14,
+                  "line": 5,
+                },
+              },
+              "operator": "-",
+              "right": Node {
+                "end": 61,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 17,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 16,
+                    "line": 5,
+                  },
+                },
+                "raw": "5",
+                "start": 60,
+                "type": "Literal",
+                "value": 5,
+              },
+              "type": "BinaryExpression",
+            },
+          ],
+          "callee": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "left": Node {
+                      "end": 34,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 12,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 11,
+                          "line": 3,
+                        },
+                      },
+                      "name": "n",
+                      "start": 33,
+                      "type": "Identifier",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 16,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 3,
+                      },
+                    },
+                    "operator": "*",
+                    "right": Node {
+                      "end": 38,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 16,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 15,
+                          "line": 3,
+                        },
+                      },
+                      "name": "m",
+                      "start": 37,
+                      "type": "Identifier",
+                    },
+                    "type": "BinaryExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 17,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 4,
+                      "line": 3,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 13,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 12,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 11,
+                  "line": 2,
+                },
+              },
+              "name": "f",
+              "start": 12,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [
+              Node {
+                "end": 15,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 14,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 13,
+                    "line": 2,
+                  },
+                },
+                "name": "n",
+                "start": 14,
+                "type": "Identifier",
+              },
+              Node {
+                "end": 18,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 17,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 16,
+                    "line": 2,
+                  },
+                },
+                "name": "m",
+                "start": 17,
+                "type": "Identifier",
+              },
+            ],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 18,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 5,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Node {
+              "argument": Node {
+                "end": 3,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 3,
+                    "line": 1,
+                  },
+                  "start": Position {
+                    "column": 1,
+                    "line": 1,
+                  },
+                },
+                "raw": "29",
+                "start": 1,
+                "type": "Literal",
+                "value": 29,
+              },
+              "end": 3,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 3,
+                  "line": 1,
+                },
+                "start": Position {
+                  "column": 0,
+                  "line": 1,
+                },
+              },
+              "operator": "-",
+              "prefix": true,
+              "start": 0,
+              "type": "UnaryExpression",
+            },
+            Node {
+              "argument": Node {
+                "end": 2,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 2,
+                    "line": 1,
+                  },
+                  "start": Position {
+                    "column": 1,
+                    "line": 1,
+                  },
+                },
+                "raw": "3",
+                "start": 1,
+                "type": "Literal",
+                "value": 3,
+              },
+              "end": 2,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 2,
+                  "line": 1,
+                },
+                "start": Position {
+                  "column": 0,
+                  "line": 1,
+                },
+              },
+              "operator": "-",
+              "prefix": true,
+              "start": 0,
+              "type": "UnaryExpression",
+            },
+          ],
+          "callee": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "left": Node {
+                      "end": 34,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 12,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 11,
+                          "line": 3,
+                        },
+                      },
+                      "name": "n",
+                      "start": 33,
+                      "type": "Identifier",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 16,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 3,
+                      },
+                    },
+                    "operator": "*",
+                    "right": Node {
+                      "end": 38,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 16,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 15,
+                          "line": 3,
+                        },
+                      },
+                      "name": "m",
+                      "start": 37,
+                      "type": "Identifier",
+                    },
+                    "type": "BinaryExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 17,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 4,
+                      "line": 3,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 13,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 12,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 11,
+                  "line": 2,
+                },
+              },
+              "name": "f",
+              "start": 12,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [
+              Node {
+                "end": 15,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 14,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 13,
+                    "line": 2,
+                  },
+                },
+                "name": "n",
+                "start": 14,
+                "type": "Identifier",
+              },
+              Node {
+                "end": 18,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 17,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 16,
+                    "line": 2,
+                  },
+                },
+                "name": "m",
+                "start": 17,
+                "type": "Identifier",
+              },
+            ],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 18,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 5,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "argument": Node {
+              "end": 3,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 3,
+                  "line": 1,
+                },
+                "start": Position {
+                  "column": 1,
+                  "line": 1,
+                },
+              },
+              "raw": "29",
+              "start": 1,
+              "type": "Literal",
+              "value": 29,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 3,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "operator": "-",
+            "prefix": true,
+            "type": "UnaryExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 16,
+              "line": 3,
+            },
+            "start": Position {
+              "column": 11,
+              "line": 3,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "argument": Node {
+              "end": 2,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 2,
+                  "line": 1,
+                },
+                "start": Position {
+                  "column": 1,
+                  "line": 1,
+                },
+              },
+              "raw": "3",
+              "start": 1,
+              "type": "Literal",
+              "value": 3,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 2,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "operator": "-",
+            "prefix": true,
+            "type": "UnaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Node {
+          "end": 2,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 2,
+              "line": 1,
+            },
+            "start": Position {
+              "column": 0,
+              "line": 1,
+            },
+          },
+          "raw": "87",
+          "start": 0,
+          "type": "Literal",
+          "value": 87,
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+]
+`;
+
+exports[`Test basic function 1`] = `
+Array [
+  Object {
+    "body": Array [
+      Object {
+        "body": Object {
+          "body": Array [
+            Object {
+              "argument": Node {
+                "end": 31,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 12,
+                    "line": 3,
+                  },
+                  "start": Position {
+                    "column": 11,
+                    "line": 3,
+                  },
+                },
+                "name": "n",
+                "start": 30,
+                "type": "Identifier",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 13,
+                  "line": 3,
+                },
+                "start": Position {
+                  "column": 4,
+                  "line": 3,
+                },
+              },
+              "type": "ReturnStatement",
+            },
+          ],
+          "type": "BlockStatement",
+        },
+        "id": Node {
+          "end": 13,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 12,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 11,
+              "line": 2,
+            },
+          },
+          "name": "f",
+          "start": 12,
+          "type": "Identifier",
+        },
+        "loc": undefined,
+        "params": Array [
+          Node {
+            "end": 15,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 14,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 13,
+                "line": 2,
+              },
+            },
+            "name": "n",
+            "start": 14,
+            "type": "Identifier",
+          },
+        ],
+        "type": "FunctionDeclaration",
+      },
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Object {
+              "left": Object {
+                "left": Node {
+                  "end": 42,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 5,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 4,
+                      "line": 5,
+                    },
+                  },
+                  "raw": "5",
+                  "start": 41,
+                  "type": "Literal",
+                  "value": 5,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 9,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 4,
+                    "line": 5,
+                  },
+                },
+                "operator": "+",
+                "right": Object {
+                  "left": Node {
+                    "end": 44,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 7,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 6,
+                        "line": 5,
+                      },
+                    },
+                    "raw": "1",
+                    "start": 43,
+                    "type": "Literal",
+                    "value": 1,
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 9,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 6,
+                      "line": 5,
+                    },
+                  },
+                  "operator": "*",
+                  "right": Node {
+                    "end": 46,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 9,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 8,
+                        "line": 5,
+                      },
+                    },
+                    "raw": "6",
+                    "start": 45,
+                    "type": "Literal",
+                    "value": 6,
+                  },
+                  "type": "BinaryExpression",
+                },
+                "type": "BinaryExpression",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 12,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 4,
+                  "line": 5,
+                },
+              },
+              "operator": "-",
+              "right": Node {
+                "end": 49,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 12,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 10,
+                    "line": 5,
+                  },
+                },
+                "raw": "40",
+                "start": 47,
+                "type": "Literal",
+                "value": 40,
+              },
+              "type": "BinaryExpression",
+            },
+          ],
+          "callee": Node {
+            "end": 40,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 3,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 2,
+                "line": 5,
+              },
+            },
+            "name": "f",
+            "start": 39,
+            "type": "Identifier",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 13,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 5,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Object {
+              "left": Object {
+                "left": Node {
+                  "end": 42,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 5,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 4,
+                      "line": 5,
+                    },
+                  },
+                  "raw": "5",
+                  "start": 41,
+                  "type": "Literal",
+                  "value": 5,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 9,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 4,
+                    "line": 5,
+                  },
+                },
+                "operator": "+",
+                "right": Object {
+                  "left": Node {
+                    "end": 44,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 7,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 6,
+                        "line": 5,
+                      },
+                    },
+                    "raw": "1",
+                    "start": 43,
+                    "type": "Literal",
+                    "value": 1,
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 9,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 6,
+                      "line": 5,
+                    },
+                  },
+                  "operator": "*",
+                  "right": Node {
+                    "end": 46,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 9,
+                        "line": 5,
+                      },
+                      "start": Position {
+                        "column": 8,
+                        "line": 5,
+                      },
+                    },
+                    "raw": "6",
+                    "start": 45,
+                    "type": "Literal",
+                    "value": 6,
+                  },
+                  "type": "BinaryExpression",
+                },
+                "type": "BinaryExpression",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 12,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 4,
+                  "line": 5,
+                },
+              },
+              "operator": "-",
+              "right": Node {
+                "end": 49,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 12,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 10,
+                    "line": 5,
+                  },
+                },
+                "raw": "40",
+                "start": 47,
+                "type": "Literal",
+                "value": 40,
+              },
+              "type": "BinaryExpression",
+            },
+          ],
+          "callee": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Node {
+                    "end": 31,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 12,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 3,
+                      },
+                    },
+                    "name": "n",
+                    "start": 30,
+                    "type": "Identifier",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 13,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 4,
+                      "line": 3,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 13,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 12,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 11,
+                  "line": 2,
+                },
+              },
+              "name": "f",
+              "start": 12,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [
+              Node {
+                "end": 15,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 14,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 13,
+                    "line": 2,
+                  },
+                },
+                "name": "n",
+                "start": 14,
+                "type": "Identifier",
+              },
+            ],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 13,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 5,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Object {
+              "left": Object {
+                "left": Node {
+                  "end": 42,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 5,
+                      "line": 5,
+                    },
+                    "start": Position {
+                      "column": 4,
+                      "line": 5,
+                    },
+                  },
+                  "raw": "5",
+                  "start": 41,
+                  "type": "Literal",
+                  "value": 5,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 9,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 4,
+                    "line": 5,
+                  },
+                },
+                "operator": "+",
+                "right": Node {
+                  "end": 1,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 1,
+                      "line": 1,
+                    },
+                    "start": Position {
+                      "column": 0,
+                      "line": 1,
+                    },
+                  },
+                  "raw": "6",
+                  "start": 0,
+                  "type": "Literal",
+                  "value": 6,
+                },
+                "type": "BinaryExpression",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 12,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 4,
+                  "line": 5,
+                },
+              },
+              "operator": "-",
+              "right": Node {
+                "end": 49,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 12,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 10,
+                    "line": 5,
+                  },
+                },
+                "raw": "40",
+                "start": 47,
+                "type": "Literal",
+                "value": 40,
+              },
+              "type": "BinaryExpression",
+            },
+          ],
+          "callee": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Node {
+                    "end": 31,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 12,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 3,
+                      },
+                    },
+                    "name": "n",
+                    "start": 30,
+                    "type": "Identifier",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 13,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 4,
+                      "line": 3,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 13,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 12,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 11,
+                  "line": 2,
+                },
+              },
+              "name": "f",
+              "start": 12,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [
+              Node {
+                "end": 15,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 14,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 13,
+                    "line": 2,
+                  },
+                },
+                "name": "n",
+                "start": 14,
+                "type": "Identifier",
+              },
+            ],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 13,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 5,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Object {
+              "left": Node {
+                "end": 2,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 2,
+                    "line": 1,
+                  },
+                  "start": Position {
+                    "column": 0,
+                    "line": 1,
+                  },
+                },
+                "raw": "11",
+                "start": 0,
+                "type": "Literal",
+                "value": 11,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 12,
+                  "line": 5,
+                },
+                "start": Position {
+                  "column": 4,
+                  "line": 5,
+                },
+              },
+              "operator": "-",
+              "right": Node {
+                "end": 49,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 12,
+                    "line": 5,
+                  },
+                  "start": Position {
+                    "column": 10,
+                    "line": 5,
+                  },
+                },
+                "raw": "40",
+                "start": 47,
+                "type": "Literal",
+                "value": 40,
+              },
+              "type": "BinaryExpression",
+            },
+          ],
+          "callee": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Node {
+                    "end": 31,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 12,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 3,
+                      },
+                    },
+                    "name": "n",
+                    "start": 30,
+                    "type": "Identifier",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 13,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 4,
+                      "line": 3,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 13,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 12,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 11,
+                  "line": 2,
+                },
+              },
+              "name": "f",
+              "start": 12,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [
+              Node {
+                "end": 15,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 14,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 13,
+                    "line": 2,
+                  },
+                },
+                "name": "n",
+                "start": 14,
+                "type": "Identifier",
+              },
+            ],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 13,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 5,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Node {
+              "argument": Node {
+                "end": 3,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 3,
+                    "line": 1,
+                  },
+                  "start": Position {
+                    "column": 1,
+                    "line": 1,
+                  },
+                },
+                "raw": "29",
+                "start": 1,
+                "type": "Literal",
+                "value": 29,
+              },
+              "end": 3,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 3,
+                  "line": 1,
+                },
+                "start": Position {
+                  "column": 0,
+                  "line": 1,
+                },
+              },
+              "operator": "-",
+              "prefix": true,
+              "start": 0,
+              "type": "UnaryExpression",
+            },
+          ],
+          "callee": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Node {
+                    "end": 31,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 12,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 3,
+                      },
+                    },
+                    "name": "n",
+                    "start": 30,
+                    "type": "Identifier",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 13,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 4,
+                      "line": 3,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 13,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 12,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 11,
+                  "line": 2,
+                },
+              },
+              "name": "f",
+              "start": 12,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [
+              Node {
+                "end": 15,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 14,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 13,
+                    "line": 2,
+                  },
+                },
+                "name": "n",
+                "start": 14,
+                "type": "Identifier",
+              },
+            ],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 13,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 5,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "argument": Node {
+            "end": 3,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 3,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 1,
+                "line": 1,
+              },
+            },
+            "raw": "29",
+            "start": 1,
+            "type": "Literal",
+            "value": 29,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 3,
+              "line": 1,
+            },
+            "start": Position {
+              "column": 0,
+              "line": 1,
+            },
+          },
+          "operator": "-",
+          "prefix": true,
+          "type": "UnaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+]
+`;
+
+exports[`Test basic substitution 1`] = `
+Array [
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "left": Node {
+              "end": 7,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 6,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 5,
+                  "line": 2,
+                },
+              },
+              "raw": "1",
+              "start": 6,
+              "type": "Literal",
+              "value": 1,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 10,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 5,
+                "line": 2,
+              },
+            },
+            "operator": "+",
+            "right": Node {
+              "end": 11,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 10,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 9,
+                  "line": 2,
+                },
+              },
+              "raw": "2",
+              "start": 10,
+              "type": "Literal",
+              "value": 2,
+            },
+            "type": "BinaryExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 21,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 2,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Node {
+              "end": 17,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 16,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 15,
+                  "line": 2,
+                },
+              },
+              "raw": "3",
+              "start": 16,
+              "type": "Literal",
+              "value": 3,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 20,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 15,
+                "line": 2,
+              },
+            },
+            "operator": "+",
+            "right": Node {
+              "end": 21,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 20,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 19,
+                  "line": 2,
+                },
+              },
+              "raw": "4",
+              "start": 20,
+              "type": "Literal",
+              "value": 4,
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 1,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 1,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "raw": "3",
+            "start": 0,
+            "type": "Literal",
+            "value": 3,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 21,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 2,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Node {
+              "end": 17,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 16,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 15,
+                  "line": 2,
+                },
+              },
+              "raw": "3",
+              "start": 16,
+              "type": "Literal",
+              "value": 3,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 20,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 15,
+                "line": 2,
+              },
+            },
+            "operator": "+",
+            "right": Node {
+              "end": 21,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 20,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 19,
+                  "line": 2,
+                },
+              },
+              "raw": "4",
+              "start": 20,
+              "type": "Literal",
+              "value": 4,
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 1,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 1,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "raw": "3",
+            "start": 0,
+            "type": "Literal",
+            "value": 3,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 21,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 2,
+            },
+          },
+          "operator": "*",
+          "right": Node {
+            "end": 1,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 1,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "raw": "7",
+            "start": 0,
+            "type": "Literal",
+            "value": 7,
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Node {
+          "end": 2,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 2,
+              "line": 1,
+            },
+            "start": Position {
+              "column": 0,
+              "line": 1,
+            },
+          },
+          "raw": "21",
+          "start": 0,
+          "type": "Literal",
+          "value": 21,
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+]
+`;
+
+exports[`Test binary operator error 1`] = `
+Array [
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "left": Node {
+              "end": 7,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 6,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 5,
+                  "line": 2,
+                },
+              },
+              "raw": "1",
+              "start": 6,
+              "type": "Literal",
+              "value": 1,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 10,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 5,
+                "line": 2,
+              },
+            },
+            "operator": "+",
+            "right": Node {
+              "end": 11,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 10,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 9,
+                  "line": 2,
+                },
+              },
+              "raw": "2",
+              "start": 10,
+              "type": "Literal",
+              "value": 2,
+            },
+            "type": "BinaryExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 30,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 2,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Node {
+              "end": 19,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 18,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 15,
+                  "line": 2,
+                },
+              },
+              "raw": "'a'",
+              "start": 16,
+              "type": "Literal",
+              "value": "a",
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 29,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 15,
+                "line": 2,
+              },
+            },
+            "operator": "+",
+            "right": Node {
+              "end": 30,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 29,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 21,
+                  "line": 2,
+                },
+              },
+              "raw": "'string'",
+              "start": 22,
+              "type": "Literal",
+              "value": "string",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 1,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 1,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "raw": "3",
+            "start": 0,
+            "type": "Literal",
+            "value": 3,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 30,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 2,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Node {
+              "end": 19,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 18,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 15,
+                  "line": 2,
+                },
+              },
+              "raw": "'a'",
+              "start": 16,
+              "type": "Literal",
+              "value": "a",
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 29,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 15,
+                "line": 2,
+              },
+            },
+            "operator": "+",
+            "right": Node {
+              "end": 30,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 29,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 21,
+                  "line": 2,
+                },
+              },
+              "raw": "'string'",
+              "start": 22,
+              "type": "Literal",
+              "value": "string",
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 1,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 1,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "raw": "3",
+            "start": 0,
+            "type": "Literal",
+            "value": 3,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 30,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 2,
+            },
+          },
+          "operator": "*",
+          "right": Node {
+            "end": 9,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 9,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "raw": "\\"astring\\"",
+            "start": 0,
+            "type": "Literal",
+            "value": "astring",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+]
+`;
+
+exports[`Test ternary operator 1`] = `
+Array [
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "alternate": Node {
+            "end": 69,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 20,
+                "line": 4,
+              },
+              "start": Position {
+                "column": 6,
+                "line": 4,
+              },
+            },
+            "name": "anotherGarbage",
+            "start": 55,
+            "type": "Identifier",
+          },
+          "consequent": Object {
+            "alternate": Node {
+              "end": 48,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 32,
+                  "line": 3,
+                },
+                "start": Position {
+                  "column": 24,
+                  "line": 3,
+                },
+              },
+              "name": "Infinity",
+              "start": 40,
+              "type": "Identifier",
+            },
+            "consequent": Node {
+              "end": 37,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 21,
+                  "line": 3,
+                },
+                "start": Position {
+                  "column": 14,
+                  "line": 3,
+                },
+              },
+              "name": "garbage",
+              "start": 30,
+              "type": "Identifier",
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 32,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 6,
+                "line": 3,
+              },
+            },
+            "test": Node {
+              "end": 27,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 11,
+                  "line": 3,
+                },
+                "start": Position {
+                  "column": 6,
+                  "line": 3,
+                },
+              },
+              "raw": "false",
+              "start": 22,
+              "type": "Literal",
+              "value": false,
+            },
+            "type": "ConditionalExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 20,
+              "line": 4,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 2,
+            },
+          },
+          "test": Object {
+            "left": Object {
+              "left": Node {
+                "end": 4,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 3,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 2,
+                    "line": 2,
+                  },
+                },
+                "raw": "1",
+                "start": 3,
+                "type": "Literal",
+                "value": 1,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 8,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 2,
+                  "line": 2,
+                },
+              },
+              "operator": "+",
+              "right": Object {
+                "argument": Node {
+                  "end": 9,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 8,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 7,
+                      "line": 2,
+                    },
+                  },
+                  "raw": "1",
+                  "start": 8,
+                  "type": "Literal",
+                  "value": 1,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 8,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 6,
+                    "line": 2,
+                  },
+                },
+                "operator": "-",
+                "prefix": true,
+                "type": "UnaryExpression",
+              },
+              "type": "BinaryExpression",
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 14,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 2,
+                "line": 2,
+              },
+            },
+            "operator": "===",
+            "right": Node {
+              "end": 15,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 14,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 13,
+                  "line": 2,
+                },
+              },
+              "raw": "0",
+              "start": 14,
+              "type": "Literal",
+              "value": 0,
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "ConditionalExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "alternate": Node {
+            "end": 69,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 20,
+                "line": 4,
+              },
+              "start": Position {
+                "column": 6,
+                "line": 4,
+              },
+            },
+            "name": "anotherGarbage",
+            "start": 55,
+            "type": "Identifier",
+          },
+          "consequent": Object {
+            "alternate": Node {
+              "end": 48,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 32,
+                  "line": 3,
+                },
+                "start": Position {
+                  "column": 24,
+                  "line": 3,
+                },
+              },
+              "name": "Infinity",
+              "start": 40,
+              "type": "Identifier",
+            },
+            "consequent": Node {
+              "end": 37,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 21,
+                  "line": 3,
+                },
+                "start": Position {
+                  "column": 14,
+                  "line": 3,
+                },
+              },
+              "name": "garbage",
+              "start": 30,
+              "type": "Identifier",
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 32,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 6,
+                "line": 3,
+              },
+            },
+            "test": Node {
+              "end": 27,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 11,
+                  "line": 3,
+                },
+                "start": Position {
+                  "column": 6,
+                  "line": 3,
+                },
+              },
+              "raw": "false",
+              "start": 22,
+              "type": "Literal",
+              "value": false,
+            },
+            "type": "ConditionalExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 20,
+              "line": 4,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 2,
+            },
+          },
+          "test": Object {
+            "left": Node {
+              "end": 1,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 1,
+                  "line": 1,
+                },
+                "start": Position {
+                  "column": 0,
+                  "line": 1,
+                },
+              },
+              "raw": "0",
+              "start": 0,
+              "type": "Literal",
+              "value": 0,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 14,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 2,
+                "line": 2,
+              },
+            },
+            "operator": "===",
+            "right": Node {
+              "end": 15,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 14,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 13,
+                  "line": 2,
+                },
+              },
+              "raw": "0",
+              "start": 14,
+              "type": "Literal",
+              "value": 0,
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "ConditionalExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "alternate": Node {
+            "end": 69,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 20,
+                "line": 4,
+              },
+              "start": Position {
+                "column": 6,
+                "line": 4,
+              },
+            },
+            "name": "anotherGarbage",
+            "start": 55,
+            "type": "Identifier",
+          },
+          "consequent": Object {
+            "alternate": Node {
+              "end": 48,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 32,
+                  "line": 3,
+                },
+                "start": Position {
+                  "column": 24,
+                  "line": 3,
+                },
+              },
+              "name": "Infinity",
+              "start": 40,
+              "type": "Identifier",
+            },
+            "consequent": Node {
+              "end": 37,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 21,
+                  "line": 3,
+                },
+                "start": Position {
+                  "column": 14,
+                  "line": 3,
+                },
+              },
+              "name": "garbage",
+              "start": 30,
+              "type": "Identifier",
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 32,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 6,
+                "line": 3,
+              },
+            },
+            "test": Node {
+              "end": 27,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 11,
+                  "line": 3,
+                },
+                "start": Position {
+                  "column": 6,
+                  "line": 3,
+                },
+              },
+              "raw": "false",
+              "start": 22,
+              "type": "Literal",
+              "value": false,
+            },
+            "type": "ConditionalExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 20,
+              "line": 4,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 2,
+            },
+          },
+          "test": Node {
+            "end": 4,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 4,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "raw": "true",
+            "start": 0,
+            "type": "Literal",
+            "value": true,
+          },
+          "type": "ConditionalExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "alternate": Node {
+            "end": 48,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 32,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 24,
+                "line": 3,
+              },
+            },
+            "name": "Infinity",
+            "start": 40,
+            "type": "Identifier",
+          },
+          "consequent": Node {
+            "end": 37,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 21,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 14,
+                "line": 3,
+              },
+            },
+            "name": "garbage",
+            "start": 30,
+            "type": "Identifier",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 32,
+              "line": 3,
+            },
+            "start": Position {
+              "column": 6,
+              "line": 3,
+            },
+          },
+          "test": Node {
+            "end": 27,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 11,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 6,
+                "line": 3,
+              },
+            },
+            "raw": "false",
+            "start": 22,
+            "type": "Literal",
+            "value": false,
+          },
+          "type": "ConditionalExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Node {
+          "end": 48,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 32,
+              "line": 3,
+            },
+            "start": Position {
+              "column": 24,
+              "line": 3,
+            },
+          },
+          "name": "Infinity",
+          "start": 40,
+          "type": "Identifier",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+]
+`;
+
+exports[`Test two statement substitution 1`] = `
+Array [
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "left": Node {
+              "end": 7,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 6,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 5,
+                  "line": 2,
+                },
+              },
+              "raw": "1",
+              "start": 6,
+              "type": "Literal",
+              "value": 1,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 10,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 5,
+                "line": 2,
+              },
+            },
+            "operator": "+",
+            "right": Node {
+              "end": 11,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 10,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 9,
+                  "line": 2,
+                },
+              },
+              "raw": "2",
+              "start": 10,
+              "type": "Literal",
+              "value": 2,
+            },
+            "type": "BinaryExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 21,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 2,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Node {
+              "end": 17,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 16,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 15,
+                  "line": 2,
+                },
+              },
+              "raw": "3",
+              "start": 16,
+              "type": "Literal",
+              "value": 3,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 20,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 15,
+                "line": 2,
+              },
+            },
+            "operator": "+",
+            "right": Node {
+              "end": 21,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 20,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 19,
+                  "line": 2,
+                },
+              },
+              "raw": "4",
+              "start": 20,
+              "type": "Literal",
+              "value": 4,
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 29,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 5,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 4,
+                "line": 3,
+              },
+            },
+            "raw": "3",
+            "start": 28,
+            "type": "Literal",
+            "value": 3,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 9,
+              "line": 3,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 3,
+            },
+          },
+          "operator": "*",
+          "right": Node {
+            "end": 33,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 9,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 3,
+              },
+            },
+            "raw": "5",
+            "start": 32,
+            "type": "Literal",
+            "value": 5,
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 1,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 1,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "raw": "3",
+            "start": 0,
+            "type": "Literal",
+            "value": 3,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 21,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 2,
+            },
+          },
+          "operator": "*",
+          "right": Object {
+            "left": Node {
+              "end": 17,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 16,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 15,
+                  "line": 2,
+                },
+              },
+              "raw": "3",
+              "start": 16,
+              "type": "Literal",
+              "value": 3,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 20,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 15,
+                "line": 2,
+              },
+            },
+            "operator": "+",
+            "right": Node {
+              "end": 21,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 20,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 19,
+                  "line": 2,
+                },
+              },
+              "raw": "4",
+              "start": 20,
+              "type": "Literal",
+              "value": 4,
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 29,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 5,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 4,
+                "line": 3,
+              },
+            },
+            "raw": "3",
+            "start": 28,
+            "type": "Literal",
+            "value": 3,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 9,
+              "line": 3,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 3,
+            },
+          },
+          "operator": "*",
+          "right": Node {
+            "end": 33,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 9,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 3,
+              },
+            },
+            "raw": "5",
+            "start": 32,
+            "type": "Literal",
+            "value": 5,
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 1,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 1,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "raw": "3",
+            "start": 0,
+            "type": "Literal",
+            "value": 3,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 21,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 2,
+            },
+          },
+          "operator": "*",
+          "right": Node {
+            "end": 1,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 1,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "raw": "7",
+            "start": 0,
+            "type": "Literal",
+            "value": 7,
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 29,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 5,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 4,
+                "line": 3,
+              },
+            },
+            "raw": "3",
+            "start": 28,
+            "type": "Literal",
+            "value": 3,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 9,
+              "line": 3,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 3,
+            },
+          },
+          "operator": "*",
+          "right": Node {
+            "end": 33,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 9,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 3,
+              },
+            },
+            "raw": "5",
+            "start": 32,
+            "type": "Literal",
+            "value": 5,
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Node {
+          "end": 2,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 2,
+              "line": 1,
+            },
+            "start": Position {
+              "column": 0,
+              "line": 1,
+            },
+          },
+          "raw": "21",
+          "start": 0,
+          "type": "Literal",
+          "value": 21,
+        },
+        "type": "ExpressionStatement",
+      },
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 29,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 5,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 4,
+                "line": 3,
+              },
+            },
+            "raw": "3",
+            "start": 28,
+            "type": "Literal",
+            "value": 3,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 9,
+              "line": 3,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 3,
+            },
+          },
+          "operator": "*",
+          "right": Node {
+            "end": 33,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 9,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 3,
+              },
+            },
+            "raw": "5",
+            "start": 32,
+            "type": "Literal",
+            "value": 5,
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 29,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 5,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 4,
+                "line": 3,
+              },
+            },
+            "raw": "3",
+            "start": 28,
+            "type": "Literal",
+            "value": 3,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 9,
+              "line": 3,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 3,
+            },
+          },
+          "operator": "*",
+          "right": Node {
+            "end": 33,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 9,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 8,
+                "line": 3,
+              },
+            },
+            "raw": "5",
+            "start": 32,
+            "type": "Literal",
+            "value": 5,
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Node {
+          "end": 2,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 2,
+              "line": 1,
+            },
+            "start": Position {
+              "column": 0,
+              "line": 1,
+            },
+          },
+          "raw": "15",
+          "start": 0,
+          "type": "Literal",
+          "value": 15,
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+]
+`;
+
+exports[`Test unary and binary boolean operations 1`] = `
+Array [
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "argument": Object {
+              "argument": Object {
+                "argument": Node {
+                  "end": 10,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 9,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 5,
+                      "line": 2,
+                    },
+                  },
+                  "raw": "true",
+                  "start": 6,
+                  "type": "Literal",
+                  "value": true,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 9,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 4,
+                    "line": 2,
+                  },
+                },
+                "operator": "!",
+                "prefix": true,
+                "type": "UnaryExpression",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 9,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 3,
+                  "line": 2,
+                },
+              },
+              "operator": "!",
+              "prefix": true,
+              "type": "UnaryExpression",
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 9,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 2,
+                "line": 2,
+              },
+            },
+            "operator": "!",
+            "prefix": true,
+            "type": "UnaryExpression",
+          },
+          "loc": undefined,
+          "operator": "||",
+          "right": Node {
+            "end": 18,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 17,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 13,
+                "line": 2,
+              },
+            },
+            "raw": "true",
+            "start": 14,
+            "type": "Literal",
+            "value": true,
+          },
+          "type": "LogicalExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "argument": Object {
+              "argument": Node {
+                "end": 5,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 5,
+                    "line": 1,
+                  },
+                  "start": Position {
+                    "column": 0,
+                    "line": 1,
+                  },
+                },
+                "raw": "false",
+                "start": 0,
+                "type": "Literal",
+                "value": false,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 9,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 3,
+                  "line": 2,
+                },
+              },
+              "operator": "!",
+              "prefix": true,
+              "type": "UnaryExpression",
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 9,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 2,
+                "line": 2,
+              },
+            },
+            "operator": "!",
+            "prefix": true,
+            "type": "UnaryExpression",
+          },
+          "loc": undefined,
+          "operator": "||",
+          "right": Node {
+            "end": 18,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 17,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 13,
+                "line": 2,
+              },
+            },
+            "raw": "true",
+            "start": 14,
+            "type": "Literal",
+            "value": true,
+          },
+          "type": "LogicalExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "argument": Node {
+              "end": 4,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 4,
+                  "line": 1,
+                },
+                "start": Position {
+                  "column": 0,
+                  "line": 1,
+                },
+              },
+              "raw": "true",
+              "start": 0,
+              "type": "Literal",
+              "value": true,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 9,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 2,
+                "line": 2,
+              },
+            },
+            "operator": "!",
+            "prefix": true,
+            "type": "UnaryExpression",
+          },
+          "loc": undefined,
+          "operator": "||",
+          "right": Node {
+            "end": 18,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 17,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 13,
+                "line": 2,
+              },
+            },
+            "raw": "true",
+            "start": 14,
+            "type": "Literal",
+            "value": true,
+          },
+          "type": "LogicalExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 5,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 5,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "raw": "false",
+            "start": 0,
+            "type": "Literal",
+            "value": false,
+          },
+          "loc": undefined,
+          "operator": "||",
+          "right": Node {
+            "end": 18,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 17,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 13,
+                "line": 2,
+              },
+            },
+            "raw": "true",
+            "start": 14,
+            "type": "Literal",
+            "value": true,
+          },
+          "type": "LogicalExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Node {
+          "end": 18,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 17,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 13,
+              "line": 2,
+            },
+          },
+          "raw": "true",
+          "start": 14,
+          "type": "Literal",
+          "value": true,
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+]
+`;
+
+exports[`assign undefined 1`] = `
+Array [
+  Object {
+    "body": Array [
+      Object {
+        "declarations": Array [
+          Object {
+            "id": Node {
+              "end": 10,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 9,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 2,
+                },
+              },
+              "name": "a",
+              "start": 9,
+              "type": "Identifier",
+            },
+            "init": Object {
+              "name": "undefined",
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "type": "VariableDeclarator",
+          },
+        ],
+        "kind": "const",
+        "loc": undefined,
+        "type": "VariableDeclaration",
+      },
+      Object {
+        "expression": Node {
+          "end": 27,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 3,
+              "line": 3,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 3,
+            },
+          },
+          "name": "a",
+          "start": 26,
+          "type": "Identifier",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "name": "undefined",
+          "type": "Identifier",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+]
+`;
+
+exports[`builtins return identifiers 1`] = `
+Array [
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "arguments": Array [],
+          "callee": Node {
+            "end": 11,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 10,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 2,
+                "line": 2,
+              },
+            },
+            "name": "math_sin",
+            "start": 3,
+            "type": "Identifier",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 12,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 2,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Node {
+          "end": 3,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 3,
+              "line": 1,
+            },
+            "start": Position {
+              "column": 0,
+              "line": 1,
+            },
+          },
+          "name": "NaN",
+          "start": 0,
+          "type": "Identifier",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+]
+`;
+
+exports[`even odd mutual 1`] = `
+Array [
+  Object {
+    "body": Array [
+      Object {
+        "declarations": Array [
+          Object {
+            "id": Node {
+              "end": 12,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 11,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 2,
+                },
+              },
+              "name": "odd",
+              "start": 9,
+              "type": "Identifier",
+            },
+            "init": Object {
+              "body": Object {
+                "alternate": Object {
+                  "arguments": Array [
+                    Object {
+                      "left": Node {
+                        "end": 44,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 43,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 42,
+                            "line": 2,
+                          },
+                        },
+                        "name": "n",
+                        "start": 43,
+                        "type": "Identifier",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 45,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 42,
+                          "line": 2,
+                        },
+                      },
+                      "operator": "-",
+                      "right": Node {
+                        "end": 46,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 45,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 44,
+                            "line": 2,
+                          },
+                        },
+                        "raw": "1",
+                        "start": 45,
+                        "type": "Literal",
+                        "value": 1,
+                      },
+                      "type": "BinaryExpression",
+                    },
+                  ],
+                  "callee": Node {
+                    "end": 42,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 41,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 37,
+                        "line": 2,
+                      },
+                    },
+                    "name": "even",
+                    "start": 38,
+                    "type": "Identifier",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 46,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 37,
+                      "line": 2,
+                    },
+                  },
+                  "type": "CallExpression",
+                },
+                "consequent": Node {
+                  "end": 35,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 34,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 29,
+                      "line": 2,
+                    },
+                  },
+                  "raw": "false",
+                  "start": 30,
+                  "type": "Literal",
+                  "value": false,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 46,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 19,
+                    "line": 2,
+                  },
+                },
+                "test": Object {
+                  "left": Node {
+                    "end": 21,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 20,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 19,
+                        "line": 2,
+                      },
+                    },
+                    "name": "n",
+                    "start": 20,
+                    "type": "Identifier",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 26,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 19,
+                      "line": 2,
+                    },
+                  },
+                  "operator": "===",
+                  "right": Node {
+                    "end": 27,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 26,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 25,
+                        "line": 2,
+                      },
+                    },
+                    "raw": "0",
+                    "start": 26,
+                    "type": "Literal",
+                    "value": 0,
+                  },
+                  "type": "BinaryExpression",
+                },
+                "type": "ConditionalExpression",
+              },
+              "expression": true,
+              "generator": false,
+              "loc": undefined,
+              "params": Array [
+                Node {
+                  "end": 16,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 15,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 14,
+                      "line": 2,
+                    },
+                  },
+                  "name": "n",
+                  "start": 15,
+                  "type": "Identifier",
+                },
+              ],
+              "type": "ArrowFunctionExpression",
+            },
+            "loc": undefined,
+            "type": "VariableDeclarator",
+          },
+        ],
+        "kind": "const",
+        "loc": undefined,
+        "type": "VariableDeclaration",
+      },
+      Object {
+        "declarations": Array [
+          Object {
+            "id": Node {
+              "end": 61,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 12,
+                  "line": 3,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 3,
+                },
+              },
+              "name": "even",
+              "start": 57,
+              "type": "Identifier",
+            },
+            "init": Object {
+              "body": Object {
+                "left": Object {
+                  "left": Node {
+                    "end": 70,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 21,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 20,
+                        "line": 3,
+                      },
+                    },
+                    "name": "n",
+                    "start": 69,
+                    "type": "Identifier",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 27,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 20,
+                      "line": 3,
+                    },
+                  },
+                  "operator": "===",
+                  "right": Node {
+                    "end": 76,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 27,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 26,
+                        "line": 3,
+                      },
+                    },
+                    "raw": "0",
+                    "start": 75,
+                    "type": "Literal",
+                    "value": 0,
+                  },
+                  "type": "BinaryExpression",
+                },
+                "loc": undefined,
+                "operator": "||",
+                "right": Object {
+                  "arguments": Array [
+                    Object {
+                      "left": Node {
+                        "end": 85,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 36,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 35,
+                            "line": 3,
+                          },
+                        },
+                        "name": "n",
+                        "start": 84,
+                        "type": "Identifier",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 38,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 35,
+                          "line": 3,
+                        },
+                      },
+                      "operator": "-",
+                      "right": Node {
+                        "end": 87,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 38,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 37,
+                            "line": 3,
+                          },
+                        },
+                        "raw": "1",
+                        "start": 86,
+                        "type": "Literal",
+                        "value": 1,
+                      },
+                      "type": "BinaryExpression",
+                    },
+                  ],
+                  "callee": Node {
+                    "end": 83,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 34,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 31,
+                        "line": 3,
+                      },
+                    },
+                    "name": "odd",
+                    "start": 80,
+                    "type": "Identifier",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 39,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 31,
+                      "line": 3,
+                    },
+                  },
+                  "type": "CallExpression",
+                },
+                "type": "LogicalExpression",
+              },
+              "expression": true,
+              "generator": false,
+              "loc": undefined,
+              "params": Array [
+                Node {
+                  "end": 65,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 16,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 15,
+                      "line": 3,
+                    },
+                  },
+                  "name": "n",
+                  "start": 64,
+                  "type": "Identifier",
+                },
+              ],
+              "type": "ArrowFunctionExpression",
+            },
+            "loc": undefined,
+            "type": "VariableDeclarator",
+          },
+        ],
+        "kind": "const",
+        "loc": undefined,
+        "type": "VariableDeclaration",
+      },
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Node {
+              "end": 98,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 8,
+                  "line": 4,
+                },
+                "start": Position {
+                  "column": 7,
+                  "line": 4,
+                },
+              },
+              "raw": "1",
+              "start": 97,
+              "type": "Literal",
+              "value": 1,
+            },
+          ],
+          "callee": Node {
+            "end": 96,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 6,
+                "line": 4,
+              },
+              "start": Position {
+                "column": 2,
+                "line": 4,
+              },
+            },
+            "name": "even",
+            "start": 92,
+            "type": "Identifier",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 9,
+              "line": 4,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 4,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "declarations": Array [
+          Object {
+            "id": Node {
+              "end": 61,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 12,
+                  "line": 3,
+                },
+                "start": Position {
+                  "column": 8,
+                  "line": 3,
+                },
+              },
+              "name": "even",
+              "start": 57,
+              "type": "Identifier",
+            },
+            "init": Object {
+              "body": Object {
+                "left": Object {
+                  "left": Node {
+                    "end": 70,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 21,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 20,
+                        "line": 3,
+                      },
+                    },
+                    "name": "n",
+                    "start": 69,
+                    "type": "Identifier",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 27,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 20,
+                      "line": 3,
+                    },
+                  },
+                  "operator": "===",
+                  "right": Node {
+                    "end": 76,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 27,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 26,
+                        "line": 3,
+                      },
+                    },
+                    "raw": "0",
+                    "start": 75,
+                    "type": "Literal",
+                    "value": 0,
+                  },
+                  "type": "BinaryExpression",
+                },
+                "loc": undefined,
+                "operator": "||",
+                "right": Object {
+                  "arguments": Array [
+                    Object {
+                      "left": Node {
+                        "end": 85,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 36,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 35,
+                            "line": 3,
+                          },
+                        },
+                        "name": "n",
+                        "start": 84,
+                        "type": "Identifier",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 38,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 35,
+                          "line": 3,
+                        },
+                      },
+                      "operator": "-",
+                      "right": Node {
+                        "end": 87,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 38,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 37,
+                            "line": 3,
+                          },
+                        },
+                        "raw": "1",
+                        "start": 86,
+                        "type": "Literal",
+                        "value": 1,
+                      },
+                      "type": "BinaryExpression",
+                    },
+                  ],
+                  "callee": Object {
+                    "body": Object {
+                      "alternate": Object {
+                        "arguments": Array [
+                          Object {
+                            "left": Node {
+                              "end": 44,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 43,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 42,
+                                  "line": 2,
+                                },
+                              },
+                              "name": "n",
+                              "start": 43,
+                              "type": "Identifier",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 45,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 42,
+                                "line": 2,
+                              },
+                            },
+                            "operator": "-",
+                            "right": Node {
+                              "end": 46,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 45,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 44,
+                                  "line": 2,
+                                },
+                              },
+                              "raw": "1",
+                              "start": 45,
+                              "type": "Literal",
+                              "value": 1,
+                            },
+                            "type": "BinaryExpression",
+                          },
+                        ],
+                        "callee": Node {
+                          "end": 42,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 41,
+                              "line": 2,
+                            },
+                            "start": Position {
+                              "column": 37,
+                              "line": 2,
+                            },
+                          },
+                          "name": "even",
+                          "start": 38,
+                          "type": "Identifier",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 46,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 37,
+                            "line": 2,
+                          },
+                        },
+                        "type": "CallExpression",
+                      },
+                      "consequent": Node {
+                        "end": 35,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 34,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 29,
+                            "line": 2,
+                          },
+                        },
+                        "raw": "false",
+                        "start": 30,
+                        "type": "Literal",
+                        "value": false,
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 46,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 19,
+                          "line": 2,
+                        },
+                      },
+                      "test": Object {
+                        "left": Node {
+                          "end": 21,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 20,
+                              "line": 2,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 2,
+                            },
+                          },
+                          "name": "n",
+                          "start": 20,
+                          "type": "Identifier",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 26,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 2,
+                          },
+                        },
+                        "operator": "===",
+                        "right": Node {
+                          "end": 27,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 26,
+                              "line": 2,
+                            },
+                            "start": Position {
+                              "column": 25,
+                              "line": 2,
+                            },
+                          },
+                          "raw": "0",
+                          "start": 26,
+                          "type": "Literal",
+                          "value": 0,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "type": "ConditionalExpression",
+                    },
+                    "expression": true,
+                    "generator": false,
+                    "loc": undefined,
+                    "params": Array [
+                      Node {
+                        "end": 16,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 15,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 14,
+                            "line": 2,
+                          },
+                        },
+                        "name": "n",
+                        "start": 15,
+                        "type": "Identifier",
+                      },
+                    ],
+                    "type": "ArrowFunctionExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 39,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 31,
+                      "line": 3,
+                    },
+                  },
+                  "type": "CallExpression",
+                },
+                "type": "LogicalExpression",
+              },
+              "expression": true,
+              "generator": false,
+              "loc": undefined,
+              "params": Array [
+                Node {
+                  "end": 65,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 16,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 15,
+                      "line": 3,
+                    },
+                  },
+                  "name": "n",
+                  "start": 64,
+                  "type": "Identifier",
+                },
+              ],
+              "type": "ArrowFunctionExpression",
+            },
+            "loc": undefined,
+            "type": "VariableDeclarator",
+          },
+        ],
+        "kind": "const",
+        "loc": undefined,
+        "type": "VariableDeclaration",
+      },
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Node {
+              "end": 98,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 8,
+                  "line": 4,
+                },
+                "start": Position {
+                  "column": 7,
+                  "line": 4,
+                },
+              },
+              "raw": "1",
+              "start": 97,
+              "type": "Literal",
+              "value": 1,
+            },
+          ],
+          "callee": Node {
+            "end": 96,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 6,
+                "line": 4,
+              },
+              "start": Position {
+                "column": 2,
+                "line": 4,
+              },
+            },
+            "name": "even",
+            "start": 92,
+            "type": "Identifier",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 9,
+              "line": 4,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 4,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Node {
+              "end": 98,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 8,
+                  "line": 4,
+                },
+                "start": Position {
+                  "column": 7,
+                  "line": 4,
+                },
+              },
+              "raw": "1",
+              "start": 97,
+              "type": "Literal",
+              "value": 1,
+            },
+          ],
+          "callee": Object {
+            "body": Object {
+              "left": Object {
+                "left": Node {
+                  "end": 70,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 21,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 20,
+                      "line": 3,
+                    },
+                  },
+                  "name": "n",
+                  "start": 69,
+                  "type": "Identifier",
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 27,
+                    "line": 3,
+                  },
+                  "start": Position {
+                    "column": 20,
+                    "line": 3,
+                  },
+                },
+                "operator": "===",
+                "right": Node {
+                  "end": 76,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 27,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 26,
+                      "line": 3,
+                    },
+                  },
+                  "raw": "0",
+                  "start": 75,
+                  "type": "Literal",
+                  "value": 0,
+                },
+                "type": "BinaryExpression",
+              },
+              "loc": undefined,
+              "operator": "||",
+              "right": Object {
+                "arguments": Array [
+                  Object {
+                    "left": Node {
+                      "end": 85,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 36,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 35,
+                          "line": 3,
+                        },
+                      },
+                      "name": "n",
+                      "start": 84,
+                      "type": "Identifier",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 38,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 35,
+                        "line": 3,
+                      },
+                    },
+                    "operator": "-",
+                    "right": Node {
+                      "end": 87,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 38,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 37,
+                          "line": 3,
+                        },
+                      },
+                      "raw": "1",
+                      "start": 86,
+                      "type": "Literal",
+                      "value": 1,
+                    },
+                    "type": "BinaryExpression",
+                  },
+                ],
+                "callee": Object {
+                  "body": Object {
+                    "alternate": Object {
+                      "arguments": Array [
+                        Object {
+                          "left": Node {
+                            "end": 44,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 43,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 42,
+                                "line": 2,
+                              },
+                            },
+                            "name": "n",
+                            "start": 43,
+                            "type": "Identifier",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 45,
+                              "line": 2,
+                            },
+                            "start": Position {
+                              "column": 42,
+                              "line": 2,
+                            },
+                          },
+                          "operator": "-",
+                          "right": Node {
+                            "end": 46,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 45,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 44,
+                                "line": 2,
+                              },
+                            },
+                            "raw": "1",
+                            "start": 45,
+                            "type": "Literal",
+                            "value": 1,
+                          },
+                          "type": "BinaryExpression",
+                        },
+                      ],
+                      "callee": [Circular],
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 46,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 37,
+                          "line": 2,
+                        },
+                      },
+                      "type": "CallExpression",
+                    },
+                    "consequent": Node {
+                      "end": 35,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 34,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 29,
+                          "line": 2,
+                        },
+                      },
+                      "raw": "false",
+                      "start": 30,
+                      "type": "Literal",
+                      "value": false,
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 46,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 19,
+                        "line": 2,
+                      },
+                    },
+                    "test": Object {
+                      "left": Node {
+                        "end": 21,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 20,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 2,
+                          },
+                        },
+                        "name": "n",
+                        "start": 20,
+                        "type": "Identifier",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 26,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 19,
+                          "line": 2,
+                        },
+                      },
+                      "operator": "===",
+                      "right": Node {
+                        "end": 27,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 26,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 25,
+                            "line": 2,
+                          },
+                        },
+                        "raw": "0",
+                        "start": 26,
+                        "type": "Literal",
+                        "value": 0,
+                      },
+                      "type": "BinaryExpression",
+                    },
+                    "type": "ConditionalExpression",
+                  },
+                  "expression": true,
+                  "generator": false,
+                  "loc": undefined,
+                  "params": Array [
+                    Node {
+                      "end": 16,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 15,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 14,
+                          "line": 2,
+                        },
+                      },
+                      "name": "n",
+                      "start": 15,
+                      "type": "Identifier",
+                    },
+                  ],
+                  "type": "ArrowFunctionExpression",
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 39,
+                    "line": 3,
+                  },
+                  "start": Position {
+                    "column": 31,
+                    "line": 3,
+                  },
+                },
+                "type": "CallExpression",
+              },
+              "type": "LogicalExpression",
+            },
+            "expression": true,
+            "generator": false,
+            "loc": undefined,
+            "params": Array [
+              Node {
+                "end": 65,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 16,
+                    "line": 3,
+                  },
+                  "start": Position {
+                    "column": 15,
+                    "line": 3,
+                  },
+                },
+                "name": "n",
+                "start": 64,
+                "type": "Identifier",
+              },
+            ],
+            "type": "ArrowFunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 9,
+              "line": 4,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 4,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 1,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 27,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 20,
+                "line": 3,
+              },
+            },
+            "operator": "===",
+            "right": Node {
+              "end": 76,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 27,
+                  "line": 3,
+                },
+                "start": Position {
+                  "column": 26,
+                  "line": 3,
+                },
+              },
+              "raw": "0",
+              "start": 75,
+              "type": "Literal",
+              "value": 0,
+            },
+            "type": "BinaryExpression",
+          },
+          "loc": undefined,
+          "operator": "||",
+          "right": Object {
+            "arguments": Array [
+              Object {
+                "left": Object {
+                  "loc": undefined,
+                  "type": "Literal",
+                  "value": 1,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 38,
+                    "line": 3,
+                  },
+                  "start": Position {
+                    "column": 35,
+                    "line": 3,
+                  },
+                },
+                "operator": "-",
+                "right": Node {
+                  "end": 87,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 38,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 37,
+                      "line": 3,
+                    },
+                  },
+                  "raw": "1",
+                  "start": 86,
+                  "type": "Literal",
+                  "value": 1,
+                },
+                "type": "BinaryExpression",
+              },
+            ],
+            "callee": Object {
+              "body": Object {
+                "alternate": Object {
+                  "arguments": Array [
+                    Object {
+                      "left": Node {
+                        "end": 44,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 43,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 42,
+                            "line": 2,
+                          },
+                        },
+                        "name": "n",
+                        "start": 43,
+                        "type": "Identifier",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 45,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 42,
+                          "line": 2,
+                        },
+                      },
+                      "operator": "-",
+                      "right": Node {
+                        "end": 46,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 45,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 44,
+                            "line": 2,
+                          },
+                        },
+                        "raw": "1",
+                        "start": 45,
+                        "type": "Literal",
+                        "value": 1,
+                      },
+                      "type": "BinaryExpression",
+                    },
+                  ],
+                  "callee": Object {
+                    "body": Object {
+                      "left": Object {
+                        "left": Node {
+                          "end": 70,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 21,
+                              "line": 3,
+                            },
+                            "start": Position {
+                              "column": 20,
+                              "line": 3,
+                            },
+                          },
+                          "name": "n",
+                          "start": 69,
+                          "type": "Identifier",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 27,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 20,
+                            "line": 3,
+                          },
+                        },
+                        "operator": "===",
+                        "right": Node {
+                          "end": 76,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 27,
+                              "line": 3,
+                            },
+                            "start": Position {
+                              "column": 26,
+                              "line": 3,
+                            },
+                          },
+                          "raw": "0",
+                          "start": 75,
+                          "type": "Literal",
+                          "value": 0,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": undefined,
+                      "operator": "||",
+                      "right": Object {
+                        "arguments": Array [
+                          Object {
+                            "left": Node {
+                              "end": 85,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 36,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 35,
+                                  "line": 3,
+                                },
+                              },
+                              "name": "n",
+                              "start": 84,
+                              "type": "Identifier",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 38,
+                                "line": 3,
+                              },
+                              "start": Position {
+                                "column": 35,
+                                "line": 3,
+                              },
+                            },
+                            "operator": "-",
+                            "right": Node {
+                              "end": 87,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 38,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 37,
+                                  "line": 3,
+                                },
+                              },
+                              "raw": "1",
+                              "start": 86,
+                              "type": "Literal",
+                              "value": 1,
+                            },
+                            "type": "BinaryExpression",
+                          },
+                        ],
+                        "callee": [Circular],
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 39,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 31,
+                            "line": 3,
+                          },
+                        },
+                        "type": "CallExpression",
+                      },
+                      "type": "LogicalExpression",
+                    },
+                    "expression": true,
+                    "generator": false,
+                    "loc": undefined,
+                    "params": Array [
+                      Node {
+                        "end": 65,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 16,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 15,
+                            "line": 3,
+                          },
+                        },
+                        "name": "n",
+                        "start": 64,
+                        "type": "Identifier",
+                      },
+                    ],
+                    "type": "ArrowFunctionExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 46,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 37,
+                      "line": 2,
+                    },
+                  },
+                  "type": "CallExpression",
+                },
+                "consequent": Node {
+                  "end": 35,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 34,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 29,
+                      "line": 2,
+                    },
+                  },
+                  "raw": "false",
+                  "start": 30,
+                  "type": "Literal",
+                  "value": false,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 46,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 19,
+                    "line": 2,
+                  },
+                },
+                "test": Object {
+                  "left": Node {
+                    "end": 21,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 20,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 19,
+                        "line": 2,
+                      },
+                    },
+                    "name": "n",
+                    "start": 20,
+                    "type": "Identifier",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 26,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 19,
+                      "line": 2,
+                    },
+                  },
+                  "operator": "===",
+                  "right": Node {
+                    "end": 27,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 26,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 25,
+                        "line": 2,
+                      },
+                    },
+                    "raw": "0",
+                    "start": 26,
+                    "type": "Literal",
+                    "value": 0,
+                  },
+                  "type": "BinaryExpression",
+                },
+                "type": "ConditionalExpression",
+              },
+              "expression": true,
+              "generator": false,
+              "loc": undefined,
+              "params": Array [
+                Node {
+                  "end": 16,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 15,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 14,
+                      "line": 2,
+                    },
+                  },
+                  "name": "n",
+                  "start": 15,
+                  "type": "Identifier",
+                },
+              ],
+              "type": "ArrowFunctionExpression",
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 39,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 31,
+                "line": 3,
+              },
+            },
+            "type": "CallExpression",
+          },
+          "type": "LogicalExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 5,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 5,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "raw": "false",
+            "start": 0,
+            "type": "Literal",
+            "value": false,
+          },
+          "loc": undefined,
+          "operator": "||",
+          "right": Object {
+            "arguments": Array [
+              Object {
+                "left": Object {
+                  "loc": undefined,
+                  "type": "Literal",
+                  "value": 1,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 38,
+                    "line": 3,
+                  },
+                  "start": Position {
+                    "column": 35,
+                    "line": 3,
+                  },
+                },
+                "operator": "-",
+                "right": Node {
+                  "end": 87,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 38,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 37,
+                      "line": 3,
+                    },
+                  },
+                  "raw": "1",
+                  "start": 86,
+                  "type": "Literal",
+                  "value": 1,
+                },
+                "type": "BinaryExpression",
+              },
+            ],
+            "callee": Object {
+              "body": Object {
+                "alternate": Object {
+                  "arguments": Array [
+                    Object {
+                      "left": Node {
+                        "end": 44,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 43,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 42,
+                            "line": 2,
+                          },
+                        },
+                        "name": "n",
+                        "start": 43,
+                        "type": "Identifier",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 45,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 42,
+                          "line": 2,
+                        },
+                      },
+                      "operator": "-",
+                      "right": Node {
+                        "end": 46,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 45,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 44,
+                            "line": 2,
+                          },
+                        },
+                        "raw": "1",
+                        "start": 45,
+                        "type": "Literal",
+                        "value": 1,
+                      },
+                      "type": "BinaryExpression",
+                    },
+                  ],
+                  "callee": Object {
+                    "body": Object {
+                      "left": Object {
+                        "left": Node {
+                          "end": 70,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 21,
+                              "line": 3,
+                            },
+                            "start": Position {
+                              "column": 20,
+                              "line": 3,
+                            },
+                          },
+                          "name": "n",
+                          "start": 69,
+                          "type": "Identifier",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 27,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 20,
+                            "line": 3,
+                          },
+                        },
+                        "operator": "===",
+                        "right": Node {
+                          "end": 76,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 27,
+                              "line": 3,
+                            },
+                            "start": Position {
+                              "column": 26,
+                              "line": 3,
+                            },
+                          },
+                          "raw": "0",
+                          "start": 75,
+                          "type": "Literal",
+                          "value": 0,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": undefined,
+                      "operator": "||",
+                      "right": Object {
+                        "arguments": Array [
+                          Object {
+                            "left": Node {
+                              "end": 85,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 36,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 35,
+                                  "line": 3,
+                                },
+                              },
+                              "name": "n",
+                              "start": 84,
+                              "type": "Identifier",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 38,
+                                "line": 3,
+                              },
+                              "start": Position {
+                                "column": 35,
+                                "line": 3,
+                              },
+                            },
+                            "operator": "-",
+                            "right": Node {
+                              "end": 87,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 38,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 37,
+                                  "line": 3,
+                                },
+                              },
+                              "raw": "1",
+                              "start": 86,
+                              "type": "Literal",
+                              "value": 1,
+                            },
+                            "type": "BinaryExpression",
+                          },
+                        ],
+                        "callee": [Circular],
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 39,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 31,
+                            "line": 3,
+                          },
+                        },
+                        "type": "CallExpression",
+                      },
+                      "type": "LogicalExpression",
+                    },
+                    "expression": true,
+                    "generator": false,
+                    "loc": undefined,
+                    "params": Array [
+                      Node {
+                        "end": 65,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 16,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 15,
+                            "line": 3,
+                          },
+                        },
+                        "name": "n",
+                        "start": 64,
+                        "type": "Identifier",
+                      },
+                    ],
+                    "type": "ArrowFunctionExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 46,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 37,
+                      "line": 2,
+                    },
+                  },
+                  "type": "CallExpression",
+                },
+                "consequent": Node {
+                  "end": 35,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 34,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 29,
+                      "line": 2,
+                    },
+                  },
+                  "raw": "false",
+                  "start": 30,
+                  "type": "Literal",
+                  "value": false,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 46,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 19,
+                    "line": 2,
+                  },
+                },
+                "test": Object {
+                  "left": Node {
+                    "end": 21,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 20,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 19,
+                        "line": 2,
+                      },
+                    },
+                    "name": "n",
+                    "start": 20,
+                    "type": "Identifier",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 26,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 19,
+                      "line": 2,
+                    },
+                  },
+                  "operator": "===",
+                  "right": Node {
+                    "end": 27,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 26,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 25,
+                        "line": 2,
+                      },
+                    },
+                    "raw": "0",
+                    "start": 26,
+                    "type": "Literal",
+                    "value": 0,
+                  },
+                  "type": "BinaryExpression",
+                },
+                "type": "ConditionalExpression",
+              },
+              "expression": true,
+              "generator": false,
+              "loc": undefined,
+              "params": Array [
+                Node {
+                  "end": 16,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 15,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 14,
+                      "line": 2,
+                    },
+                  },
+                  "name": "n",
+                  "start": 15,
+                  "type": "Identifier",
+                },
+              ],
+              "type": "ArrowFunctionExpression",
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 39,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 31,
+                "line": 3,
+              },
+            },
+            "type": "CallExpression",
+          },
+          "type": "LogicalExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Object {
+              "left": Object {
+                "loc": undefined,
+                "type": "Literal",
+                "value": 1,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 38,
+                  "line": 3,
+                },
+                "start": Position {
+                  "column": 35,
+                  "line": 3,
+                },
+              },
+              "operator": "-",
+              "right": Node {
+                "end": 87,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 38,
+                    "line": 3,
+                  },
+                  "start": Position {
+                    "column": 37,
+                    "line": 3,
+                  },
+                },
+                "raw": "1",
+                "start": 86,
+                "type": "Literal",
+                "value": 1,
+              },
+              "type": "BinaryExpression",
+            },
+          ],
+          "callee": Object {
+            "body": Object {
+              "alternate": Object {
+                "arguments": Array [
+                  Object {
+                    "left": Node {
+                      "end": 44,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 43,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 42,
+                          "line": 2,
+                        },
+                      },
+                      "name": "n",
+                      "start": 43,
+                      "type": "Identifier",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 45,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 42,
+                        "line": 2,
+                      },
+                    },
+                    "operator": "-",
+                    "right": Node {
+                      "end": 46,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 45,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 44,
+                          "line": 2,
+                        },
+                      },
+                      "raw": "1",
+                      "start": 45,
+                      "type": "Literal",
+                      "value": 1,
+                    },
+                    "type": "BinaryExpression",
+                  },
+                ],
+                "callee": Object {
+                  "body": Object {
+                    "left": Object {
+                      "left": Node {
+                        "end": 70,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 21,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 20,
+                            "line": 3,
+                          },
+                        },
+                        "name": "n",
+                        "start": 69,
+                        "type": "Identifier",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 27,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 20,
+                          "line": 3,
+                        },
+                      },
+                      "operator": "===",
+                      "right": Node {
+                        "end": 76,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 27,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 26,
+                            "line": 3,
+                          },
+                        },
+                        "raw": "0",
+                        "start": 75,
+                        "type": "Literal",
+                        "value": 0,
+                      },
+                      "type": "BinaryExpression",
+                    },
+                    "loc": undefined,
+                    "operator": "||",
+                    "right": Object {
+                      "arguments": Array [
+                        Object {
+                          "left": Node {
+                            "end": 85,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 36,
+                                "line": 3,
+                              },
+                              "start": Position {
+                                "column": 35,
+                                "line": 3,
+                              },
+                            },
+                            "name": "n",
+                            "start": 84,
+                            "type": "Identifier",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 38,
+                              "line": 3,
+                            },
+                            "start": Position {
+                              "column": 35,
+                              "line": 3,
+                            },
+                          },
+                          "operator": "-",
+                          "right": Node {
+                            "end": 87,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 38,
+                                "line": 3,
+                              },
+                              "start": Position {
+                                "column": 37,
+                                "line": 3,
+                              },
+                            },
+                            "raw": "1",
+                            "start": 86,
+                            "type": "Literal",
+                            "value": 1,
+                          },
+                          "type": "BinaryExpression",
+                        },
+                      ],
+                      "callee": [Circular],
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 39,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 31,
+                          "line": 3,
+                        },
+                      },
+                      "type": "CallExpression",
+                    },
+                    "type": "LogicalExpression",
+                  },
+                  "expression": true,
+                  "generator": false,
+                  "loc": undefined,
+                  "params": Array [
+                    Node {
+                      "end": 65,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 16,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 15,
+                          "line": 3,
+                        },
+                      },
+                      "name": "n",
+                      "start": 64,
+                      "type": "Identifier",
+                    },
+                  ],
+                  "type": "ArrowFunctionExpression",
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 46,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 37,
+                    "line": 2,
+                  },
+                },
+                "type": "CallExpression",
+              },
+              "consequent": Node {
+                "end": 35,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 34,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 29,
+                    "line": 2,
+                  },
+                },
+                "raw": "false",
+                "start": 30,
+                "type": "Literal",
+                "value": false,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 46,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 19,
+                  "line": 2,
+                },
+              },
+              "test": Object {
+                "left": Node {
+                  "end": 21,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 20,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 19,
+                      "line": 2,
+                    },
+                  },
+                  "name": "n",
+                  "start": 20,
+                  "type": "Identifier",
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 19,
+                    "line": 2,
+                  },
+                },
+                "operator": "===",
+                "right": Node {
+                  "end": 27,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 26,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 25,
+                      "line": 2,
+                    },
+                  },
+                  "raw": "0",
+                  "start": 26,
+                  "type": "Literal",
+                  "value": 0,
+                },
+                "type": "BinaryExpression",
+              },
+              "type": "ConditionalExpression",
+            },
+            "expression": true,
+            "generator": false,
+            "loc": undefined,
+            "params": Array [
+              Node {
+                "end": 16,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 15,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 14,
+                    "line": 2,
+                  },
+                },
+                "name": "n",
+                "start": 15,
+                "type": "Identifier",
+              },
+            ],
+            "type": "ArrowFunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 39,
+              "line": 3,
+            },
+            "start": Position {
+              "column": 31,
+              "line": 3,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Node {
+              "end": 1,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 1,
+                  "line": 1,
+                },
+                "start": Position {
+                  "column": 0,
+                  "line": 1,
+                },
+              },
+              "raw": "0",
+              "start": 0,
+              "type": "Literal",
+              "value": 0,
+            },
+          ],
+          "callee": Object {
+            "body": Object {
+              "alternate": Object {
+                "arguments": Array [
+                  Object {
+                    "left": Node {
+                      "end": 44,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 43,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 42,
+                          "line": 2,
+                        },
+                      },
+                      "name": "n",
+                      "start": 43,
+                      "type": "Identifier",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 45,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 42,
+                        "line": 2,
+                      },
+                    },
+                    "operator": "-",
+                    "right": Node {
+                      "end": 46,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 45,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 44,
+                          "line": 2,
+                        },
+                      },
+                      "raw": "1",
+                      "start": 45,
+                      "type": "Literal",
+                      "value": 1,
+                    },
+                    "type": "BinaryExpression",
+                  },
+                ],
+                "callee": Object {
+                  "body": Object {
+                    "left": Object {
+                      "left": Node {
+                        "end": 70,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 21,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 20,
+                            "line": 3,
+                          },
+                        },
+                        "name": "n",
+                        "start": 69,
+                        "type": "Identifier",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 27,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 20,
+                          "line": 3,
+                        },
+                      },
+                      "operator": "===",
+                      "right": Node {
+                        "end": 76,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 27,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 26,
+                            "line": 3,
+                          },
+                        },
+                        "raw": "0",
+                        "start": 75,
+                        "type": "Literal",
+                        "value": 0,
+                      },
+                      "type": "BinaryExpression",
+                    },
+                    "loc": undefined,
+                    "operator": "||",
+                    "right": Object {
+                      "arguments": Array [
+                        Object {
+                          "left": Node {
+                            "end": 85,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 36,
+                                "line": 3,
+                              },
+                              "start": Position {
+                                "column": 35,
+                                "line": 3,
+                              },
+                            },
+                            "name": "n",
+                            "start": 84,
+                            "type": "Identifier",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 38,
+                              "line": 3,
+                            },
+                            "start": Position {
+                              "column": 35,
+                              "line": 3,
+                            },
+                          },
+                          "operator": "-",
+                          "right": Node {
+                            "end": 87,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 38,
+                                "line": 3,
+                              },
+                              "start": Position {
+                                "column": 37,
+                                "line": 3,
+                              },
+                            },
+                            "raw": "1",
+                            "start": 86,
+                            "type": "Literal",
+                            "value": 1,
+                          },
+                          "type": "BinaryExpression",
+                        },
+                      ],
+                      "callee": [Circular],
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 39,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 31,
+                          "line": 3,
+                        },
+                      },
+                      "type": "CallExpression",
+                    },
+                    "type": "LogicalExpression",
+                  },
+                  "expression": true,
+                  "generator": false,
+                  "loc": undefined,
+                  "params": Array [
+                    Node {
+                      "end": 65,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 16,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 15,
+                          "line": 3,
+                        },
+                      },
+                      "name": "n",
+                      "start": 64,
+                      "type": "Identifier",
+                    },
+                  ],
+                  "type": "ArrowFunctionExpression",
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 46,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 37,
+                    "line": 2,
+                  },
+                },
+                "type": "CallExpression",
+              },
+              "consequent": Node {
+                "end": 35,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 34,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 29,
+                    "line": 2,
+                  },
+                },
+                "raw": "false",
+                "start": 30,
+                "type": "Literal",
+                "value": false,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 46,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 19,
+                  "line": 2,
+                },
+              },
+              "test": Object {
+                "left": Node {
+                  "end": 21,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 20,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 19,
+                      "line": 2,
+                    },
+                  },
+                  "name": "n",
+                  "start": 20,
+                  "type": "Identifier",
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 26,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 19,
+                    "line": 2,
+                  },
+                },
+                "operator": "===",
+                "right": Node {
+                  "end": 27,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 26,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 25,
+                      "line": 2,
+                    },
+                  },
+                  "raw": "0",
+                  "start": 26,
+                  "type": "Literal",
+                  "value": 0,
+                },
+                "type": "BinaryExpression",
+              },
+              "type": "ConditionalExpression",
+            },
+            "expression": true,
+            "generator": false,
+            "loc": undefined,
+            "params": Array [
+              Node {
+                "end": 16,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 15,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 14,
+                    "line": 2,
+                  },
+                },
+                "name": "n",
+                "start": 15,
+                "type": "Identifier",
+              },
+            ],
+            "type": "ArrowFunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 39,
+              "line": 3,
+            },
+            "start": Position {
+              "column": 31,
+              "line": 3,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "alternate": Object {
+            "arguments": Array [
+              Object {
+                "left": Object {
+                  "loc": undefined,
+                  "type": "Literal",
+                  "value": 0,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 45,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 42,
+                    "line": 2,
+                  },
+                },
+                "operator": "-",
+                "right": Node {
+                  "end": 46,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 45,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 44,
+                      "line": 2,
+                    },
+                  },
+                  "raw": "1",
+                  "start": 45,
+                  "type": "Literal",
+                  "value": 1,
+                },
+                "type": "BinaryExpression",
+              },
+            ],
+            "callee": Object {
+              "body": Object {
+                "left": Object {
+                  "left": Node {
+                    "end": 70,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 21,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 20,
+                        "line": 3,
+                      },
+                    },
+                    "name": "n",
+                    "start": 69,
+                    "type": "Identifier",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 27,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 20,
+                      "line": 3,
+                    },
+                  },
+                  "operator": "===",
+                  "right": Node {
+                    "end": 76,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 27,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 26,
+                        "line": 3,
+                      },
+                    },
+                    "raw": "0",
+                    "start": 75,
+                    "type": "Literal",
+                    "value": 0,
+                  },
+                  "type": "BinaryExpression",
+                },
+                "loc": undefined,
+                "operator": "||",
+                "right": Object {
+                  "arguments": Array [
+                    Object {
+                      "left": Node {
+                        "end": 85,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 36,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 35,
+                            "line": 3,
+                          },
+                        },
+                        "name": "n",
+                        "start": 84,
+                        "type": "Identifier",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 38,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 35,
+                          "line": 3,
+                        },
+                      },
+                      "operator": "-",
+                      "right": Node {
+                        "end": 87,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 38,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 37,
+                            "line": 3,
+                          },
+                        },
+                        "raw": "1",
+                        "start": 86,
+                        "type": "Literal",
+                        "value": 1,
+                      },
+                      "type": "BinaryExpression",
+                    },
+                  ],
+                  "callee": Object {
+                    "body": Object {
+                      "alternate": Object {
+                        "arguments": Array [
+                          Object {
+                            "left": Node {
+                              "end": 44,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 43,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 42,
+                                  "line": 2,
+                                },
+                              },
+                              "name": "n",
+                              "start": 43,
+                              "type": "Identifier",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 45,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 42,
+                                "line": 2,
+                              },
+                            },
+                            "operator": "-",
+                            "right": Node {
+                              "end": 46,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 45,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 44,
+                                  "line": 2,
+                                },
+                              },
+                              "raw": "1",
+                              "start": 45,
+                              "type": "Literal",
+                              "value": 1,
+                            },
+                            "type": "BinaryExpression",
+                          },
+                        ],
+                        "callee": [Circular],
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 46,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 37,
+                            "line": 2,
+                          },
+                        },
+                        "type": "CallExpression",
+                      },
+                      "consequent": Node {
+                        "end": 35,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 34,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 29,
+                            "line": 2,
+                          },
+                        },
+                        "raw": "false",
+                        "start": 30,
+                        "type": "Literal",
+                        "value": false,
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 46,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 19,
+                          "line": 2,
+                        },
+                      },
+                      "test": Object {
+                        "left": Node {
+                          "end": 21,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 20,
+                              "line": 2,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 2,
+                            },
+                          },
+                          "name": "n",
+                          "start": 20,
+                          "type": "Identifier",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 26,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 2,
+                          },
+                        },
+                        "operator": "===",
+                        "right": Node {
+                          "end": 27,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 26,
+                              "line": 2,
+                            },
+                            "start": Position {
+                              "column": 25,
+                              "line": 2,
+                            },
+                          },
+                          "raw": "0",
+                          "start": 26,
+                          "type": "Literal",
+                          "value": 0,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "type": "ConditionalExpression",
+                    },
+                    "expression": true,
+                    "generator": false,
+                    "loc": undefined,
+                    "params": Array [
+                      Node {
+                        "end": 16,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 15,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 14,
+                            "line": 2,
+                          },
+                        },
+                        "name": "n",
+                        "start": 15,
+                        "type": "Identifier",
+                      },
+                    ],
+                    "type": "ArrowFunctionExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 39,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 31,
+                      "line": 3,
+                    },
+                  },
+                  "type": "CallExpression",
+                },
+                "type": "LogicalExpression",
+              },
+              "expression": true,
+              "generator": false,
+              "loc": undefined,
+              "params": Array [
+                Node {
+                  "end": 65,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 16,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 15,
+                      "line": 3,
+                    },
+                  },
+                  "name": "n",
+                  "start": 64,
+                  "type": "Identifier",
+                },
+              ],
+              "type": "ArrowFunctionExpression",
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 46,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 37,
+                "line": 2,
+              },
+            },
+            "type": "CallExpression",
+          },
+          "consequent": Node {
+            "end": 35,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 34,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 29,
+                "line": 2,
+              },
+            },
+            "raw": "false",
+            "start": 30,
+            "type": "Literal",
+            "value": false,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 46,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 19,
+              "line": 2,
+            },
+          },
+          "test": Object {
+            "left": Object {
+              "loc": undefined,
+              "type": "Literal",
+              "value": 0,
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 26,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 19,
+                "line": 2,
+              },
+            },
+            "operator": "===",
+            "right": Node {
+              "end": 27,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 26,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 25,
+                  "line": 2,
+                },
+              },
+              "raw": "0",
+              "start": 26,
+              "type": "Literal",
+              "value": 0,
+            },
+            "type": "BinaryExpression",
+          },
+          "type": "ConditionalExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "alternate": Object {
+            "arguments": Array [
+              Object {
+                "left": Object {
+                  "loc": undefined,
+                  "type": "Literal",
+                  "value": 0,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 45,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 42,
+                    "line": 2,
+                  },
+                },
+                "operator": "-",
+                "right": Node {
+                  "end": 46,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 45,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 44,
+                      "line": 2,
+                    },
+                  },
+                  "raw": "1",
+                  "start": 45,
+                  "type": "Literal",
+                  "value": 1,
+                },
+                "type": "BinaryExpression",
+              },
+            ],
+            "callee": Object {
+              "body": Object {
+                "left": Object {
+                  "left": Node {
+                    "end": 70,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 21,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 20,
+                        "line": 3,
+                      },
+                    },
+                    "name": "n",
+                    "start": 69,
+                    "type": "Identifier",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 27,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 20,
+                      "line": 3,
+                    },
+                  },
+                  "operator": "===",
+                  "right": Node {
+                    "end": 76,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 27,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 26,
+                        "line": 3,
+                      },
+                    },
+                    "raw": "0",
+                    "start": 75,
+                    "type": "Literal",
+                    "value": 0,
+                  },
+                  "type": "BinaryExpression",
+                },
+                "loc": undefined,
+                "operator": "||",
+                "right": Object {
+                  "arguments": Array [
+                    Object {
+                      "left": Node {
+                        "end": 85,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 36,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 35,
+                            "line": 3,
+                          },
+                        },
+                        "name": "n",
+                        "start": 84,
+                        "type": "Identifier",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 38,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 35,
+                          "line": 3,
+                        },
+                      },
+                      "operator": "-",
+                      "right": Node {
+                        "end": 87,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 38,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 37,
+                            "line": 3,
+                          },
+                        },
+                        "raw": "1",
+                        "start": 86,
+                        "type": "Literal",
+                        "value": 1,
+                      },
+                      "type": "BinaryExpression",
+                    },
+                  ],
+                  "callee": Object {
+                    "body": Object {
+                      "alternate": Object {
+                        "arguments": Array [
+                          Object {
+                            "left": Node {
+                              "end": 44,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 43,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 42,
+                                  "line": 2,
+                                },
+                              },
+                              "name": "n",
+                              "start": 43,
+                              "type": "Identifier",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 45,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 42,
+                                "line": 2,
+                              },
+                            },
+                            "operator": "-",
+                            "right": Node {
+                              "end": 46,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 45,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 44,
+                                  "line": 2,
+                                },
+                              },
+                              "raw": "1",
+                              "start": 45,
+                              "type": "Literal",
+                              "value": 1,
+                            },
+                            "type": "BinaryExpression",
+                          },
+                        ],
+                        "callee": [Circular],
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 46,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 37,
+                            "line": 2,
+                          },
+                        },
+                        "type": "CallExpression",
+                      },
+                      "consequent": Node {
+                        "end": 35,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 34,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 29,
+                            "line": 2,
+                          },
+                        },
+                        "raw": "false",
+                        "start": 30,
+                        "type": "Literal",
+                        "value": false,
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 46,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 19,
+                          "line": 2,
+                        },
+                      },
+                      "test": Object {
+                        "left": Node {
+                          "end": 21,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 20,
+                              "line": 2,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 2,
+                            },
+                          },
+                          "name": "n",
+                          "start": 20,
+                          "type": "Identifier",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 26,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 2,
+                          },
+                        },
+                        "operator": "===",
+                        "right": Node {
+                          "end": 27,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 26,
+                              "line": 2,
+                            },
+                            "start": Position {
+                              "column": 25,
+                              "line": 2,
+                            },
+                          },
+                          "raw": "0",
+                          "start": 26,
+                          "type": "Literal",
+                          "value": 0,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "type": "ConditionalExpression",
+                    },
+                    "expression": true,
+                    "generator": false,
+                    "loc": undefined,
+                    "params": Array [
+                      Node {
+                        "end": 16,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 15,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 14,
+                            "line": 2,
+                          },
+                        },
+                        "name": "n",
+                        "start": 15,
+                        "type": "Identifier",
+                      },
+                    ],
+                    "type": "ArrowFunctionExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 39,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 31,
+                      "line": 3,
+                    },
+                  },
+                  "type": "CallExpression",
+                },
+                "type": "LogicalExpression",
+              },
+              "expression": true,
+              "generator": false,
+              "loc": undefined,
+              "params": Array [
+                Node {
+                  "end": 65,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 16,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 15,
+                      "line": 3,
+                    },
+                  },
+                  "name": "n",
+                  "start": 64,
+                  "type": "Identifier",
+                },
+              ],
+              "type": "ArrowFunctionExpression",
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 46,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 37,
+                "line": 2,
+              },
+            },
+            "type": "CallExpression",
+          },
+          "consequent": Node {
+            "end": 35,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 34,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 29,
+                "line": 2,
+              },
+            },
+            "raw": "false",
+            "start": 30,
+            "type": "Literal",
+            "value": false,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 46,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 19,
+              "line": 2,
+            },
+          },
+          "test": Node {
+            "end": 4,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 4,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "raw": "true",
+            "start": 0,
+            "type": "Literal",
+            "value": true,
+          },
+          "type": "ConditionalExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Node {
+          "end": 35,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 34,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 29,
+              "line": 2,
+            },
+          },
+          "raw": "false",
+          "start": 30,
+          "type": "Literal",
+          "value": false,
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+]
+`;
+
+exports[`expmod 1`] = `
+Array [
+  Object {
+    "body": Array [
+      Object {
+        "body": Object {
+          "body": Array [
+            Object {
+              "argument": Object {
+                "left": Object {
+                  "left": Node {
+                    "end": 37,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 12,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 3,
+                      },
+                    },
+                    "name": "n",
+                    "start": 36,
+                    "type": "Identifier",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 16,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 11,
+                      "line": 3,
+                    },
+                  },
+                  "operator": "%",
+                  "right": Node {
+                    "end": 41,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 16,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 15,
+                        "line": 3,
+                      },
+                    },
+                    "raw": "2",
+                    "start": 40,
+                    "type": "Literal",
+                    "value": 2,
+                  },
+                  "type": "BinaryExpression",
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 22,
+                    "line": 3,
+                  },
+                  "start": Position {
+                    "column": 11,
+                    "line": 3,
+                  },
+                },
+                "operator": "===",
+                "right": Node {
+                  "end": 47,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 22,
+                      "line": 3,
+                    },
+                    "start": Position {
+                      "column": 21,
+                      "line": 3,
+                    },
+                  },
+                  "raw": "0",
+                  "start": 46,
+                  "type": "Literal",
+                  "value": 0,
+                },
+                "type": "BinaryExpression",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 23,
+                  "line": 3,
+                },
+                "start": Position {
+                  "column": 4,
+                  "line": 3,
+                },
+              },
+              "type": "ReturnStatement",
+            },
+          ],
+          "type": "BlockStatement",
+        },
+        "id": Node {
+          "end": 19,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 18,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 11,
+              "line": 2,
+            },
+          },
+          "name": "is_even",
+          "start": 12,
+          "type": "Identifier",
+        },
+        "loc": undefined,
+        "params": Array [
+          Node {
+            "end": 21,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 20,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 19,
+                "line": 2,
+              },
+            },
+            "name": "n",
+            "start": 20,
+            "type": "Identifier",
+          },
+        ],
+        "type": "FunctionDeclaration",
+      },
+      Object {
+        "body": Object {
+          "body": Array [
+            Object {
+              "alternate": Object {
+                "body": Array [
+                  Object {
+                    "alternate": Object {
+                      "body": Array [
+                        Object {
+                          "argument": Object {
+                            "left": Object {
+                              "left": Node {
+                                "end": 300,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 23,
+                                    "line": 14,
+                                  },
+                                  "start": Position {
+                                    "column": 19,
+                                    "line": 14,
+                                  },
+                                },
+                                "name": "base",
+                                "start": 296,
+                                "type": "Identifier",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 50,
+                                  "line": 14,
+                                },
+                                "start": Position {
+                                  "column": 19,
+                                  "line": 14,
+                                },
+                              },
+                              "operator": "*",
+                              "right": Object {
+                                "arguments": Array [
+                                  Node {
+                                    "end": 314,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 37,
+                                        "line": 14,
+                                      },
+                                      "start": Position {
+                                        "column": 33,
+                                        "line": 14,
+                                      },
+                                    },
+                                    "name": "base",
+                                    "start": 310,
+                                    "type": "Identifier",
+                                  },
+                                  Object {
+                                    "left": Node {
+                                      "end": 319,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 42,
+                                          "line": 14,
+                                        },
+                                        "start": Position {
+                                          "column": 39,
+                                          "line": 14,
+                                        },
+                                      },
+                                      "name": "exp",
+                                      "start": 316,
+                                      "type": "Identifier",
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 46,
+                                        "line": 14,
+                                      },
+                                      "start": Position {
+                                        "column": 39,
+                                        "line": 14,
+                                      },
+                                    },
+                                    "operator": "-",
+                                    "right": Node {
+                                      "end": 323,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 46,
+                                          "line": 14,
+                                        },
+                                        "start": Position {
+                                          "column": 45,
+                                          "line": 14,
+                                        },
+                                      },
+                                      "raw": "1",
+                                      "start": 322,
+                                      "type": "Literal",
+                                      "value": 1,
+                                    },
+                                    "type": "BinaryExpression",
+                                  },
+                                  Node {
+                                    "end": 326,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 49,
+                                        "line": 14,
+                                      },
+                                      "start": Position {
+                                        "column": 48,
+                                        "line": 14,
+                                      },
+                                    },
+                                    "name": "m",
+                                    "start": 325,
+                                    "type": "Identifier",
+                                  },
+                                ],
+                                "callee": Node {
+                                  "end": 309,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 32,
+                                      "line": 14,
+                                    },
+                                    "start": Position {
+                                      "column": 26,
+                                      "line": 14,
+                                    },
+                                  },
+                                  "name": "expmod",
+                                  "start": 303,
+                                  "type": "Identifier",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 50,
+                                    "line": 14,
+                                  },
+                                  "start": Position {
+                                    "column": 26,
+                                    "line": 14,
+                                  },
+                                },
+                                "type": "CallExpression",
+                              },
+                              "type": "BinaryExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 54,
+                                "line": 14,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 14,
+                              },
+                            },
+                            "operator": "%",
+                            "right": Node {
+                              "end": 331,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 54,
+                                  "line": 14,
+                                },
+                                "start": Position {
+                                  "column": 53,
+                                  "line": 14,
+                                },
+                              },
+                              "name": "m",
+                              "start": 330,
+                              "type": "Identifier",
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 55,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 12,
+                              "line": 14,
+                            },
+                          },
+                          "type": "ReturnStatement",
+                        },
+                      ],
+                      "type": "BlockStatement",
+                    },
+                    "consequent": Object {
+                      "body": Array [
+                        Object {
+                          "declarations": Array [
+                            Object {
+                              "id": Node {
+                                "end": 189,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 25,
+                                    "line": 11,
+                                  },
+                                  "start": Position {
+                                    "column": 18,
+                                    "line": 11,
+                                  },
+                                },
+                                "name": "to_half",
+                                "start": 182,
+                                "type": "Identifier",
+                              },
+                              "init": Object {
+                                "arguments": Array [
+                                  Node {
+                                    "end": 203,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 39,
+                                        "line": 11,
+                                      },
+                                      "start": Position {
+                                        "column": 35,
+                                        "line": 11,
+                                      },
+                                    },
+                                    "name": "base",
+                                    "start": 199,
+                                    "type": "Identifier",
+                                  },
+                                  Object {
+                                    "left": Node {
+                                      "end": 208,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 44,
+                                          "line": 11,
+                                        },
+                                        "start": Position {
+                                          "column": 41,
+                                          "line": 11,
+                                        },
+                                      },
+                                      "name": "exp",
+                                      "start": 205,
+                                      "type": "Identifier",
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 48,
+                                        "line": 11,
+                                      },
+                                      "start": Position {
+                                        "column": 41,
+                                        "line": 11,
+                                      },
+                                    },
+                                    "operator": "/",
+                                    "right": Node {
+                                      "end": 212,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 48,
+                                          "line": 11,
+                                        },
+                                        "start": Position {
+                                          "column": 47,
+                                          "line": 11,
+                                        },
+                                      },
+                                      "raw": "2",
+                                      "start": 211,
+                                      "type": "Literal",
+                                      "value": 2,
+                                    },
+                                    "type": "BinaryExpression",
+                                  },
+                                  Node {
+                                    "end": 215,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 51,
+                                        "line": 11,
+                                      },
+                                      "start": Position {
+                                        "column": 50,
+                                        "line": 11,
+                                      },
+                                    },
+                                    "name": "m",
+                                    "start": 214,
+                                    "type": "Identifier",
+                                  },
+                                ],
+                                "callee": Node {
+                                  "end": 198,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 34,
+                                      "line": 11,
+                                    },
+                                    "start": Position {
+                                      "column": 28,
+                                      "line": 11,
+                                    },
+                                  },
+                                  "name": "expmod",
+                                  "start": 192,
+                                  "type": "Identifier",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 52,
+                                    "line": 11,
+                                  },
+                                  "start": Position {
+                                    "column": 28,
+                                    "line": 11,
+                                  },
+                                },
+                                "type": "CallExpression",
+                              },
+                              "loc": undefined,
+                              "type": "VariableDeclarator",
+                            },
+                          ],
+                          "kind": "const",
+                          "loc": undefined,
+                          "type": "VariableDeclaration",
+                        },
+                        Object {
+                          "argument": Object {
+                            "left": Object {
+                              "left": Node {
+                                "end": 244,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 26,
+                                    "line": 12,
+                                  },
+                                  "start": Position {
+                                    "column": 19,
+                                    "line": 12,
+                                  },
+                                },
+                                "name": "to_half",
+                                "start": 237,
+                                "type": "Identifier",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 36,
+                                  "line": 12,
+                                },
+                                "start": Position {
+                                  "column": 19,
+                                  "line": 12,
+                                },
+                              },
+                              "operator": "*",
+                              "right": Node {
+                                "end": 254,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 36,
+                                    "line": 12,
+                                  },
+                                  "start": Position {
+                                    "column": 29,
+                                    "line": 12,
+                                  },
+                                },
+                                "name": "to_half",
+                                "start": 247,
+                                "type": "Identifier",
+                              },
+                              "type": "BinaryExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 40,
+                                "line": 12,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 12,
+                              },
+                            },
+                            "operator": "%",
+                            "right": Node {
+                              "end": 258,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 40,
+                                  "line": 12,
+                                },
+                                "start": Position {
+                                  "column": 39,
+                                  "line": 12,
+                                },
+                              },
+                              "name": "m",
+                              "start": 257,
+                              "type": "Identifier",
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 41,
+                              "line": 12,
+                            },
+                            "start": Position {
+                              "column": 12,
+                              "line": 12,
+                            },
+                          },
+                          "type": "ReturnStatement",
+                        },
+                      ],
+                      "type": "BlockStatement",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 9,
+                        "line": 15,
+                      },
+                      "start": Position {
+                        "column": 8,
+                        "line": 10,
+                      },
+                    },
+                    "test": Object {
+                      "arguments": Array [
+                        Node {
+                          "end": 159,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 23,
+                              "line": 10,
+                            },
+                            "start": Position {
+                              "column": 20,
+                              "line": 10,
+                            },
+                          },
+                          "name": "exp",
+                          "start": 156,
+                          "type": "Identifier",
+                        },
+                      ],
+                      "callee": Node {
+                        "end": 155,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 19,
+                            "line": 10,
+                          },
+                          "start": Position {
+                            "column": 12,
+                            "line": 10,
+                          },
+                        },
+                        "name": "is_even",
+                        "start": 148,
+                        "type": "Identifier",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 24,
+                          "line": 10,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 10,
+                        },
+                      },
+                      "type": "CallExpression",
+                    },
+                    "type": "IfStatement",
+                  },
+                ],
+                "type": "BlockStatement",
+              },
+              "consequent": Object {
+                "body": Array [
+                  Object {
+                    "argument": Node {
+                      "end": 121,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 16,
+                          "line": 8,
+                        },
+                        "start": Position {
+                          "column": 15,
+                          "line": 8,
+                        },
+                      },
+                      "raw": "1",
+                      "start": 120,
+                      "type": "Literal",
+                      "value": 1,
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 17,
+                        "line": 8,
+                      },
+                      "start": Position {
+                        "column": 8,
+                        "line": 8,
+                      },
+                    },
+                    "type": "ReturnStatement",
+                  },
+                ],
+                "type": "BlockStatement",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 5,
+                  "line": 16,
+                },
+                "start": Position {
+                  "column": 4,
+                  "line": 7,
+                },
+              },
+              "test": Object {
+                "left": Node {
+                  "end": 95,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 11,
+                      "line": 7,
+                    },
+                    "start": Position {
+                      "column": 8,
+                      "line": 7,
+                    },
+                  },
+                  "name": "exp",
+                  "start": 92,
+                  "type": "Identifier",
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 17,
+                    "line": 7,
+                  },
+                  "start": Position {
+                    "column": 8,
+                    "line": 7,
+                  },
+                },
+                "operator": "===",
+                "right": Node {
+                  "end": 101,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 17,
+                      "line": 7,
+                    },
+                    "start": Position {
+                      "column": 16,
+                      "line": 7,
+                    },
+                  },
+                  "raw": "0",
+                  "start": 100,
+                  "type": "Literal",
+                  "value": 0,
+                },
+                "type": "BinaryExpression",
+              },
+              "type": "IfStatement",
+            },
+          ],
+          "type": "BlockStatement",
+        },
+        "id": Node {
+          "end": 67,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 15,
+              "line": 6,
+            },
+            "start": Position {
+              "column": 9,
+              "line": 6,
+            },
+          },
+          "name": "expmod",
+          "start": 61,
+          "type": "Identifier",
+        },
+        "loc": undefined,
+        "params": Array [
+          Node {
+            "end": 72,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 20,
+                "line": 6,
+              },
+              "start": Position {
+                "column": 16,
+                "line": 6,
+              },
+            },
+            "name": "base",
+            "start": 68,
+            "type": "Identifier",
+          },
+          Node {
+            "end": 77,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 25,
+                "line": 6,
+              },
+              "start": Position {
+                "column": 22,
+                "line": 6,
+              },
+            },
+            "name": "exp",
+            "start": 74,
+            "type": "Identifier",
+          },
+          Node {
+            "end": 80,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 28,
+                "line": 6,
+              },
+              "start": Position {
+                "column": 27,
+                "line": 6,
+              },
+            },
+            "name": "m",
+            "start": 79,
+            "type": "Identifier",
+          },
+        ],
+        "type": "FunctionDeclaration",
+      },
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Node {
+              "end": 360,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 8,
+                  "line": 19,
+                },
+                "start": Position {
+                  "column": 7,
+                  "line": 19,
+                },
+              },
+              "raw": "4",
+              "start": 359,
+              "type": "Literal",
+              "value": 4,
+            },
+            Node {
+              "end": 363,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 11,
+                  "line": 19,
+                },
+                "start": Position {
+                  "column": 10,
+                  "line": 19,
+                },
+              },
+              "raw": "3",
+              "start": 362,
+              "type": "Literal",
+              "value": 3,
+            },
+            Node {
+              "end": 366,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 14,
+                  "line": 19,
+                },
+                "start": Position {
+                  "column": 13,
+                  "line": 19,
+                },
+              },
+              "raw": "5",
+              "start": 365,
+              "type": "Literal",
+              "value": 5,
+            },
+          ],
+          "callee": Node {
+            "end": 358,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 6,
+                "line": 19,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 19,
+              },
+            },
+            "name": "expmod",
+            "start": 352,
+            "type": "Identifier",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 15,
+              "line": 19,
+            },
+            "start": Position {
+              "column": 0,
+              "line": 19,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "body": Object {
+          "body": Array [
+            Object {
+              "alternate": Object {
+                "body": Array [
+                  Object {
+                    "alternate": Object {
+                      "body": Array [
+                        Object {
+                          "argument": Object {
+                            "left": Object {
+                              "left": Node {
+                                "end": 300,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 23,
+                                    "line": 14,
+                                  },
+                                  "start": Position {
+                                    "column": 19,
+                                    "line": 14,
+                                  },
+                                },
+                                "name": "base",
+                                "start": 296,
+                                "type": "Identifier",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 50,
+                                  "line": 14,
+                                },
+                                "start": Position {
+                                  "column": 19,
+                                  "line": 14,
+                                },
+                              },
+                              "operator": "*",
+                              "right": Object {
+                                "arguments": Array [
+                                  Node {
+                                    "end": 314,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 37,
+                                        "line": 14,
+                                      },
+                                      "start": Position {
+                                        "column": 33,
+                                        "line": 14,
+                                      },
+                                    },
+                                    "name": "base",
+                                    "start": 310,
+                                    "type": "Identifier",
+                                  },
+                                  Object {
+                                    "left": Node {
+                                      "end": 319,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 42,
+                                          "line": 14,
+                                        },
+                                        "start": Position {
+                                          "column": 39,
+                                          "line": 14,
+                                        },
+                                      },
+                                      "name": "exp",
+                                      "start": 316,
+                                      "type": "Identifier",
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 46,
+                                        "line": 14,
+                                      },
+                                      "start": Position {
+                                        "column": 39,
+                                        "line": 14,
+                                      },
+                                    },
+                                    "operator": "-",
+                                    "right": Node {
+                                      "end": 323,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 46,
+                                          "line": 14,
+                                        },
+                                        "start": Position {
+                                          "column": 45,
+                                          "line": 14,
+                                        },
+                                      },
+                                      "raw": "1",
+                                      "start": 322,
+                                      "type": "Literal",
+                                      "value": 1,
+                                    },
+                                    "type": "BinaryExpression",
+                                  },
+                                  Node {
+                                    "end": 326,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 49,
+                                        "line": 14,
+                                      },
+                                      "start": Position {
+                                        "column": 48,
+                                        "line": 14,
+                                      },
+                                    },
+                                    "name": "m",
+                                    "start": 325,
+                                    "type": "Identifier",
+                                  },
+                                ],
+                                "callee": Node {
+                                  "end": 309,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 32,
+                                      "line": 14,
+                                    },
+                                    "start": Position {
+                                      "column": 26,
+                                      "line": 14,
+                                    },
+                                  },
+                                  "name": "expmod",
+                                  "start": 303,
+                                  "type": "Identifier",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 50,
+                                    "line": 14,
+                                  },
+                                  "start": Position {
+                                    "column": 26,
+                                    "line": 14,
+                                  },
+                                },
+                                "type": "CallExpression",
+                              },
+                              "type": "BinaryExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 54,
+                                "line": 14,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 14,
+                              },
+                            },
+                            "operator": "%",
+                            "right": Node {
+                              "end": 331,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 54,
+                                  "line": 14,
+                                },
+                                "start": Position {
+                                  "column": 53,
+                                  "line": 14,
+                                },
+                              },
+                              "name": "m",
+                              "start": 330,
+                              "type": "Identifier",
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 55,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 12,
+                              "line": 14,
+                            },
+                          },
+                          "type": "ReturnStatement",
+                        },
+                      ],
+                      "type": "BlockStatement",
+                    },
+                    "consequent": Object {
+                      "body": Array [
+                        Object {
+                          "declarations": Array [
+                            Object {
+                              "id": Node {
+                                "end": 189,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 25,
+                                    "line": 11,
+                                  },
+                                  "start": Position {
+                                    "column": 18,
+                                    "line": 11,
+                                  },
+                                },
+                                "name": "to_half",
+                                "start": 182,
+                                "type": "Identifier",
+                              },
+                              "init": Object {
+                                "arguments": Array [
+                                  Node {
+                                    "end": 203,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 39,
+                                        "line": 11,
+                                      },
+                                      "start": Position {
+                                        "column": 35,
+                                        "line": 11,
+                                      },
+                                    },
+                                    "name": "base",
+                                    "start": 199,
+                                    "type": "Identifier",
+                                  },
+                                  Object {
+                                    "left": Node {
+                                      "end": 208,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 44,
+                                          "line": 11,
+                                        },
+                                        "start": Position {
+                                          "column": 41,
+                                          "line": 11,
+                                        },
+                                      },
+                                      "name": "exp",
+                                      "start": 205,
+                                      "type": "Identifier",
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 48,
+                                        "line": 11,
+                                      },
+                                      "start": Position {
+                                        "column": 41,
+                                        "line": 11,
+                                      },
+                                    },
+                                    "operator": "/",
+                                    "right": Node {
+                                      "end": 212,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 48,
+                                          "line": 11,
+                                        },
+                                        "start": Position {
+                                          "column": 47,
+                                          "line": 11,
+                                        },
+                                      },
+                                      "raw": "2",
+                                      "start": 211,
+                                      "type": "Literal",
+                                      "value": 2,
+                                    },
+                                    "type": "BinaryExpression",
+                                  },
+                                  Node {
+                                    "end": 215,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 51,
+                                        "line": 11,
+                                      },
+                                      "start": Position {
+                                        "column": 50,
+                                        "line": 11,
+                                      },
+                                    },
+                                    "name": "m",
+                                    "start": 214,
+                                    "type": "Identifier",
+                                  },
+                                ],
+                                "callee": Node {
+                                  "end": 198,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 34,
+                                      "line": 11,
+                                    },
+                                    "start": Position {
+                                      "column": 28,
+                                      "line": 11,
+                                    },
+                                  },
+                                  "name": "expmod",
+                                  "start": 192,
+                                  "type": "Identifier",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 52,
+                                    "line": 11,
+                                  },
+                                  "start": Position {
+                                    "column": 28,
+                                    "line": 11,
+                                  },
+                                },
+                                "type": "CallExpression",
+                              },
+                              "loc": undefined,
+                              "type": "VariableDeclarator",
+                            },
+                          ],
+                          "kind": "const",
+                          "loc": undefined,
+                          "type": "VariableDeclaration",
+                        },
+                        Object {
+                          "argument": Object {
+                            "left": Object {
+                              "left": Node {
+                                "end": 244,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 26,
+                                    "line": 12,
+                                  },
+                                  "start": Position {
+                                    "column": 19,
+                                    "line": 12,
+                                  },
+                                },
+                                "name": "to_half",
+                                "start": 237,
+                                "type": "Identifier",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 36,
+                                  "line": 12,
+                                },
+                                "start": Position {
+                                  "column": 19,
+                                  "line": 12,
+                                },
+                              },
+                              "operator": "*",
+                              "right": Node {
+                                "end": 254,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 36,
+                                    "line": 12,
+                                  },
+                                  "start": Position {
+                                    "column": 29,
+                                    "line": 12,
+                                  },
+                                },
+                                "name": "to_half",
+                                "start": 247,
+                                "type": "Identifier",
+                              },
+                              "type": "BinaryExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 40,
+                                "line": 12,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 12,
+                              },
+                            },
+                            "operator": "%",
+                            "right": Node {
+                              "end": 258,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 40,
+                                  "line": 12,
+                                },
+                                "start": Position {
+                                  "column": 39,
+                                  "line": 12,
+                                },
+                              },
+                              "name": "m",
+                              "start": 257,
+                              "type": "Identifier",
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 41,
+                              "line": 12,
+                            },
+                            "start": Position {
+                              "column": 12,
+                              "line": 12,
+                            },
+                          },
+                          "type": "ReturnStatement",
+                        },
+                      ],
+                      "type": "BlockStatement",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 9,
+                        "line": 15,
+                      },
+                      "start": Position {
+                        "column": 8,
+                        "line": 10,
+                      },
+                    },
+                    "test": Object {
+                      "arguments": Array [
+                        Node {
+                          "end": 159,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 23,
+                              "line": 10,
+                            },
+                            "start": Position {
+                              "column": 20,
+                              "line": 10,
+                            },
+                          },
+                          "name": "exp",
+                          "start": 156,
+                          "type": "Identifier",
+                        },
+                      ],
+                      "callee": Object {
+                        "body": Object {
+                          "body": Array [
+                            Object {
+                              "argument": Object {
+                                "left": Object {
+                                  "left": Node {
+                                    "end": 37,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 12,
+                                        "line": 3,
+                                      },
+                                      "start": Position {
+                                        "column": 11,
+                                        "line": 3,
+                                      },
+                                    },
+                                    "name": "n",
+                                    "start": 36,
+                                    "type": "Identifier",
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 16,
+                                      "line": 3,
+                                    },
+                                    "start": Position {
+                                      "column": 11,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "operator": "%",
+                                  "right": Node {
+                                    "end": 41,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 16,
+                                        "line": 3,
+                                      },
+                                      "start": Position {
+                                        "column": 15,
+                                        "line": 3,
+                                      },
+                                    },
+                                    "raw": "2",
+                                    "start": 40,
+                                    "type": "Literal",
+                                    "value": 2,
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 22,
+                                    "line": 3,
+                                  },
+                                  "start": Position {
+                                    "column": 11,
+                                    "line": 3,
+                                  },
+                                },
+                                "operator": "===",
+                                "right": Node {
+                                  "end": 47,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 22,
+                                      "line": 3,
+                                    },
+                                    "start": Position {
+                                      "column": 21,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "raw": "0",
+                                  "start": 46,
+                                  "type": "Literal",
+                                  "value": 0,
+                                },
+                                "type": "BinaryExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 23,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 4,
+                                  "line": 3,
+                                },
+                              },
+                              "type": "ReturnStatement",
+                            },
+                          ],
+                          "type": "BlockStatement",
+                        },
+                        "id": Node {
+                          "end": 19,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 18,
+                              "line": 2,
+                            },
+                            "start": Position {
+                              "column": 11,
+                              "line": 2,
+                            },
+                          },
+                          "name": "is_even",
+                          "start": 12,
+                          "type": "Identifier",
+                        },
+                        "loc": undefined,
+                        "params": Array [
+                          Node {
+                            "end": 21,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 20,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 2,
+                              },
+                            },
+                            "name": "n",
+                            "start": 20,
+                            "type": "Identifier",
+                          },
+                        ],
+                        "type": "FunctionExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 24,
+                          "line": 10,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 10,
+                        },
+                      },
+                      "type": "CallExpression",
+                    },
+                    "type": "IfStatement",
+                  },
+                ],
+                "type": "BlockStatement",
+              },
+              "consequent": Object {
+                "body": Array [
+                  Object {
+                    "argument": Node {
+                      "end": 121,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 16,
+                          "line": 8,
+                        },
+                        "start": Position {
+                          "column": 15,
+                          "line": 8,
+                        },
+                      },
+                      "raw": "1",
+                      "start": 120,
+                      "type": "Literal",
+                      "value": 1,
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 17,
+                        "line": 8,
+                      },
+                      "start": Position {
+                        "column": 8,
+                        "line": 8,
+                      },
+                    },
+                    "type": "ReturnStatement",
+                  },
+                ],
+                "type": "BlockStatement",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 5,
+                  "line": 16,
+                },
+                "start": Position {
+                  "column": 4,
+                  "line": 7,
+                },
+              },
+              "test": Object {
+                "left": Node {
+                  "end": 95,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 11,
+                      "line": 7,
+                    },
+                    "start": Position {
+                      "column": 8,
+                      "line": 7,
+                    },
+                  },
+                  "name": "exp",
+                  "start": 92,
+                  "type": "Identifier",
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 17,
+                    "line": 7,
+                  },
+                  "start": Position {
+                    "column": 8,
+                    "line": 7,
+                  },
+                },
+                "operator": "===",
+                "right": Node {
+                  "end": 101,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 17,
+                      "line": 7,
+                    },
+                    "start": Position {
+                      "column": 16,
+                      "line": 7,
+                    },
+                  },
+                  "raw": "0",
+                  "start": 100,
+                  "type": "Literal",
+                  "value": 0,
+                },
+                "type": "BinaryExpression",
+              },
+              "type": "IfStatement",
+            },
+          ],
+          "type": "BlockStatement",
+        },
+        "id": Node {
+          "end": 67,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 15,
+              "line": 6,
+            },
+            "start": Position {
+              "column": 9,
+              "line": 6,
+            },
+          },
+          "name": "expmod",
+          "start": 61,
+          "type": "Identifier",
+        },
+        "loc": undefined,
+        "params": Array [
+          Node {
+            "end": 72,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 20,
+                "line": 6,
+              },
+              "start": Position {
+                "column": 16,
+                "line": 6,
+              },
+            },
+            "name": "base",
+            "start": 68,
+            "type": "Identifier",
+          },
+          Node {
+            "end": 77,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 25,
+                "line": 6,
+              },
+              "start": Position {
+                "column": 22,
+                "line": 6,
+              },
+            },
+            "name": "exp",
+            "start": 74,
+            "type": "Identifier",
+          },
+          Node {
+            "end": 80,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 28,
+                "line": 6,
+              },
+              "start": Position {
+                "column": 27,
+                "line": 6,
+              },
+            },
+            "name": "m",
+            "start": 79,
+            "type": "Identifier",
+          },
+        ],
+        "type": "FunctionDeclaration",
+      },
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Node {
+              "end": 360,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 8,
+                  "line": 19,
+                },
+                "start": Position {
+                  "column": 7,
+                  "line": 19,
+                },
+              },
+              "raw": "4",
+              "start": 359,
+              "type": "Literal",
+              "value": 4,
+            },
+            Node {
+              "end": 363,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 11,
+                  "line": 19,
+                },
+                "start": Position {
+                  "column": 10,
+                  "line": 19,
+                },
+              },
+              "raw": "3",
+              "start": 362,
+              "type": "Literal",
+              "value": 3,
+            },
+            Node {
+              "end": 366,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 14,
+                  "line": 19,
+                },
+                "start": Position {
+                  "column": 13,
+                  "line": 19,
+                },
+              },
+              "raw": "5",
+              "start": 365,
+              "type": "Literal",
+              "value": 5,
+            },
+          ],
+          "callee": Node {
+            "end": 358,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 6,
+                "line": 19,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 19,
+              },
+            },
+            "name": "expmod",
+            "start": 352,
+            "type": "Identifier",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 15,
+              "line": 19,
+            },
+            "start": Position {
+              "column": 0,
+              "line": 19,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Node {
+              "end": 360,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 8,
+                  "line": 19,
+                },
+                "start": Position {
+                  "column": 7,
+                  "line": 19,
+                },
+              },
+              "raw": "4",
+              "start": 359,
+              "type": "Literal",
+              "value": 4,
+            },
+            Node {
+              "end": 363,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 11,
+                  "line": 19,
+                },
+                "start": Position {
+                  "column": 10,
+                  "line": 19,
+                },
+              },
+              "raw": "3",
+              "start": 362,
+              "type": "Literal",
+              "value": 3,
+            },
+            Node {
+              "end": 366,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 14,
+                  "line": 19,
+                },
+                "start": Position {
+                  "column": 13,
+                  "line": 19,
+                },
+              },
+              "raw": "5",
+              "start": 365,
+              "type": "Literal",
+              "value": 5,
+            },
+          ],
+          "callee": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "alternate": Object {
+                    "body": Array [
+                      Object {
+                        "alternate": Object {
+                          "body": Array [
+                            Object {
+                              "argument": Object {
+                                "left": Object {
+                                  "left": Node {
+                                    "end": 300,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 23,
+                                        "line": 14,
+                                      },
+                                      "start": Position {
+                                        "column": 19,
+                                        "line": 14,
+                                      },
+                                    },
+                                    "name": "base",
+                                    "start": 296,
+                                    "type": "Identifier",
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 50,
+                                      "line": 14,
+                                    },
+                                    "start": Position {
+                                      "column": 19,
+                                      "line": 14,
+                                    },
+                                  },
+                                  "operator": "*",
+                                  "right": Object {
+                                    "arguments": Array [
+                                      Node {
+                                        "end": 314,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 37,
+                                            "line": 14,
+                                          },
+                                          "start": Position {
+                                            "column": 33,
+                                            "line": 14,
+                                          },
+                                        },
+                                        "name": "base",
+                                        "start": 310,
+                                        "type": "Identifier",
+                                      },
+                                      Object {
+                                        "left": Node {
+                                          "end": 319,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 42,
+                                              "line": 14,
+                                            },
+                                            "start": Position {
+                                              "column": 39,
+                                              "line": 14,
+                                            },
+                                          },
+                                          "name": "exp",
+                                          "start": 316,
+                                          "type": "Identifier",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 46,
+                                            "line": 14,
+                                          },
+                                          "start": Position {
+                                            "column": 39,
+                                            "line": 14,
+                                          },
+                                        },
+                                        "operator": "-",
+                                        "right": Node {
+                                          "end": 323,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 46,
+                                              "line": 14,
+                                            },
+                                            "start": Position {
+                                              "column": 45,
+                                              "line": 14,
+                                            },
+                                          },
+                                          "raw": "1",
+                                          "start": 322,
+                                          "type": "Literal",
+                                          "value": 1,
+                                        },
+                                        "type": "BinaryExpression",
+                                      },
+                                      Node {
+                                        "end": 326,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 49,
+                                            "line": 14,
+                                          },
+                                          "start": Position {
+                                            "column": 48,
+                                            "line": 14,
+                                          },
+                                        },
+                                        "name": "m",
+                                        "start": 325,
+                                        "type": "Identifier",
+                                      },
+                                    ],
+                                    "callee": [Circular],
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 50,
+                                        "line": 14,
+                                      },
+                                      "start": Position {
+                                        "column": 26,
+                                        "line": 14,
+                                      },
+                                    },
+                                    "type": "CallExpression",
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 54,
+                                    "line": 14,
+                                  },
+                                  "start": Position {
+                                    "column": 19,
+                                    "line": 14,
+                                  },
+                                },
+                                "operator": "%",
+                                "right": Node {
+                                  "end": 331,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 54,
+                                      "line": 14,
+                                    },
+                                    "start": Position {
+                                      "column": 53,
+                                      "line": 14,
+                                    },
+                                  },
+                                  "name": "m",
+                                  "start": 330,
+                                  "type": "Identifier",
+                                },
+                                "type": "BinaryExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 55,
+                                  "line": 14,
+                                },
+                                "start": Position {
+                                  "column": 12,
+                                  "line": 14,
+                                },
+                              },
+                              "type": "ReturnStatement",
+                            },
+                          ],
+                          "type": "BlockStatement",
+                        },
+                        "consequent": Object {
+                          "body": Array [
+                            Object {
+                              "declarations": Array [
+                                Object {
+                                  "id": Node {
+                                    "end": 189,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 25,
+                                        "line": 11,
+                                      },
+                                      "start": Position {
+                                        "column": 18,
+                                        "line": 11,
+                                      },
+                                    },
+                                    "name": "to_half",
+                                    "start": 182,
+                                    "type": "Identifier",
+                                  },
+                                  "init": Object {
+                                    "arguments": Array [
+                                      Node {
+                                        "end": 203,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 39,
+                                            "line": 11,
+                                          },
+                                          "start": Position {
+                                            "column": 35,
+                                            "line": 11,
+                                          },
+                                        },
+                                        "name": "base",
+                                        "start": 199,
+                                        "type": "Identifier",
+                                      },
+                                      Object {
+                                        "left": Node {
+                                          "end": 208,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 44,
+                                              "line": 11,
+                                            },
+                                            "start": Position {
+                                              "column": 41,
+                                              "line": 11,
+                                            },
+                                          },
+                                          "name": "exp",
+                                          "start": 205,
+                                          "type": "Identifier",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 48,
+                                            "line": 11,
+                                          },
+                                          "start": Position {
+                                            "column": 41,
+                                            "line": 11,
+                                          },
+                                        },
+                                        "operator": "/",
+                                        "right": Node {
+                                          "end": 212,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 48,
+                                              "line": 11,
+                                            },
+                                            "start": Position {
+                                              "column": 47,
+                                              "line": 11,
+                                            },
+                                          },
+                                          "raw": "2",
+                                          "start": 211,
+                                          "type": "Literal",
+                                          "value": 2,
+                                        },
+                                        "type": "BinaryExpression",
+                                      },
+                                      Node {
+                                        "end": 215,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 51,
+                                            "line": 11,
+                                          },
+                                          "start": Position {
+                                            "column": 50,
+                                            "line": 11,
+                                          },
+                                        },
+                                        "name": "m",
+                                        "start": 214,
+                                        "type": "Identifier",
+                                      },
+                                    ],
+                                    "callee": [Circular],
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 52,
+                                        "line": 11,
+                                      },
+                                      "start": Position {
+                                        "column": 28,
+                                        "line": 11,
+                                      },
+                                    },
+                                    "type": "CallExpression",
+                                  },
+                                  "loc": undefined,
+                                  "type": "VariableDeclarator",
+                                },
+                              ],
+                              "kind": "const",
+                              "loc": undefined,
+                              "type": "VariableDeclaration",
+                            },
+                            Object {
+                              "argument": Object {
+                                "left": Object {
+                                  "left": Node {
+                                    "end": 244,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 26,
+                                        "line": 12,
+                                      },
+                                      "start": Position {
+                                        "column": 19,
+                                        "line": 12,
+                                      },
+                                    },
+                                    "name": "to_half",
+                                    "start": 237,
+                                    "type": "Identifier",
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 36,
+                                      "line": 12,
+                                    },
+                                    "start": Position {
+                                      "column": 19,
+                                      "line": 12,
+                                    },
+                                  },
+                                  "operator": "*",
+                                  "right": Node {
+                                    "end": 254,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 36,
+                                        "line": 12,
+                                      },
+                                      "start": Position {
+                                        "column": 29,
+                                        "line": 12,
+                                      },
+                                    },
+                                    "name": "to_half",
+                                    "start": 247,
+                                    "type": "Identifier",
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 40,
+                                    "line": 12,
+                                  },
+                                  "start": Position {
+                                    "column": 19,
+                                    "line": 12,
+                                  },
+                                },
+                                "operator": "%",
+                                "right": Node {
+                                  "end": 258,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 40,
+                                      "line": 12,
+                                    },
+                                    "start": Position {
+                                      "column": 39,
+                                      "line": 12,
+                                    },
+                                  },
+                                  "name": "m",
+                                  "start": 257,
+                                  "type": "Identifier",
+                                },
+                                "type": "BinaryExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 41,
+                                  "line": 12,
+                                },
+                                "start": Position {
+                                  "column": 12,
+                                  "line": 12,
+                                },
+                              },
+                              "type": "ReturnStatement",
+                            },
+                          ],
+                          "type": "BlockStatement",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 9,
+                            "line": 15,
+                          },
+                          "start": Position {
+                            "column": 8,
+                            "line": 10,
+                          },
+                        },
+                        "test": Object {
+                          "arguments": Array [
+                            Node {
+                              "end": 159,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 23,
+                                  "line": 10,
+                                },
+                                "start": Position {
+                                  "column": 20,
+                                  "line": 10,
+                                },
+                              },
+                              "name": "exp",
+                              "start": 156,
+                              "type": "Identifier",
+                            },
+                          ],
+                          "callee": Object {
+                            "body": Object {
+                              "body": Array [
+                                Object {
+                                  "argument": Object {
+                                    "left": Object {
+                                      "left": Node {
+                                        "end": 37,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 12,
+                                            "line": 3,
+                                          },
+                                          "start": Position {
+                                            "column": 11,
+                                            "line": 3,
+                                          },
+                                        },
+                                        "name": "n",
+                                        "start": 36,
+                                        "type": "Identifier",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 16,
+                                          "line": 3,
+                                        },
+                                        "start": Position {
+                                          "column": 11,
+                                          "line": 3,
+                                        },
+                                      },
+                                      "operator": "%",
+                                      "right": Node {
+                                        "end": 41,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 16,
+                                            "line": 3,
+                                          },
+                                          "start": Position {
+                                            "column": 15,
+                                            "line": 3,
+                                          },
+                                        },
+                                        "raw": "2",
+                                        "start": 40,
+                                        "type": "Literal",
+                                        "value": 2,
+                                      },
+                                      "type": "BinaryExpression",
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 22,
+                                        "line": 3,
+                                      },
+                                      "start": Position {
+                                        "column": 11,
+                                        "line": 3,
+                                      },
+                                    },
+                                    "operator": "===",
+                                    "right": Node {
+                                      "end": 47,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 22,
+                                          "line": 3,
+                                        },
+                                        "start": Position {
+                                          "column": 21,
+                                          "line": 3,
+                                        },
+                                      },
+                                      "raw": "0",
+                                      "start": 46,
+                                      "type": "Literal",
+                                      "value": 0,
+                                    },
+                                    "type": "BinaryExpression",
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 23,
+                                      "line": 3,
+                                    },
+                                    "start": Position {
+                                      "column": 4,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "type": "ReturnStatement",
+                                },
+                              ],
+                              "type": "BlockStatement",
+                            },
+                            "id": Node {
+                              "end": 19,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 18,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 11,
+                                  "line": 2,
+                                },
+                              },
+                              "name": "is_even",
+                              "start": 12,
+                              "type": "Identifier",
+                            },
+                            "loc": undefined,
+                            "params": Array [
+                              Node {
+                                "end": 21,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 20,
+                                    "line": 2,
+                                  },
+                                  "start": Position {
+                                    "column": 19,
+                                    "line": 2,
+                                  },
+                                },
+                                "name": "n",
+                                "start": 20,
+                                "type": "Identifier",
+                              },
+                            ],
+                            "type": "FunctionExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 24,
+                              "line": 10,
+                            },
+                            "start": Position {
+                              "column": 12,
+                              "line": 10,
+                            },
+                          },
+                          "type": "CallExpression",
+                        },
+                        "type": "IfStatement",
+                      },
+                    ],
+                    "type": "BlockStatement",
+                  },
+                  "consequent": Object {
+                    "body": Array [
+                      Object {
+                        "argument": Node {
+                          "end": 121,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 16,
+                              "line": 8,
+                            },
+                            "start": Position {
+                              "column": 15,
+                              "line": 8,
+                            },
+                          },
+                          "raw": "1",
+                          "start": 120,
+                          "type": "Literal",
+                          "value": 1,
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 17,
+                            "line": 8,
+                          },
+                          "start": Position {
+                            "column": 8,
+                            "line": 8,
+                          },
+                        },
+                        "type": "ReturnStatement",
+                      },
+                    ],
+                    "type": "BlockStatement",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 5,
+                      "line": 16,
+                    },
+                    "start": Position {
+                      "column": 4,
+                      "line": 7,
+                    },
+                  },
+                  "test": Object {
+                    "left": Node {
+                      "end": 95,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 11,
+                          "line": 7,
+                        },
+                        "start": Position {
+                          "column": 8,
+                          "line": 7,
+                        },
+                      },
+                      "name": "exp",
+                      "start": 92,
+                      "type": "Identifier",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 17,
+                        "line": 7,
+                      },
+                      "start": Position {
+                        "column": 8,
+                        "line": 7,
+                      },
+                    },
+                    "operator": "===",
+                    "right": Node {
+                      "end": 101,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 17,
+                          "line": 7,
+                        },
+                        "start": Position {
+                          "column": 16,
+                          "line": 7,
+                        },
+                      },
+                      "raw": "0",
+                      "start": 100,
+                      "type": "Literal",
+                      "value": 0,
+                    },
+                    "type": "BinaryExpression",
+                  },
+                  "type": "IfStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 67,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 15,
+                  "line": 6,
+                },
+                "start": Position {
+                  "column": 9,
+                  "line": 6,
+                },
+              },
+              "name": "expmod",
+              "start": 61,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [
+              Node {
+                "end": 72,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 20,
+                    "line": 6,
+                  },
+                  "start": Position {
+                    "column": 16,
+                    "line": 6,
+                  },
+                },
+                "name": "base",
+                "start": 68,
+                "type": "Identifier",
+              },
+              Node {
+                "end": 77,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 25,
+                    "line": 6,
+                  },
+                  "start": Position {
+                    "column": 22,
+                    "line": 6,
+                  },
+                },
+                "name": "exp",
+                "start": 74,
+                "type": "Identifier",
+              },
+              Node {
+                "end": 80,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 28,
+                    "line": 6,
+                  },
+                  "start": Position {
+                    "column": 27,
+                    "line": 6,
+                  },
+                },
+                "name": "m",
+                "start": 79,
+                "type": "Identifier",
+              },
+            ],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 15,
+              "line": 19,
+            },
+            "start": Position {
+              "column": 0,
+              "line": 19,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "alternate": Object {
+                "body": Array [
+                  Object {
+                    "alternate": Object {
+                      "body": Array [
+                        Object {
+                          "argument": Object {
+                            "left": Object {
+                              "left": Object {
+                                "loc": undefined,
+                                "type": "Literal",
+                                "value": 4,
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 50,
+                                  "line": 14,
+                                },
+                                "start": Position {
+                                  "column": 19,
+                                  "line": 14,
+                                },
+                              },
+                              "operator": "*",
+                              "right": Object {
+                                "arguments": Array [
+                                  Object {
+                                    "loc": undefined,
+                                    "type": "Literal",
+                                    "value": 4,
+                                  },
+                                  Object {
+                                    "left": Object {
+                                      "loc": undefined,
+                                      "type": "Literal",
+                                      "value": 3,
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 46,
+                                        "line": 14,
+                                      },
+                                      "start": Position {
+                                        "column": 39,
+                                        "line": 14,
+                                      },
+                                    },
+                                    "operator": "-",
+                                    "right": Node {
+                                      "end": 323,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 46,
+                                          "line": 14,
+                                        },
+                                        "start": Position {
+                                          "column": 45,
+                                          "line": 14,
+                                        },
+                                      },
+                                      "raw": "1",
+                                      "start": 322,
+                                      "type": "Literal",
+                                      "value": 1,
+                                    },
+                                    "type": "BinaryExpression",
+                                  },
+                                  Object {
+                                    "loc": undefined,
+                                    "type": "Literal",
+                                    "value": 5,
+                                  },
+                                ],
+                                "callee": Object {
+                                  "body": Object {
+                                    "body": Array [
+                                      Object {
+                                        "alternate": Object {
+                                          "body": Array [
+                                            Object {
+                                              "alternate": Object {
+                                                "body": Array [
+                                                  Object {
+                                                    "argument": Object {
+                                                      "left": Object {
+                                                        "left": Node {
+                                                          "end": 300,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 23,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 19,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "name": "base",
+                                                          "start": 296,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 50,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "operator": "*",
+                                                        "right": Object {
+                                                          "arguments": Array [
+                                                            Node {
+                                                              "end": 314,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 37,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 33,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "name": "base",
+                                                              "start": 310,
+                                                              "type": "Identifier",
+                                                            },
+                                                            Object {
+                                                              "left": Node {
+                                                                "end": 319,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 42,
+                                                                    "line": 14,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 39,
+                                                                    "line": 14,
+                                                                  },
+                                                                },
+                                                                "name": "exp",
+                                                                "start": 316,
+                                                                "type": "Identifier",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 46,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 39,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "operator": "-",
+                                                              "right": Node {
+                                                                "end": 323,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 46,
+                                                                    "line": 14,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 45,
+                                                                    "line": 14,
+                                                                  },
+                                                                },
+                                                                "raw": "1",
+                                                                "start": 322,
+                                                                "type": "Literal",
+                                                                "value": 1,
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            Node {
+                                                              "end": 326,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 49,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 48,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "name": "m",
+                                                              "start": 325,
+                                                              "type": "Identifier",
+                                                            },
+                                                          ],
+                                                          "callee": [Circular],
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 50,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 26,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "type": "CallExpression",
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 54,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "operator": "%",
+                                                      "right": Node {
+                                                        "end": 331,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 54,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 53,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "name": "m",
+                                                        "start": 330,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 55,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 12,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "type": "ReturnStatement",
+                                                  },
+                                                ],
+                                                "type": "BlockStatement",
+                                              },
+                                              "consequent": Object {
+                                                "body": Array [
+                                                  Object {
+                                                    "declarations": Array [
+                                                      Object {
+                                                        "id": Node {
+                                                          "end": 189,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 25,
+                                                              "line": 11,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 18,
+                                                              "line": 11,
+                                                            },
+                                                          },
+                                                          "name": "to_half",
+                                                          "start": 182,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "init": Object {
+                                                          "arguments": Array [
+                                                            Node {
+                                                              "end": 203,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 39,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 35,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "name": "base",
+                                                              "start": 199,
+                                                              "type": "Identifier",
+                                                            },
+                                                            Object {
+                                                              "left": Node {
+                                                                "end": 208,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 44,
+                                                                    "line": 11,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 41,
+                                                                    "line": 11,
+                                                                  },
+                                                                },
+                                                                "name": "exp",
+                                                                "start": 205,
+                                                                "type": "Identifier",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 48,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 41,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "operator": "/",
+                                                              "right": Node {
+                                                                "end": 212,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 48,
+                                                                    "line": 11,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 47,
+                                                                    "line": 11,
+                                                                  },
+                                                                },
+                                                                "raw": "2",
+                                                                "start": 211,
+                                                                "type": "Literal",
+                                                                "value": 2,
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            Node {
+                                                              "end": 215,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 51,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 50,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "name": "m",
+                                                              "start": 214,
+                                                              "type": "Identifier",
+                                                            },
+                                                          ],
+                                                          "callee": [Circular],
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 52,
+                                                              "line": 11,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 28,
+                                                              "line": 11,
+                                                            },
+                                                          },
+                                                          "type": "CallExpression",
+                                                        },
+                                                        "loc": undefined,
+                                                        "type": "VariableDeclarator",
+                                                      },
+                                                    ],
+                                                    "kind": "const",
+                                                    "loc": undefined,
+                                                    "type": "VariableDeclaration",
+                                                  },
+                                                  Object {
+                                                    "argument": Object {
+                                                      "left": Object {
+                                                        "left": Node {
+                                                          "end": 244,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 26,
+                                                              "line": 12,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 19,
+                                                              "line": 12,
+                                                            },
+                                                          },
+                                                          "name": "to_half",
+                                                          "start": 237,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 36,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "operator": "*",
+                                                        "right": Node {
+                                                          "end": 254,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 36,
+                                                              "line": 12,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 29,
+                                                              "line": 12,
+                                                            },
+                                                          },
+                                                          "name": "to_half",
+                                                          "start": 247,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 40,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "operator": "%",
+                                                      "right": Node {
+                                                        "end": 258,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 40,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 39,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "m",
+                                                        "start": 257,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 41,
+                                                        "line": 12,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 12,
+                                                        "line": 12,
+                                                      },
+                                                    },
+                                                    "type": "ReturnStatement",
+                                                  },
+                                                ],
+                                                "type": "BlockStatement",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 9,
+                                                  "line": 15,
+                                                },
+                                                "start": Position {
+                                                  "column": 8,
+                                                  "line": 10,
+                                                },
+                                              },
+                                              "test": Object {
+                                                "arguments": Array [
+                                                  Node {
+                                                    "end": 159,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 23,
+                                                        "line": 10,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 20,
+                                                        "line": 10,
+                                                      },
+                                                    },
+                                                    "name": "exp",
+                                                    "start": 156,
+                                                    "type": "Identifier",
+                                                  },
+                                                ],
+                                                "callee": Object {
+                                                  "body": Object {
+                                                    "body": Array [
+                                                      Object {
+                                                        "argument": Object {
+                                                          "left": Object {
+                                                            "left": Node {
+                                                              "end": 37,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 12,
+                                                                  "line": 3,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 11,
+                                                                  "line": 3,
+                                                                },
+                                                              },
+                                                              "name": "n",
+                                                              "start": 36,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 16,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 11,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "operator": "%",
+                                                            "right": Node {
+                                                              "end": 41,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 16,
+                                                                  "line": 3,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 15,
+                                                                  "line": 3,
+                                                                },
+                                                              },
+                                                              "raw": "2",
+                                                              "start": 40,
+                                                              "type": "Literal",
+                                                              "value": 2,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 22,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 11,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "operator": "===",
+                                                          "right": Node {
+                                                            "end": 47,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 22,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 21,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "raw": "0",
+                                                            "start": 46,
+                                                            "type": "Literal",
+                                                            "value": 0,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 23,
+                                                            "line": 3,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 4,
+                                                            "line": 3,
+                                                          },
+                                                        },
+                                                        "type": "ReturnStatement",
+                                                      },
+                                                    ],
+                                                    "type": "BlockStatement",
+                                                  },
+                                                  "id": Node {
+                                                    "end": 19,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 18,
+                                                        "line": 2,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 11,
+                                                        "line": 2,
+                                                      },
+                                                    },
+                                                    "name": "is_even",
+                                                    "start": 12,
+                                                    "type": "Identifier",
+                                                  },
+                                                  "loc": undefined,
+                                                  "params": Array [
+                                                    Node {
+                                                      "end": 21,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 20,
+                                                          "line": 2,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 2,
+                                                        },
+                                                      },
+                                                      "name": "n",
+                                                      "start": 20,
+                                                      "type": "Identifier",
+                                                    },
+                                                  ],
+                                                  "type": "FunctionExpression",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 24,
+                                                    "line": 10,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 12,
+                                                    "line": 10,
+                                                  },
+                                                },
+                                                "type": "CallExpression",
+                                              },
+                                              "type": "IfStatement",
+                                            },
+                                          ],
+                                          "type": "BlockStatement",
+                                        },
+                                        "consequent": Object {
+                                          "body": Array [
+                                            Object {
+                                              "argument": Node {
+                                                "end": 121,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 16,
+                                                    "line": 8,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 15,
+                                                    "line": 8,
+                                                  },
+                                                },
+                                                "raw": "1",
+                                                "start": 120,
+                                                "type": "Literal",
+                                                "value": 1,
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 17,
+                                                  "line": 8,
+                                                },
+                                                "start": Position {
+                                                  "column": 8,
+                                                  "line": 8,
+                                                },
+                                              },
+                                              "type": "ReturnStatement",
+                                            },
+                                          ],
+                                          "type": "BlockStatement",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 5,
+                                            "line": 16,
+                                          },
+                                          "start": Position {
+                                            "column": 4,
+                                            "line": 7,
+                                          },
+                                        },
+                                        "test": Object {
+                                          "left": Node {
+                                            "end": 95,
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 11,
+                                                "line": 7,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 7,
+                                              },
+                                            },
+                                            "name": "exp",
+                                            "start": 92,
+                                            "type": "Identifier",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 17,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 8,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "operator": "===",
+                                          "right": Node {
+                                            "end": 101,
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 17,
+                                                "line": 7,
+                                              },
+                                              "start": Position {
+                                                "column": 16,
+                                                "line": 7,
+                                              },
+                                            },
+                                            "raw": "0",
+                                            "start": 100,
+                                            "type": "Literal",
+                                            "value": 0,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "type": "IfStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                  "id": Node {
+                                    "end": 67,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 15,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 9,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "expmod",
+                                    "start": 61,
+                                    "type": "Identifier",
+                                  },
+                                  "loc": undefined,
+                                  "params": Array [
+                                    Node {
+                                      "end": 72,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 20,
+                                          "line": 6,
+                                        },
+                                        "start": Position {
+                                          "column": 16,
+                                          "line": 6,
+                                        },
+                                      },
+                                      "name": "base",
+                                      "start": 68,
+                                      "type": "Identifier",
+                                    },
+                                    Node {
+                                      "end": 77,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 25,
+                                          "line": 6,
+                                        },
+                                        "start": Position {
+                                          "column": 22,
+                                          "line": 6,
+                                        },
+                                      },
+                                      "name": "exp",
+                                      "start": 74,
+                                      "type": "Identifier",
+                                    },
+                                    Node {
+                                      "end": 80,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 28,
+                                          "line": 6,
+                                        },
+                                        "start": Position {
+                                          "column": 27,
+                                          "line": 6,
+                                        },
+                                      },
+                                      "name": "m",
+                                      "start": 79,
+                                      "type": "Identifier",
+                                    },
+                                  ],
+                                  "type": "FunctionExpression",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 50,
+                                    "line": 14,
+                                  },
+                                  "start": Position {
+                                    "column": 26,
+                                    "line": 14,
+                                  },
+                                },
+                                "type": "CallExpression",
+                              },
+                              "type": "BinaryExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 54,
+                                "line": 14,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 14,
+                              },
+                            },
+                            "operator": "%",
+                            "right": Object {
+                              "loc": undefined,
+                              "type": "Literal",
+                              "value": 5,
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 55,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 12,
+                              "line": 14,
+                            },
+                          },
+                          "type": "ReturnStatement",
+                        },
+                      ],
+                      "type": "BlockStatement",
+                    },
+                    "consequent": Object {
+                      "body": Array [
+                        Object {
+                          "declarations": Array [
+                            Object {
+                              "id": Node {
+                                "end": 189,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 25,
+                                    "line": 11,
+                                  },
+                                  "start": Position {
+                                    "column": 18,
+                                    "line": 11,
+                                  },
+                                },
+                                "name": "to_half",
+                                "start": 182,
+                                "type": "Identifier",
+                              },
+                              "init": Object {
+                                "arguments": Array [
+                                  Object {
+                                    "loc": undefined,
+                                    "type": "Literal",
+                                    "value": 4,
+                                  },
+                                  Object {
+                                    "left": Object {
+                                      "loc": undefined,
+                                      "type": "Literal",
+                                      "value": 3,
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 48,
+                                        "line": 11,
+                                      },
+                                      "start": Position {
+                                        "column": 41,
+                                        "line": 11,
+                                      },
+                                    },
+                                    "operator": "/",
+                                    "right": Node {
+                                      "end": 212,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 48,
+                                          "line": 11,
+                                        },
+                                        "start": Position {
+                                          "column": 47,
+                                          "line": 11,
+                                        },
+                                      },
+                                      "raw": "2",
+                                      "start": 211,
+                                      "type": "Literal",
+                                      "value": 2,
+                                    },
+                                    "type": "BinaryExpression",
+                                  },
+                                  Object {
+                                    "loc": undefined,
+                                    "type": "Literal",
+                                    "value": 5,
+                                  },
+                                ],
+                                "callee": Object {
+                                  "body": Object {
+                                    "body": Array [
+                                      Object {
+                                        "alternate": Object {
+                                          "body": Array [
+                                            Object {
+                                              "alternate": Object {
+                                                "body": Array [
+                                                  Object {
+                                                    "argument": Object {
+                                                      "left": Object {
+                                                        "left": Node {
+                                                          "end": 300,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 23,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 19,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "name": "base",
+                                                          "start": 296,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 50,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "operator": "*",
+                                                        "right": Object {
+                                                          "arguments": Array [
+                                                            Node {
+                                                              "end": 314,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 37,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 33,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "name": "base",
+                                                              "start": 310,
+                                                              "type": "Identifier",
+                                                            },
+                                                            Object {
+                                                              "left": Node {
+                                                                "end": 319,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 42,
+                                                                    "line": 14,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 39,
+                                                                    "line": 14,
+                                                                  },
+                                                                },
+                                                                "name": "exp",
+                                                                "start": 316,
+                                                                "type": "Identifier",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 46,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 39,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "operator": "-",
+                                                              "right": Node {
+                                                                "end": 323,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 46,
+                                                                    "line": 14,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 45,
+                                                                    "line": 14,
+                                                                  },
+                                                                },
+                                                                "raw": "1",
+                                                                "start": 322,
+                                                                "type": "Literal",
+                                                                "value": 1,
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            Node {
+                                                              "end": 326,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 49,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 48,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "name": "m",
+                                                              "start": 325,
+                                                              "type": "Identifier",
+                                                            },
+                                                          ],
+                                                          "callee": [Circular],
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 50,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 26,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "type": "CallExpression",
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 54,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "operator": "%",
+                                                      "right": Node {
+                                                        "end": 331,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 54,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 53,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "name": "m",
+                                                        "start": 330,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 55,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 12,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "type": "ReturnStatement",
+                                                  },
+                                                ],
+                                                "type": "BlockStatement",
+                                              },
+                                              "consequent": Object {
+                                                "body": Array [
+                                                  Object {
+                                                    "declarations": Array [
+                                                      Object {
+                                                        "id": Node {
+                                                          "end": 189,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 25,
+                                                              "line": 11,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 18,
+                                                              "line": 11,
+                                                            },
+                                                          },
+                                                          "name": "to_half",
+                                                          "start": 182,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "init": Object {
+                                                          "arguments": Array [
+                                                            Node {
+                                                              "end": 203,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 39,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 35,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "name": "base",
+                                                              "start": 199,
+                                                              "type": "Identifier",
+                                                            },
+                                                            Object {
+                                                              "left": Node {
+                                                                "end": 208,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 44,
+                                                                    "line": 11,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 41,
+                                                                    "line": 11,
+                                                                  },
+                                                                },
+                                                                "name": "exp",
+                                                                "start": 205,
+                                                                "type": "Identifier",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 48,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 41,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "operator": "/",
+                                                              "right": Node {
+                                                                "end": 212,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 48,
+                                                                    "line": 11,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 47,
+                                                                    "line": 11,
+                                                                  },
+                                                                },
+                                                                "raw": "2",
+                                                                "start": 211,
+                                                                "type": "Literal",
+                                                                "value": 2,
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            Node {
+                                                              "end": 215,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 51,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 50,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "name": "m",
+                                                              "start": 214,
+                                                              "type": "Identifier",
+                                                            },
+                                                          ],
+                                                          "callee": [Circular],
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 52,
+                                                              "line": 11,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 28,
+                                                              "line": 11,
+                                                            },
+                                                          },
+                                                          "type": "CallExpression",
+                                                        },
+                                                        "loc": undefined,
+                                                        "type": "VariableDeclarator",
+                                                      },
+                                                    ],
+                                                    "kind": "const",
+                                                    "loc": undefined,
+                                                    "type": "VariableDeclaration",
+                                                  },
+                                                  Object {
+                                                    "argument": Object {
+                                                      "left": Object {
+                                                        "left": Node {
+                                                          "end": 244,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 26,
+                                                              "line": 12,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 19,
+                                                              "line": 12,
+                                                            },
+                                                          },
+                                                          "name": "to_half",
+                                                          "start": 237,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 36,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "operator": "*",
+                                                        "right": Node {
+                                                          "end": 254,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 36,
+                                                              "line": 12,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 29,
+                                                              "line": 12,
+                                                            },
+                                                          },
+                                                          "name": "to_half",
+                                                          "start": 247,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 40,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "operator": "%",
+                                                      "right": Node {
+                                                        "end": 258,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 40,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 39,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "m",
+                                                        "start": 257,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 41,
+                                                        "line": 12,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 12,
+                                                        "line": 12,
+                                                      },
+                                                    },
+                                                    "type": "ReturnStatement",
+                                                  },
+                                                ],
+                                                "type": "BlockStatement",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 9,
+                                                  "line": 15,
+                                                },
+                                                "start": Position {
+                                                  "column": 8,
+                                                  "line": 10,
+                                                },
+                                              },
+                                              "test": Object {
+                                                "arguments": Array [
+                                                  Node {
+                                                    "end": 159,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 23,
+                                                        "line": 10,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 20,
+                                                        "line": 10,
+                                                      },
+                                                    },
+                                                    "name": "exp",
+                                                    "start": 156,
+                                                    "type": "Identifier",
+                                                  },
+                                                ],
+                                                "callee": Object {
+                                                  "body": Object {
+                                                    "body": Array [
+                                                      Object {
+                                                        "argument": Object {
+                                                          "left": Object {
+                                                            "left": Node {
+                                                              "end": 37,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 12,
+                                                                  "line": 3,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 11,
+                                                                  "line": 3,
+                                                                },
+                                                              },
+                                                              "name": "n",
+                                                              "start": 36,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 16,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 11,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "operator": "%",
+                                                            "right": Node {
+                                                              "end": 41,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 16,
+                                                                  "line": 3,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 15,
+                                                                  "line": 3,
+                                                                },
+                                                              },
+                                                              "raw": "2",
+                                                              "start": 40,
+                                                              "type": "Literal",
+                                                              "value": 2,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 22,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 11,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "operator": "===",
+                                                          "right": Node {
+                                                            "end": 47,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 22,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 21,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "raw": "0",
+                                                            "start": 46,
+                                                            "type": "Literal",
+                                                            "value": 0,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 23,
+                                                            "line": 3,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 4,
+                                                            "line": 3,
+                                                          },
+                                                        },
+                                                        "type": "ReturnStatement",
+                                                      },
+                                                    ],
+                                                    "type": "BlockStatement",
+                                                  },
+                                                  "id": Node {
+                                                    "end": 19,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 18,
+                                                        "line": 2,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 11,
+                                                        "line": 2,
+                                                      },
+                                                    },
+                                                    "name": "is_even",
+                                                    "start": 12,
+                                                    "type": "Identifier",
+                                                  },
+                                                  "loc": undefined,
+                                                  "params": Array [
+                                                    Node {
+                                                      "end": 21,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 20,
+                                                          "line": 2,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 2,
+                                                        },
+                                                      },
+                                                      "name": "n",
+                                                      "start": 20,
+                                                      "type": "Identifier",
+                                                    },
+                                                  ],
+                                                  "type": "FunctionExpression",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 24,
+                                                    "line": 10,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 12,
+                                                    "line": 10,
+                                                  },
+                                                },
+                                                "type": "CallExpression",
+                                              },
+                                              "type": "IfStatement",
+                                            },
+                                          ],
+                                          "type": "BlockStatement",
+                                        },
+                                        "consequent": Object {
+                                          "body": Array [
+                                            Object {
+                                              "argument": Node {
+                                                "end": 121,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 16,
+                                                    "line": 8,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 15,
+                                                    "line": 8,
+                                                  },
+                                                },
+                                                "raw": "1",
+                                                "start": 120,
+                                                "type": "Literal",
+                                                "value": 1,
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 17,
+                                                  "line": 8,
+                                                },
+                                                "start": Position {
+                                                  "column": 8,
+                                                  "line": 8,
+                                                },
+                                              },
+                                              "type": "ReturnStatement",
+                                            },
+                                          ],
+                                          "type": "BlockStatement",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 5,
+                                            "line": 16,
+                                          },
+                                          "start": Position {
+                                            "column": 4,
+                                            "line": 7,
+                                          },
+                                        },
+                                        "test": Object {
+                                          "left": Node {
+                                            "end": 95,
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 11,
+                                                "line": 7,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 7,
+                                              },
+                                            },
+                                            "name": "exp",
+                                            "start": 92,
+                                            "type": "Identifier",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 17,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 8,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "operator": "===",
+                                          "right": Node {
+                                            "end": 101,
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 17,
+                                                "line": 7,
+                                              },
+                                              "start": Position {
+                                                "column": 16,
+                                                "line": 7,
+                                              },
+                                            },
+                                            "raw": "0",
+                                            "start": 100,
+                                            "type": "Literal",
+                                            "value": 0,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "type": "IfStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                  "id": Node {
+                                    "end": 67,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 15,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 9,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "expmod",
+                                    "start": 61,
+                                    "type": "Identifier",
+                                  },
+                                  "loc": undefined,
+                                  "params": Array [
+                                    Node {
+                                      "end": 72,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 20,
+                                          "line": 6,
+                                        },
+                                        "start": Position {
+                                          "column": 16,
+                                          "line": 6,
+                                        },
+                                      },
+                                      "name": "base",
+                                      "start": 68,
+                                      "type": "Identifier",
+                                    },
+                                    Node {
+                                      "end": 77,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 25,
+                                          "line": 6,
+                                        },
+                                        "start": Position {
+                                          "column": 22,
+                                          "line": 6,
+                                        },
+                                      },
+                                      "name": "exp",
+                                      "start": 74,
+                                      "type": "Identifier",
+                                    },
+                                    Node {
+                                      "end": 80,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 28,
+                                          "line": 6,
+                                        },
+                                        "start": Position {
+                                          "column": 27,
+                                          "line": 6,
+                                        },
+                                      },
+                                      "name": "m",
+                                      "start": 79,
+                                      "type": "Identifier",
+                                    },
+                                  ],
+                                  "type": "FunctionExpression",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 52,
+                                    "line": 11,
+                                  },
+                                  "start": Position {
+                                    "column": 28,
+                                    "line": 11,
+                                  },
+                                },
+                                "type": "CallExpression",
+                              },
+                              "loc": undefined,
+                              "type": "VariableDeclarator",
+                            },
+                          ],
+                          "kind": "const",
+                          "loc": undefined,
+                          "type": "VariableDeclaration",
+                        },
+                        Object {
+                          "argument": Object {
+                            "left": Object {
+                              "left": Node {
+                                "end": 244,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 26,
+                                    "line": 12,
+                                  },
+                                  "start": Position {
+                                    "column": 19,
+                                    "line": 12,
+                                  },
+                                },
+                                "name": "to_half",
+                                "start": 237,
+                                "type": "Identifier",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 36,
+                                  "line": 12,
+                                },
+                                "start": Position {
+                                  "column": 19,
+                                  "line": 12,
+                                },
+                              },
+                              "operator": "*",
+                              "right": Node {
+                                "end": 254,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 36,
+                                    "line": 12,
+                                  },
+                                  "start": Position {
+                                    "column": 29,
+                                    "line": 12,
+                                  },
+                                },
+                                "name": "to_half",
+                                "start": 247,
+                                "type": "Identifier",
+                              },
+                              "type": "BinaryExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 40,
+                                "line": 12,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 12,
+                              },
+                            },
+                            "operator": "%",
+                            "right": Object {
+                              "loc": undefined,
+                              "type": "Literal",
+                              "value": 5,
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 41,
+                              "line": 12,
+                            },
+                            "start": Position {
+                              "column": 12,
+                              "line": 12,
+                            },
+                          },
+                          "type": "ReturnStatement",
+                        },
+                      ],
+                      "type": "BlockStatement",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 9,
+                        "line": 15,
+                      },
+                      "start": Position {
+                        "column": 8,
+                        "line": 10,
+                      },
+                    },
+                    "test": Object {
+                      "arguments": Array [
+                        Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 3,
+                        },
+                      ],
+                      "callee": Object {
+                        "body": Object {
+                          "body": Array [
+                            Object {
+                              "argument": Object {
+                                "left": Object {
+                                  "left": Node {
+                                    "end": 37,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 12,
+                                        "line": 3,
+                                      },
+                                      "start": Position {
+                                        "column": 11,
+                                        "line": 3,
+                                      },
+                                    },
+                                    "name": "n",
+                                    "start": 36,
+                                    "type": "Identifier",
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 16,
+                                      "line": 3,
+                                    },
+                                    "start": Position {
+                                      "column": 11,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "operator": "%",
+                                  "right": Node {
+                                    "end": 41,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 16,
+                                        "line": 3,
+                                      },
+                                      "start": Position {
+                                        "column": 15,
+                                        "line": 3,
+                                      },
+                                    },
+                                    "raw": "2",
+                                    "start": 40,
+                                    "type": "Literal",
+                                    "value": 2,
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 22,
+                                    "line": 3,
+                                  },
+                                  "start": Position {
+                                    "column": 11,
+                                    "line": 3,
+                                  },
+                                },
+                                "operator": "===",
+                                "right": Node {
+                                  "end": 47,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 22,
+                                      "line": 3,
+                                    },
+                                    "start": Position {
+                                      "column": 21,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "raw": "0",
+                                  "start": 46,
+                                  "type": "Literal",
+                                  "value": 0,
+                                },
+                                "type": "BinaryExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 23,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 4,
+                                  "line": 3,
+                                },
+                              },
+                              "type": "ReturnStatement",
+                            },
+                          ],
+                          "type": "BlockStatement",
+                        },
+                        "id": Node {
+                          "end": 19,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 18,
+                              "line": 2,
+                            },
+                            "start": Position {
+                              "column": 11,
+                              "line": 2,
+                            },
+                          },
+                          "name": "is_even",
+                          "start": 12,
+                          "type": "Identifier",
+                        },
+                        "loc": undefined,
+                        "params": Array [
+                          Node {
+                            "end": 21,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 20,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 2,
+                              },
+                            },
+                            "name": "n",
+                            "start": 20,
+                            "type": "Identifier",
+                          },
+                        ],
+                        "type": "FunctionExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 24,
+                          "line": 10,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 10,
+                        },
+                      },
+                      "type": "CallExpression",
+                    },
+                    "type": "IfStatement",
+                  },
+                ],
+                "type": "BlockStatement",
+              },
+              "consequent": Object {
+                "body": Array [
+                  Object {
+                    "argument": Node {
+                      "end": 121,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 16,
+                          "line": 8,
+                        },
+                        "start": Position {
+                          "column": 15,
+                          "line": 8,
+                        },
+                      },
+                      "raw": "1",
+                      "start": 120,
+                      "type": "Literal",
+                      "value": 1,
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 17,
+                        "line": 8,
+                      },
+                      "start": Position {
+                        "column": 8,
+                        "line": 8,
+                      },
+                    },
+                    "type": "ReturnStatement",
+                  },
+                ],
+                "type": "BlockStatement",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 5,
+                  "line": 16,
+                },
+                "start": Position {
+                  "column": 4,
+                  "line": 7,
+                },
+              },
+              "test": Object {
+                "left": Object {
+                  "loc": undefined,
+                  "type": "Literal",
+                  "value": 3,
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 17,
+                    "line": 7,
+                  },
+                  "start": Position {
+                    "column": 8,
+                    "line": 7,
+                  },
+                },
+                "operator": "===",
+                "right": Node {
+                  "end": 101,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 17,
+                      "line": 7,
+                    },
+                    "start": Position {
+                      "column": 16,
+                      "line": 7,
+                    },
+                  },
+                  "raw": "0",
+                  "start": 100,
+                  "type": "Literal",
+                  "value": 0,
+                },
+                "type": "BinaryExpression",
+              },
+              "type": "IfStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "alternate": Object {
+                "body": Array [
+                  Object {
+                    "alternate": Object {
+                      "body": Array [
+                        Object {
+                          "argument": Object {
+                            "left": Object {
+                              "left": Object {
+                                "loc": undefined,
+                                "type": "Literal",
+                                "value": 4,
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 50,
+                                  "line": 14,
+                                },
+                                "start": Position {
+                                  "column": 19,
+                                  "line": 14,
+                                },
+                              },
+                              "operator": "*",
+                              "right": Object {
+                                "arguments": Array [
+                                  Object {
+                                    "loc": undefined,
+                                    "type": "Literal",
+                                    "value": 4,
+                                  },
+                                  Object {
+                                    "left": Object {
+                                      "loc": undefined,
+                                      "type": "Literal",
+                                      "value": 3,
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 46,
+                                        "line": 14,
+                                      },
+                                      "start": Position {
+                                        "column": 39,
+                                        "line": 14,
+                                      },
+                                    },
+                                    "operator": "-",
+                                    "right": Node {
+                                      "end": 323,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 46,
+                                          "line": 14,
+                                        },
+                                        "start": Position {
+                                          "column": 45,
+                                          "line": 14,
+                                        },
+                                      },
+                                      "raw": "1",
+                                      "start": 322,
+                                      "type": "Literal",
+                                      "value": 1,
+                                    },
+                                    "type": "BinaryExpression",
+                                  },
+                                  Object {
+                                    "loc": undefined,
+                                    "type": "Literal",
+                                    "value": 5,
+                                  },
+                                ],
+                                "callee": Object {
+                                  "body": Object {
+                                    "body": Array [
+                                      Object {
+                                        "alternate": Object {
+                                          "body": Array [
+                                            Object {
+                                              "alternate": Object {
+                                                "body": Array [
+                                                  Object {
+                                                    "argument": Object {
+                                                      "left": Object {
+                                                        "left": Node {
+                                                          "end": 300,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 23,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 19,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "name": "base",
+                                                          "start": 296,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 50,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "operator": "*",
+                                                        "right": Object {
+                                                          "arguments": Array [
+                                                            Node {
+                                                              "end": 314,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 37,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 33,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "name": "base",
+                                                              "start": 310,
+                                                              "type": "Identifier",
+                                                            },
+                                                            Object {
+                                                              "left": Node {
+                                                                "end": 319,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 42,
+                                                                    "line": 14,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 39,
+                                                                    "line": 14,
+                                                                  },
+                                                                },
+                                                                "name": "exp",
+                                                                "start": 316,
+                                                                "type": "Identifier",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 46,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 39,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "operator": "-",
+                                                              "right": Node {
+                                                                "end": 323,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 46,
+                                                                    "line": 14,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 45,
+                                                                    "line": 14,
+                                                                  },
+                                                                },
+                                                                "raw": "1",
+                                                                "start": 322,
+                                                                "type": "Literal",
+                                                                "value": 1,
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            Node {
+                                                              "end": 326,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 49,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 48,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "name": "m",
+                                                              "start": 325,
+                                                              "type": "Identifier",
+                                                            },
+                                                          ],
+                                                          "callee": [Circular],
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 50,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 26,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "type": "CallExpression",
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 54,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "operator": "%",
+                                                      "right": Node {
+                                                        "end": 331,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 54,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 53,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "name": "m",
+                                                        "start": 330,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 55,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 12,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "type": "ReturnStatement",
+                                                  },
+                                                ],
+                                                "type": "BlockStatement",
+                                              },
+                                              "consequent": Object {
+                                                "body": Array [
+                                                  Object {
+                                                    "declarations": Array [
+                                                      Object {
+                                                        "id": Node {
+                                                          "end": 189,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 25,
+                                                              "line": 11,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 18,
+                                                              "line": 11,
+                                                            },
+                                                          },
+                                                          "name": "to_half",
+                                                          "start": 182,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "init": Object {
+                                                          "arguments": Array [
+                                                            Node {
+                                                              "end": 203,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 39,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 35,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "name": "base",
+                                                              "start": 199,
+                                                              "type": "Identifier",
+                                                            },
+                                                            Object {
+                                                              "left": Node {
+                                                                "end": 208,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 44,
+                                                                    "line": 11,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 41,
+                                                                    "line": 11,
+                                                                  },
+                                                                },
+                                                                "name": "exp",
+                                                                "start": 205,
+                                                                "type": "Identifier",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 48,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 41,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "operator": "/",
+                                                              "right": Node {
+                                                                "end": 212,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 48,
+                                                                    "line": 11,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 47,
+                                                                    "line": 11,
+                                                                  },
+                                                                },
+                                                                "raw": "2",
+                                                                "start": 211,
+                                                                "type": "Literal",
+                                                                "value": 2,
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            Node {
+                                                              "end": 215,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 51,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 50,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "name": "m",
+                                                              "start": 214,
+                                                              "type": "Identifier",
+                                                            },
+                                                          ],
+                                                          "callee": [Circular],
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 52,
+                                                              "line": 11,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 28,
+                                                              "line": 11,
+                                                            },
+                                                          },
+                                                          "type": "CallExpression",
+                                                        },
+                                                        "loc": undefined,
+                                                        "type": "VariableDeclarator",
+                                                      },
+                                                    ],
+                                                    "kind": "const",
+                                                    "loc": undefined,
+                                                    "type": "VariableDeclaration",
+                                                  },
+                                                  Object {
+                                                    "argument": Object {
+                                                      "left": Object {
+                                                        "left": Node {
+                                                          "end": 244,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 26,
+                                                              "line": 12,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 19,
+                                                              "line": 12,
+                                                            },
+                                                          },
+                                                          "name": "to_half",
+                                                          "start": 237,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 36,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "operator": "*",
+                                                        "right": Node {
+                                                          "end": 254,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 36,
+                                                              "line": 12,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 29,
+                                                              "line": 12,
+                                                            },
+                                                          },
+                                                          "name": "to_half",
+                                                          "start": 247,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 40,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "operator": "%",
+                                                      "right": Node {
+                                                        "end": 258,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 40,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 39,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "m",
+                                                        "start": 257,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 41,
+                                                        "line": 12,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 12,
+                                                        "line": 12,
+                                                      },
+                                                    },
+                                                    "type": "ReturnStatement",
+                                                  },
+                                                ],
+                                                "type": "BlockStatement",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 9,
+                                                  "line": 15,
+                                                },
+                                                "start": Position {
+                                                  "column": 8,
+                                                  "line": 10,
+                                                },
+                                              },
+                                              "test": Object {
+                                                "arguments": Array [
+                                                  Node {
+                                                    "end": 159,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 23,
+                                                        "line": 10,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 20,
+                                                        "line": 10,
+                                                      },
+                                                    },
+                                                    "name": "exp",
+                                                    "start": 156,
+                                                    "type": "Identifier",
+                                                  },
+                                                ],
+                                                "callee": Object {
+                                                  "body": Object {
+                                                    "body": Array [
+                                                      Object {
+                                                        "argument": Object {
+                                                          "left": Object {
+                                                            "left": Node {
+                                                              "end": 37,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 12,
+                                                                  "line": 3,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 11,
+                                                                  "line": 3,
+                                                                },
+                                                              },
+                                                              "name": "n",
+                                                              "start": 36,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 16,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 11,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "operator": "%",
+                                                            "right": Node {
+                                                              "end": 41,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 16,
+                                                                  "line": 3,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 15,
+                                                                  "line": 3,
+                                                                },
+                                                              },
+                                                              "raw": "2",
+                                                              "start": 40,
+                                                              "type": "Literal",
+                                                              "value": 2,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 22,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 11,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "operator": "===",
+                                                          "right": Node {
+                                                            "end": 47,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 22,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 21,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "raw": "0",
+                                                            "start": 46,
+                                                            "type": "Literal",
+                                                            "value": 0,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 23,
+                                                            "line": 3,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 4,
+                                                            "line": 3,
+                                                          },
+                                                        },
+                                                        "type": "ReturnStatement",
+                                                      },
+                                                    ],
+                                                    "type": "BlockStatement",
+                                                  },
+                                                  "id": Node {
+                                                    "end": 19,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 18,
+                                                        "line": 2,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 11,
+                                                        "line": 2,
+                                                      },
+                                                    },
+                                                    "name": "is_even",
+                                                    "start": 12,
+                                                    "type": "Identifier",
+                                                  },
+                                                  "loc": undefined,
+                                                  "params": Array [
+                                                    Node {
+                                                      "end": 21,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 20,
+                                                          "line": 2,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 2,
+                                                        },
+                                                      },
+                                                      "name": "n",
+                                                      "start": 20,
+                                                      "type": "Identifier",
+                                                    },
+                                                  ],
+                                                  "type": "FunctionExpression",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 24,
+                                                    "line": 10,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 12,
+                                                    "line": 10,
+                                                  },
+                                                },
+                                                "type": "CallExpression",
+                                              },
+                                              "type": "IfStatement",
+                                            },
+                                          ],
+                                          "type": "BlockStatement",
+                                        },
+                                        "consequent": Object {
+                                          "body": Array [
+                                            Object {
+                                              "argument": Node {
+                                                "end": 121,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 16,
+                                                    "line": 8,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 15,
+                                                    "line": 8,
+                                                  },
+                                                },
+                                                "raw": "1",
+                                                "start": 120,
+                                                "type": "Literal",
+                                                "value": 1,
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 17,
+                                                  "line": 8,
+                                                },
+                                                "start": Position {
+                                                  "column": 8,
+                                                  "line": 8,
+                                                },
+                                              },
+                                              "type": "ReturnStatement",
+                                            },
+                                          ],
+                                          "type": "BlockStatement",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 5,
+                                            "line": 16,
+                                          },
+                                          "start": Position {
+                                            "column": 4,
+                                            "line": 7,
+                                          },
+                                        },
+                                        "test": Object {
+                                          "left": Node {
+                                            "end": 95,
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 11,
+                                                "line": 7,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 7,
+                                              },
+                                            },
+                                            "name": "exp",
+                                            "start": 92,
+                                            "type": "Identifier",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 17,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 8,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "operator": "===",
+                                          "right": Node {
+                                            "end": 101,
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 17,
+                                                "line": 7,
+                                              },
+                                              "start": Position {
+                                                "column": 16,
+                                                "line": 7,
+                                              },
+                                            },
+                                            "raw": "0",
+                                            "start": 100,
+                                            "type": "Literal",
+                                            "value": 0,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "type": "IfStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                  "id": Node {
+                                    "end": 67,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 15,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 9,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "expmod",
+                                    "start": 61,
+                                    "type": "Identifier",
+                                  },
+                                  "loc": undefined,
+                                  "params": Array [
+                                    Node {
+                                      "end": 72,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 20,
+                                          "line": 6,
+                                        },
+                                        "start": Position {
+                                          "column": 16,
+                                          "line": 6,
+                                        },
+                                      },
+                                      "name": "base",
+                                      "start": 68,
+                                      "type": "Identifier",
+                                    },
+                                    Node {
+                                      "end": 77,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 25,
+                                          "line": 6,
+                                        },
+                                        "start": Position {
+                                          "column": 22,
+                                          "line": 6,
+                                        },
+                                      },
+                                      "name": "exp",
+                                      "start": 74,
+                                      "type": "Identifier",
+                                    },
+                                    Node {
+                                      "end": 80,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 28,
+                                          "line": 6,
+                                        },
+                                        "start": Position {
+                                          "column": 27,
+                                          "line": 6,
+                                        },
+                                      },
+                                      "name": "m",
+                                      "start": 79,
+                                      "type": "Identifier",
+                                    },
+                                  ],
+                                  "type": "FunctionExpression",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 50,
+                                    "line": 14,
+                                  },
+                                  "start": Position {
+                                    "column": 26,
+                                    "line": 14,
+                                  },
+                                },
+                                "type": "CallExpression",
+                              },
+                              "type": "BinaryExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 54,
+                                "line": 14,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 14,
+                              },
+                            },
+                            "operator": "%",
+                            "right": Object {
+                              "loc": undefined,
+                              "type": "Literal",
+                              "value": 5,
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 55,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 12,
+                              "line": 14,
+                            },
+                          },
+                          "type": "ReturnStatement",
+                        },
+                      ],
+                      "type": "BlockStatement",
+                    },
+                    "consequent": Object {
+                      "body": Array [
+                        Object {
+                          "declarations": Array [
+                            Object {
+                              "id": Node {
+                                "end": 189,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 25,
+                                    "line": 11,
+                                  },
+                                  "start": Position {
+                                    "column": 18,
+                                    "line": 11,
+                                  },
+                                },
+                                "name": "to_half",
+                                "start": 182,
+                                "type": "Identifier",
+                              },
+                              "init": Object {
+                                "arguments": Array [
+                                  Object {
+                                    "loc": undefined,
+                                    "type": "Literal",
+                                    "value": 4,
+                                  },
+                                  Object {
+                                    "left": Object {
+                                      "loc": undefined,
+                                      "type": "Literal",
+                                      "value": 3,
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 48,
+                                        "line": 11,
+                                      },
+                                      "start": Position {
+                                        "column": 41,
+                                        "line": 11,
+                                      },
+                                    },
+                                    "operator": "/",
+                                    "right": Node {
+                                      "end": 212,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 48,
+                                          "line": 11,
+                                        },
+                                        "start": Position {
+                                          "column": 47,
+                                          "line": 11,
+                                        },
+                                      },
+                                      "raw": "2",
+                                      "start": 211,
+                                      "type": "Literal",
+                                      "value": 2,
+                                    },
+                                    "type": "BinaryExpression",
+                                  },
+                                  Object {
+                                    "loc": undefined,
+                                    "type": "Literal",
+                                    "value": 5,
+                                  },
+                                ],
+                                "callee": Object {
+                                  "body": Object {
+                                    "body": Array [
+                                      Object {
+                                        "alternate": Object {
+                                          "body": Array [
+                                            Object {
+                                              "alternate": Object {
+                                                "body": Array [
+                                                  Object {
+                                                    "argument": Object {
+                                                      "left": Object {
+                                                        "left": Node {
+                                                          "end": 300,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 23,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 19,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "name": "base",
+                                                          "start": 296,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 50,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "operator": "*",
+                                                        "right": Object {
+                                                          "arguments": Array [
+                                                            Node {
+                                                              "end": 314,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 37,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 33,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "name": "base",
+                                                              "start": 310,
+                                                              "type": "Identifier",
+                                                            },
+                                                            Object {
+                                                              "left": Node {
+                                                                "end": 319,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 42,
+                                                                    "line": 14,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 39,
+                                                                    "line": 14,
+                                                                  },
+                                                                },
+                                                                "name": "exp",
+                                                                "start": 316,
+                                                                "type": "Identifier",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 46,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 39,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "operator": "-",
+                                                              "right": Node {
+                                                                "end": 323,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 46,
+                                                                    "line": 14,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 45,
+                                                                    "line": 14,
+                                                                  },
+                                                                },
+                                                                "raw": "1",
+                                                                "start": 322,
+                                                                "type": "Literal",
+                                                                "value": 1,
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            Node {
+                                                              "end": 326,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 49,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 48,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "name": "m",
+                                                              "start": 325,
+                                                              "type": "Identifier",
+                                                            },
+                                                          ],
+                                                          "callee": [Circular],
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 50,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 26,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "type": "CallExpression",
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 54,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "operator": "%",
+                                                      "right": Node {
+                                                        "end": 331,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 54,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 53,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "name": "m",
+                                                        "start": 330,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 55,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 12,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "type": "ReturnStatement",
+                                                  },
+                                                ],
+                                                "type": "BlockStatement",
+                                              },
+                                              "consequent": Object {
+                                                "body": Array [
+                                                  Object {
+                                                    "declarations": Array [
+                                                      Object {
+                                                        "id": Node {
+                                                          "end": 189,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 25,
+                                                              "line": 11,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 18,
+                                                              "line": 11,
+                                                            },
+                                                          },
+                                                          "name": "to_half",
+                                                          "start": 182,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "init": Object {
+                                                          "arguments": Array [
+                                                            Node {
+                                                              "end": 203,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 39,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 35,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "name": "base",
+                                                              "start": 199,
+                                                              "type": "Identifier",
+                                                            },
+                                                            Object {
+                                                              "left": Node {
+                                                                "end": 208,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 44,
+                                                                    "line": 11,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 41,
+                                                                    "line": 11,
+                                                                  },
+                                                                },
+                                                                "name": "exp",
+                                                                "start": 205,
+                                                                "type": "Identifier",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 48,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 41,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "operator": "/",
+                                                              "right": Node {
+                                                                "end": 212,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 48,
+                                                                    "line": 11,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 47,
+                                                                    "line": 11,
+                                                                  },
+                                                                },
+                                                                "raw": "2",
+                                                                "start": 211,
+                                                                "type": "Literal",
+                                                                "value": 2,
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            Node {
+                                                              "end": 215,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 51,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 50,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "name": "m",
+                                                              "start": 214,
+                                                              "type": "Identifier",
+                                                            },
+                                                          ],
+                                                          "callee": [Circular],
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 52,
+                                                              "line": 11,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 28,
+                                                              "line": 11,
+                                                            },
+                                                          },
+                                                          "type": "CallExpression",
+                                                        },
+                                                        "loc": undefined,
+                                                        "type": "VariableDeclarator",
+                                                      },
+                                                    ],
+                                                    "kind": "const",
+                                                    "loc": undefined,
+                                                    "type": "VariableDeclaration",
+                                                  },
+                                                  Object {
+                                                    "argument": Object {
+                                                      "left": Object {
+                                                        "left": Node {
+                                                          "end": 244,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 26,
+                                                              "line": 12,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 19,
+                                                              "line": 12,
+                                                            },
+                                                          },
+                                                          "name": "to_half",
+                                                          "start": 237,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 36,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "operator": "*",
+                                                        "right": Node {
+                                                          "end": 254,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 36,
+                                                              "line": 12,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 29,
+                                                              "line": 12,
+                                                            },
+                                                          },
+                                                          "name": "to_half",
+                                                          "start": 247,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 40,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "operator": "%",
+                                                      "right": Node {
+                                                        "end": 258,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 40,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 39,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "m",
+                                                        "start": 257,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 41,
+                                                        "line": 12,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 12,
+                                                        "line": 12,
+                                                      },
+                                                    },
+                                                    "type": "ReturnStatement",
+                                                  },
+                                                ],
+                                                "type": "BlockStatement",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 9,
+                                                  "line": 15,
+                                                },
+                                                "start": Position {
+                                                  "column": 8,
+                                                  "line": 10,
+                                                },
+                                              },
+                                              "test": Object {
+                                                "arguments": Array [
+                                                  Node {
+                                                    "end": 159,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 23,
+                                                        "line": 10,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 20,
+                                                        "line": 10,
+                                                      },
+                                                    },
+                                                    "name": "exp",
+                                                    "start": 156,
+                                                    "type": "Identifier",
+                                                  },
+                                                ],
+                                                "callee": Object {
+                                                  "body": Object {
+                                                    "body": Array [
+                                                      Object {
+                                                        "argument": Object {
+                                                          "left": Object {
+                                                            "left": Node {
+                                                              "end": 37,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 12,
+                                                                  "line": 3,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 11,
+                                                                  "line": 3,
+                                                                },
+                                                              },
+                                                              "name": "n",
+                                                              "start": 36,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 16,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 11,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "operator": "%",
+                                                            "right": Node {
+                                                              "end": 41,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 16,
+                                                                  "line": 3,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 15,
+                                                                  "line": 3,
+                                                                },
+                                                              },
+                                                              "raw": "2",
+                                                              "start": 40,
+                                                              "type": "Literal",
+                                                              "value": 2,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 22,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 11,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "operator": "===",
+                                                          "right": Node {
+                                                            "end": 47,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 22,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 21,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "raw": "0",
+                                                            "start": 46,
+                                                            "type": "Literal",
+                                                            "value": 0,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 23,
+                                                            "line": 3,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 4,
+                                                            "line": 3,
+                                                          },
+                                                        },
+                                                        "type": "ReturnStatement",
+                                                      },
+                                                    ],
+                                                    "type": "BlockStatement",
+                                                  },
+                                                  "id": Node {
+                                                    "end": 19,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 18,
+                                                        "line": 2,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 11,
+                                                        "line": 2,
+                                                      },
+                                                    },
+                                                    "name": "is_even",
+                                                    "start": 12,
+                                                    "type": "Identifier",
+                                                  },
+                                                  "loc": undefined,
+                                                  "params": Array [
+                                                    Node {
+                                                      "end": 21,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 20,
+                                                          "line": 2,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 2,
+                                                        },
+                                                      },
+                                                      "name": "n",
+                                                      "start": 20,
+                                                      "type": "Identifier",
+                                                    },
+                                                  ],
+                                                  "type": "FunctionExpression",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 24,
+                                                    "line": 10,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 12,
+                                                    "line": 10,
+                                                  },
+                                                },
+                                                "type": "CallExpression",
+                                              },
+                                              "type": "IfStatement",
+                                            },
+                                          ],
+                                          "type": "BlockStatement",
+                                        },
+                                        "consequent": Object {
+                                          "body": Array [
+                                            Object {
+                                              "argument": Node {
+                                                "end": 121,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 16,
+                                                    "line": 8,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 15,
+                                                    "line": 8,
+                                                  },
+                                                },
+                                                "raw": "1",
+                                                "start": 120,
+                                                "type": "Literal",
+                                                "value": 1,
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 17,
+                                                  "line": 8,
+                                                },
+                                                "start": Position {
+                                                  "column": 8,
+                                                  "line": 8,
+                                                },
+                                              },
+                                              "type": "ReturnStatement",
+                                            },
+                                          ],
+                                          "type": "BlockStatement",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 5,
+                                            "line": 16,
+                                          },
+                                          "start": Position {
+                                            "column": 4,
+                                            "line": 7,
+                                          },
+                                        },
+                                        "test": Object {
+                                          "left": Node {
+                                            "end": 95,
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 11,
+                                                "line": 7,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 7,
+                                              },
+                                            },
+                                            "name": "exp",
+                                            "start": 92,
+                                            "type": "Identifier",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 17,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 8,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "operator": "===",
+                                          "right": Node {
+                                            "end": 101,
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 17,
+                                                "line": 7,
+                                              },
+                                              "start": Position {
+                                                "column": 16,
+                                                "line": 7,
+                                              },
+                                            },
+                                            "raw": "0",
+                                            "start": 100,
+                                            "type": "Literal",
+                                            "value": 0,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "type": "IfStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                  "id": Node {
+                                    "end": 67,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 15,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 9,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "expmod",
+                                    "start": 61,
+                                    "type": "Identifier",
+                                  },
+                                  "loc": undefined,
+                                  "params": Array [
+                                    Node {
+                                      "end": 72,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 20,
+                                          "line": 6,
+                                        },
+                                        "start": Position {
+                                          "column": 16,
+                                          "line": 6,
+                                        },
+                                      },
+                                      "name": "base",
+                                      "start": 68,
+                                      "type": "Identifier",
+                                    },
+                                    Node {
+                                      "end": 77,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 25,
+                                          "line": 6,
+                                        },
+                                        "start": Position {
+                                          "column": 22,
+                                          "line": 6,
+                                        },
+                                      },
+                                      "name": "exp",
+                                      "start": 74,
+                                      "type": "Identifier",
+                                    },
+                                    Node {
+                                      "end": 80,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 28,
+                                          "line": 6,
+                                        },
+                                        "start": Position {
+                                          "column": 27,
+                                          "line": 6,
+                                        },
+                                      },
+                                      "name": "m",
+                                      "start": 79,
+                                      "type": "Identifier",
+                                    },
+                                  ],
+                                  "type": "FunctionExpression",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 52,
+                                    "line": 11,
+                                  },
+                                  "start": Position {
+                                    "column": 28,
+                                    "line": 11,
+                                  },
+                                },
+                                "type": "CallExpression",
+                              },
+                              "loc": undefined,
+                              "type": "VariableDeclarator",
+                            },
+                          ],
+                          "kind": "const",
+                          "loc": undefined,
+                          "type": "VariableDeclaration",
+                        },
+                        Object {
+                          "argument": Object {
+                            "left": Object {
+                              "left": Node {
+                                "end": 244,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 26,
+                                    "line": 12,
+                                  },
+                                  "start": Position {
+                                    "column": 19,
+                                    "line": 12,
+                                  },
+                                },
+                                "name": "to_half",
+                                "start": 237,
+                                "type": "Identifier",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 36,
+                                  "line": 12,
+                                },
+                                "start": Position {
+                                  "column": 19,
+                                  "line": 12,
+                                },
+                              },
+                              "operator": "*",
+                              "right": Node {
+                                "end": 254,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 36,
+                                    "line": 12,
+                                  },
+                                  "start": Position {
+                                    "column": 29,
+                                    "line": 12,
+                                  },
+                                },
+                                "name": "to_half",
+                                "start": 247,
+                                "type": "Identifier",
+                              },
+                              "type": "BinaryExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 40,
+                                "line": 12,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 12,
+                              },
+                            },
+                            "operator": "%",
+                            "right": Object {
+                              "loc": undefined,
+                              "type": "Literal",
+                              "value": 5,
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 41,
+                              "line": 12,
+                            },
+                            "start": Position {
+                              "column": 12,
+                              "line": 12,
+                            },
+                          },
+                          "type": "ReturnStatement",
+                        },
+                      ],
+                      "type": "BlockStatement",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 9,
+                        "line": 15,
+                      },
+                      "start": Position {
+                        "column": 8,
+                        "line": 10,
+                      },
+                    },
+                    "test": Object {
+                      "arguments": Array [
+                        Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 3,
+                        },
+                      ],
+                      "callee": Object {
+                        "body": Object {
+                          "body": Array [
+                            Object {
+                              "argument": Object {
+                                "left": Object {
+                                  "left": Node {
+                                    "end": 37,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 12,
+                                        "line": 3,
+                                      },
+                                      "start": Position {
+                                        "column": 11,
+                                        "line": 3,
+                                      },
+                                    },
+                                    "name": "n",
+                                    "start": 36,
+                                    "type": "Identifier",
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 16,
+                                      "line": 3,
+                                    },
+                                    "start": Position {
+                                      "column": 11,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "operator": "%",
+                                  "right": Node {
+                                    "end": 41,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 16,
+                                        "line": 3,
+                                      },
+                                      "start": Position {
+                                        "column": 15,
+                                        "line": 3,
+                                      },
+                                    },
+                                    "raw": "2",
+                                    "start": 40,
+                                    "type": "Literal",
+                                    "value": 2,
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 22,
+                                    "line": 3,
+                                  },
+                                  "start": Position {
+                                    "column": 11,
+                                    "line": 3,
+                                  },
+                                },
+                                "operator": "===",
+                                "right": Node {
+                                  "end": 47,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 22,
+                                      "line": 3,
+                                    },
+                                    "start": Position {
+                                      "column": 21,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "raw": "0",
+                                  "start": 46,
+                                  "type": "Literal",
+                                  "value": 0,
+                                },
+                                "type": "BinaryExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 23,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 4,
+                                  "line": 3,
+                                },
+                              },
+                              "type": "ReturnStatement",
+                            },
+                          ],
+                          "type": "BlockStatement",
+                        },
+                        "id": Node {
+                          "end": 19,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 18,
+                              "line": 2,
+                            },
+                            "start": Position {
+                              "column": 11,
+                              "line": 2,
+                            },
+                          },
+                          "name": "is_even",
+                          "start": 12,
+                          "type": "Identifier",
+                        },
+                        "loc": undefined,
+                        "params": Array [
+                          Node {
+                            "end": 21,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 20,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 2,
+                              },
+                            },
+                            "name": "n",
+                            "start": 20,
+                            "type": "Identifier",
+                          },
+                        ],
+                        "type": "FunctionExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 24,
+                          "line": 10,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 10,
+                        },
+                      },
+                      "type": "CallExpression",
+                    },
+                    "type": "IfStatement",
+                  },
+                ],
+                "type": "BlockStatement",
+              },
+              "consequent": Object {
+                "body": Array [
+                  Object {
+                    "argument": Node {
+                      "end": 121,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 16,
+                          "line": 8,
+                        },
+                        "start": Position {
+                          "column": 15,
+                          "line": 8,
+                        },
+                      },
+                      "raw": "1",
+                      "start": 120,
+                      "type": "Literal",
+                      "value": 1,
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 17,
+                        "line": 8,
+                      },
+                      "start": Position {
+                        "column": 8,
+                        "line": 8,
+                      },
+                    },
+                    "type": "ReturnStatement",
+                  },
+                ],
+                "type": "BlockStatement",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 5,
+                  "line": 16,
+                },
+                "start": Position {
+                  "column": 4,
+                  "line": 7,
+                },
+              },
+              "test": Node {
+                "end": 5,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 5,
+                    "line": 1,
+                  },
+                  "start": Position {
+                    "column": 0,
+                    "line": 1,
+                  },
+                },
+                "raw": "false",
+                "start": 0,
+                "type": "Literal",
+                "value": false,
+              },
+              "type": "IfStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "alternate": Object {
+                    "body": Array [
+                      Object {
+                        "argument": Object {
+                          "left": Object {
+                            "left": Object {
+                              "loc": undefined,
+                              "type": "Literal",
+                              "value": 4,
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 50,
+                                "line": 14,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 14,
+                              },
+                            },
+                            "operator": "*",
+                            "right": Object {
+                              "arguments": Array [
+                                Object {
+                                  "loc": undefined,
+                                  "type": "Literal",
+                                  "value": 4,
+                                },
+                                Object {
+                                  "left": Object {
+                                    "loc": undefined,
+                                    "type": "Literal",
+                                    "value": 3,
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 46,
+                                      "line": 14,
+                                    },
+                                    "start": Position {
+                                      "column": 39,
+                                      "line": 14,
+                                    },
+                                  },
+                                  "operator": "-",
+                                  "right": Node {
+                                    "end": 323,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 46,
+                                        "line": 14,
+                                      },
+                                      "start": Position {
+                                        "column": 45,
+                                        "line": 14,
+                                      },
+                                    },
+                                    "raw": "1",
+                                    "start": 322,
+                                    "type": "Literal",
+                                    "value": 1,
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                                Object {
+                                  "loc": undefined,
+                                  "type": "Literal",
+                                  "value": 5,
+                                },
+                              ],
+                              "callee": Object {
+                                "body": Object {
+                                  "body": Array [
+                                    Object {
+                                      "alternate": Object {
+                                        "body": Array [
+                                          Object {
+                                            "alternate": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "argument": Object {
+                                                    "left": Object {
+                                                      "left": Node {
+                                                        "end": 300,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 23,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "name": "base",
+                                                        "start": 296,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 50,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "operator": "*",
+                                                      "right": Object {
+                                                        "arguments": Array [
+                                                          Node {
+                                                            "end": 314,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 37,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 33,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "name": "base",
+                                                            "start": 310,
+                                                            "type": "Identifier",
+                                                          },
+                                                          Object {
+                                                            "left": Node {
+                                                              "end": 319,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 42,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 39,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 316,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 46,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 39,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "operator": "-",
+                                                            "right": Node {
+                                                              "end": 323,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 46,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 45,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "raw": "1",
+                                                              "start": 322,
+                                                              "type": "Literal",
+                                                              "value": 1,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          Node {
+                                                            "end": 326,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 49,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 48,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "name": "m",
+                                                            "start": 325,
+                                                            "type": "Identifier",
+                                                          },
+                                                        ],
+                                                        "callee": [Circular],
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 50,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 26,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "type": "CallExpression",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 54,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "operator": "%",
+                                                    "right": Node {
+                                                      "end": 331,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 54,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 53,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 330,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 55,
+                                                      "line": 14,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 12,
+                                                      "line": 14,
+                                                    },
+                                                  },
+                                                  "type": "ReturnStatement",
+                                                },
+                                              ],
+                                              "type": "BlockStatement",
+                                            },
+                                            "consequent": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "declarations": Array [
+                                                    Object {
+                                                      "id": Node {
+                                                        "end": 189,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 25,
+                                                            "line": 11,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 18,
+                                                            "line": 11,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 182,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "init": Object {
+                                                        "arguments": Array [
+                                                          Node {
+                                                            "end": 203,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 39,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 35,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "name": "base",
+                                                            "start": 199,
+                                                            "type": "Identifier",
+                                                          },
+                                                          Object {
+                                                            "left": Node {
+                                                              "end": 208,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 44,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 41,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 205,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 48,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 41,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "operator": "/",
+                                                            "right": Node {
+                                                              "end": 212,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 48,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 47,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "raw": "2",
+                                                              "start": 211,
+                                                              "type": "Literal",
+                                                              "value": 2,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          Node {
+                                                            "end": 215,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 51,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 50,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "name": "m",
+                                                            "start": 214,
+                                                            "type": "Identifier",
+                                                          },
+                                                        ],
+                                                        "callee": [Circular],
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 52,
+                                                            "line": 11,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 28,
+                                                            "line": 11,
+                                                          },
+                                                        },
+                                                        "type": "CallExpression",
+                                                      },
+                                                      "loc": undefined,
+                                                      "type": "VariableDeclarator",
+                                                    },
+                                                  ],
+                                                  "kind": "const",
+                                                  "loc": undefined,
+                                                  "type": "VariableDeclaration",
+                                                },
+                                                Object {
+                                                  "argument": Object {
+                                                    "left": Object {
+                                                      "left": Node {
+                                                        "end": 244,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 26,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 237,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 36,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "operator": "*",
+                                                      "right": Node {
+                                                        "end": 254,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 36,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 29,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 247,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 40,
+                                                        "line": 12,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 12,
+                                                      },
+                                                    },
+                                                    "operator": "%",
+                                                    "right": Node {
+                                                      "end": 258,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 40,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 39,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 257,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 41,
+                                                      "line": 12,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 12,
+                                                      "line": 12,
+                                                    },
+                                                  },
+                                                  "type": "ReturnStatement",
+                                                },
+                                              ],
+                                              "type": "BlockStatement",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 9,
+                                                "line": 15,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 10,
+                                              },
+                                            },
+                                            "test": Object {
+                                              "arguments": Array [
+                                                Node {
+                                                  "end": 159,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 23,
+                                                      "line": 10,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 20,
+                                                      "line": 10,
+                                                    },
+                                                  },
+                                                  "name": "exp",
+                                                  "start": 156,
+                                                  "type": "Identifier",
+                                                },
+                                              ],
+                                              "callee": Object {
+                                                "body": Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "argument": Object {
+                                                        "left": Object {
+                                                          "left": Node {
+                                                            "end": 37,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 12,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 11,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "name": "n",
+                                                            "start": 36,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 16,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 11,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "operator": "%",
+                                                          "right": Node {
+                                                            "end": 41,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 16,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 15,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "raw": "2",
+                                                            "start": 40,
+                                                            "type": "Literal",
+                                                            "value": 2,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 22,
+                                                            "line": 3,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 11,
+                                                            "line": 3,
+                                                          },
+                                                        },
+                                                        "operator": "===",
+                                                        "right": Node {
+                                                          "end": 47,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 22,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 21,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "raw": "0",
+                                                          "start": 46,
+                                                          "type": "Literal",
+                                                          "value": 0,
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 23,
+                                                          "line": 3,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 4,
+                                                          "line": 3,
+                                                        },
+                                                      },
+                                                      "type": "ReturnStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                                "id": Node {
+                                                  "end": 19,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 18,
+                                                      "line": 2,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 11,
+                                                      "line": 2,
+                                                    },
+                                                  },
+                                                  "name": "is_even",
+                                                  "start": 12,
+                                                  "type": "Identifier",
+                                                },
+                                                "loc": undefined,
+                                                "params": Array [
+                                                  Node {
+                                                    "end": 21,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 20,
+                                                        "line": 2,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 2,
+                                                      },
+                                                    },
+                                                    "name": "n",
+                                                    "start": 20,
+                                                    "type": "Identifier",
+                                                  },
+                                                ],
+                                                "type": "FunctionExpression",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 24,
+                                                  "line": 10,
+                                                },
+                                                "start": Position {
+                                                  "column": 12,
+                                                  "line": 10,
+                                                },
+                                              },
+                                              "type": "CallExpression",
+                                            },
+                                            "type": "IfStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "consequent": Object {
+                                        "body": Array [
+                                          Object {
+                                            "argument": Node {
+                                              "end": 121,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 16,
+                                                  "line": 8,
+                                                },
+                                                "start": Position {
+                                                  "column": 15,
+                                                  "line": 8,
+                                                },
+                                              },
+                                              "raw": "1",
+                                              "start": 120,
+                                              "type": "Literal",
+                                              "value": 1,
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 17,
+                                                "line": 8,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 8,
+                                              },
+                                            },
+                                            "type": "ReturnStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 5,
+                                          "line": 16,
+                                        },
+                                        "start": Position {
+                                          "column": 4,
+                                          "line": 7,
+                                        },
+                                      },
+                                      "test": Object {
+                                        "left": Node {
+                                          "end": 95,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 11,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 8,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "name": "exp",
+                                          "start": 92,
+                                          "type": "Identifier",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 17,
+                                            "line": 7,
+                                          },
+                                          "start": Position {
+                                            "column": 8,
+                                            "line": 7,
+                                          },
+                                        },
+                                        "operator": "===",
+                                        "right": Node {
+                                          "end": 101,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 17,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 16,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "raw": "0",
+                                          "start": 100,
+                                          "type": "Literal",
+                                          "value": 0,
+                                        },
+                                        "type": "BinaryExpression",
+                                      },
+                                      "type": "IfStatement",
+                                    },
+                                  ],
+                                  "type": "BlockStatement",
+                                },
+                                "id": Node {
+                                  "end": 67,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 15,
+                                      "line": 6,
+                                    },
+                                    "start": Position {
+                                      "column": 9,
+                                      "line": 6,
+                                    },
+                                  },
+                                  "name": "expmod",
+                                  "start": 61,
+                                  "type": "Identifier",
+                                },
+                                "loc": undefined,
+                                "params": Array [
+                                  Node {
+                                    "end": 72,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 20,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 16,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "base",
+                                    "start": 68,
+                                    "type": "Identifier",
+                                  },
+                                  Node {
+                                    "end": 77,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 25,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 22,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "exp",
+                                    "start": 74,
+                                    "type": "Identifier",
+                                  },
+                                  Node {
+                                    "end": 80,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 28,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 27,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "m",
+                                    "start": 79,
+                                    "type": "Identifier",
+                                  },
+                                ],
+                                "type": "FunctionExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 50,
+                                  "line": 14,
+                                },
+                                "start": Position {
+                                  "column": 26,
+                                  "line": 14,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 54,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "%",
+                          "right": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 5,
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 55,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 12,
+                            "line": 14,
+                          },
+                        },
+                        "type": "ReturnStatement",
+                      },
+                    ],
+                    "type": "BlockStatement",
+                  },
+                  "consequent": Object {
+                    "body": Array [
+                      Object {
+                        "declarations": Array [
+                          Object {
+                            "id": Node {
+                              "end": 189,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 25,
+                                  "line": 11,
+                                },
+                                "start": Position {
+                                  "column": 18,
+                                  "line": 11,
+                                },
+                              },
+                              "name": "to_half",
+                              "start": 182,
+                              "type": "Identifier",
+                            },
+                            "init": Object {
+                              "arguments": Array [
+                                Object {
+                                  "loc": undefined,
+                                  "type": "Literal",
+                                  "value": 4,
+                                },
+                                Object {
+                                  "left": Object {
+                                    "loc": undefined,
+                                    "type": "Literal",
+                                    "value": 3,
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 48,
+                                      "line": 11,
+                                    },
+                                    "start": Position {
+                                      "column": 41,
+                                      "line": 11,
+                                    },
+                                  },
+                                  "operator": "/",
+                                  "right": Node {
+                                    "end": 212,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 48,
+                                        "line": 11,
+                                      },
+                                      "start": Position {
+                                        "column": 47,
+                                        "line": 11,
+                                      },
+                                    },
+                                    "raw": "2",
+                                    "start": 211,
+                                    "type": "Literal",
+                                    "value": 2,
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                                Object {
+                                  "loc": undefined,
+                                  "type": "Literal",
+                                  "value": 5,
+                                },
+                              ],
+                              "callee": Object {
+                                "body": Object {
+                                  "body": Array [
+                                    Object {
+                                      "alternate": Object {
+                                        "body": Array [
+                                          Object {
+                                            "alternate": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "argument": Object {
+                                                    "left": Object {
+                                                      "left": Node {
+                                                        "end": 300,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 23,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "name": "base",
+                                                        "start": 296,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 50,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "operator": "*",
+                                                      "right": Object {
+                                                        "arguments": Array [
+                                                          Node {
+                                                            "end": 314,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 37,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 33,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "name": "base",
+                                                            "start": 310,
+                                                            "type": "Identifier",
+                                                          },
+                                                          Object {
+                                                            "left": Node {
+                                                              "end": 319,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 42,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 39,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 316,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 46,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 39,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "operator": "-",
+                                                            "right": Node {
+                                                              "end": 323,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 46,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 45,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "raw": "1",
+                                                              "start": 322,
+                                                              "type": "Literal",
+                                                              "value": 1,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          Node {
+                                                            "end": 326,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 49,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 48,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "name": "m",
+                                                            "start": 325,
+                                                            "type": "Identifier",
+                                                          },
+                                                        ],
+                                                        "callee": [Circular],
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 50,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 26,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "type": "CallExpression",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 54,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "operator": "%",
+                                                    "right": Node {
+                                                      "end": 331,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 54,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 53,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 330,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 55,
+                                                      "line": 14,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 12,
+                                                      "line": 14,
+                                                    },
+                                                  },
+                                                  "type": "ReturnStatement",
+                                                },
+                                              ],
+                                              "type": "BlockStatement",
+                                            },
+                                            "consequent": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "declarations": Array [
+                                                    Object {
+                                                      "id": Node {
+                                                        "end": 189,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 25,
+                                                            "line": 11,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 18,
+                                                            "line": 11,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 182,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "init": Object {
+                                                        "arguments": Array [
+                                                          Node {
+                                                            "end": 203,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 39,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 35,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "name": "base",
+                                                            "start": 199,
+                                                            "type": "Identifier",
+                                                          },
+                                                          Object {
+                                                            "left": Node {
+                                                              "end": 208,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 44,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 41,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 205,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 48,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 41,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "operator": "/",
+                                                            "right": Node {
+                                                              "end": 212,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 48,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 47,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "raw": "2",
+                                                              "start": 211,
+                                                              "type": "Literal",
+                                                              "value": 2,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          Node {
+                                                            "end": 215,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 51,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 50,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "name": "m",
+                                                            "start": 214,
+                                                            "type": "Identifier",
+                                                          },
+                                                        ],
+                                                        "callee": [Circular],
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 52,
+                                                            "line": 11,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 28,
+                                                            "line": 11,
+                                                          },
+                                                        },
+                                                        "type": "CallExpression",
+                                                      },
+                                                      "loc": undefined,
+                                                      "type": "VariableDeclarator",
+                                                    },
+                                                  ],
+                                                  "kind": "const",
+                                                  "loc": undefined,
+                                                  "type": "VariableDeclaration",
+                                                },
+                                                Object {
+                                                  "argument": Object {
+                                                    "left": Object {
+                                                      "left": Node {
+                                                        "end": 244,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 26,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 237,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 36,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "operator": "*",
+                                                      "right": Node {
+                                                        "end": 254,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 36,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 29,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 247,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 40,
+                                                        "line": 12,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 12,
+                                                      },
+                                                    },
+                                                    "operator": "%",
+                                                    "right": Node {
+                                                      "end": 258,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 40,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 39,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 257,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 41,
+                                                      "line": 12,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 12,
+                                                      "line": 12,
+                                                    },
+                                                  },
+                                                  "type": "ReturnStatement",
+                                                },
+                                              ],
+                                              "type": "BlockStatement",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 9,
+                                                "line": 15,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 10,
+                                              },
+                                            },
+                                            "test": Object {
+                                              "arguments": Array [
+                                                Node {
+                                                  "end": 159,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 23,
+                                                      "line": 10,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 20,
+                                                      "line": 10,
+                                                    },
+                                                  },
+                                                  "name": "exp",
+                                                  "start": 156,
+                                                  "type": "Identifier",
+                                                },
+                                              ],
+                                              "callee": Object {
+                                                "body": Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "argument": Object {
+                                                        "left": Object {
+                                                          "left": Node {
+                                                            "end": 37,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 12,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 11,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "name": "n",
+                                                            "start": 36,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 16,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 11,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "operator": "%",
+                                                          "right": Node {
+                                                            "end": 41,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 16,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 15,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "raw": "2",
+                                                            "start": 40,
+                                                            "type": "Literal",
+                                                            "value": 2,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 22,
+                                                            "line": 3,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 11,
+                                                            "line": 3,
+                                                          },
+                                                        },
+                                                        "operator": "===",
+                                                        "right": Node {
+                                                          "end": 47,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 22,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 21,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "raw": "0",
+                                                          "start": 46,
+                                                          "type": "Literal",
+                                                          "value": 0,
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 23,
+                                                          "line": 3,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 4,
+                                                          "line": 3,
+                                                        },
+                                                      },
+                                                      "type": "ReturnStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                                "id": Node {
+                                                  "end": 19,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 18,
+                                                      "line": 2,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 11,
+                                                      "line": 2,
+                                                    },
+                                                  },
+                                                  "name": "is_even",
+                                                  "start": 12,
+                                                  "type": "Identifier",
+                                                },
+                                                "loc": undefined,
+                                                "params": Array [
+                                                  Node {
+                                                    "end": 21,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 20,
+                                                        "line": 2,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 2,
+                                                      },
+                                                    },
+                                                    "name": "n",
+                                                    "start": 20,
+                                                    "type": "Identifier",
+                                                  },
+                                                ],
+                                                "type": "FunctionExpression",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 24,
+                                                  "line": 10,
+                                                },
+                                                "start": Position {
+                                                  "column": 12,
+                                                  "line": 10,
+                                                },
+                                              },
+                                              "type": "CallExpression",
+                                            },
+                                            "type": "IfStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "consequent": Object {
+                                        "body": Array [
+                                          Object {
+                                            "argument": Node {
+                                              "end": 121,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 16,
+                                                  "line": 8,
+                                                },
+                                                "start": Position {
+                                                  "column": 15,
+                                                  "line": 8,
+                                                },
+                                              },
+                                              "raw": "1",
+                                              "start": 120,
+                                              "type": "Literal",
+                                              "value": 1,
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 17,
+                                                "line": 8,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 8,
+                                              },
+                                            },
+                                            "type": "ReturnStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 5,
+                                          "line": 16,
+                                        },
+                                        "start": Position {
+                                          "column": 4,
+                                          "line": 7,
+                                        },
+                                      },
+                                      "test": Object {
+                                        "left": Node {
+                                          "end": 95,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 11,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 8,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "name": "exp",
+                                          "start": 92,
+                                          "type": "Identifier",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 17,
+                                            "line": 7,
+                                          },
+                                          "start": Position {
+                                            "column": 8,
+                                            "line": 7,
+                                          },
+                                        },
+                                        "operator": "===",
+                                        "right": Node {
+                                          "end": 101,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 17,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 16,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "raw": "0",
+                                          "start": 100,
+                                          "type": "Literal",
+                                          "value": 0,
+                                        },
+                                        "type": "BinaryExpression",
+                                      },
+                                      "type": "IfStatement",
+                                    },
+                                  ],
+                                  "type": "BlockStatement",
+                                },
+                                "id": Node {
+                                  "end": 67,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 15,
+                                      "line": 6,
+                                    },
+                                    "start": Position {
+                                      "column": 9,
+                                      "line": 6,
+                                    },
+                                  },
+                                  "name": "expmod",
+                                  "start": 61,
+                                  "type": "Identifier",
+                                },
+                                "loc": undefined,
+                                "params": Array [
+                                  Node {
+                                    "end": 72,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 20,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 16,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "base",
+                                    "start": 68,
+                                    "type": "Identifier",
+                                  },
+                                  Node {
+                                    "end": 77,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 25,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 22,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "exp",
+                                    "start": 74,
+                                    "type": "Identifier",
+                                  },
+                                  Node {
+                                    "end": 80,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 28,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 27,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "m",
+                                    "start": 79,
+                                    "type": "Identifier",
+                                  },
+                                ],
+                                "type": "FunctionExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 52,
+                                  "line": 11,
+                                },
+                                "start": Position {
+                                  "column": 28,
+                                  "line": 11,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": undefined,
+                            "type": "VariableDeclarator",
+                          },
+                        ],
+                        "kind": "const",
+                        "loc": undefined,
+                        "type": "VariableDeclaration",
+                      },
+                      Object {
+                        "argument": Object {
+                          "left": Object {
+                            "left": Node {
+                              "end": 244,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 26,
+                                  "line": 12,
+                                },
+                                "start": Position {
+                                  "column": 19,
+                                  "line": 12,
+                                },
+                              },
+                              "name": "to_half",
+                              "start": 237,
+                              "type": "Identifier",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 36,
+                                "line": 12,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 12,
+                              },
+                            },
+                            "operator": "*",
+                            "right": Node {
+                              "end": 254,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 36,
+                                  "line": 12,
+                                },
+                                "start": Position {
+                                  "column": 29,
+                                  "line": 12,
+                                },
+                              },
+                              "name": "to_half",
+                              "start": 247,
+                              "type": "Identifier",
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 40,
+                              "line": 12,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 12,
+                            },
+                          },
+                          "operator": "%",
+                          "right": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 5,
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 41,
+                            "line": 12,
+                          },
+                          "start": Position {
+                            "column": 12,
+                            "line": 12,
+                          },
+                        },
+                        "type": "ReturnStatement",
+                      },
+                    ],
+                    "type": "BlockStatement",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 9,
+                      "line": 15,
+                    },
+                    "start": Position {
+                      "column": 8,
+                      "line": 10,
+                    },
+                  },
+                  "test": Object {
+                    "arguments": Array [
+                      Object {
+                        "loc": undefined,
+                        "type": "Literal",
+                        "value": 3,
+                      },
+                    ],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "left": Object {
+                                "left": Node {
+                                  "end": 37,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 12,
+                                      "line": 3,
+                                    },
+                                    "start": Position {
+                                      "column": 11,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "name": "n",
+                                  "start": 36,
+                                  "type": "Identifier",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 16,
+                                    "line": 3,
+                                  },
+                                  "start": Position {
+                                    "column": 11,
+                                    "line": 3,
+                                  },
+                                },
+                                "operator": "%",
+                                "right": Node {
+                                  "end": 41,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 16,
+                                      "line": 3,
+                                    },
+                                    "start": Position {
+                                      "column": 15,
+                                      "line": 3,
+                                    },
+                                  },
+                                  "raw": "2",
+                                  "start": 40,
+                                  "type": "Literal",
+                                  "value": 2,
+                                },
+                                "type": "BinaryExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 22,
+                                  "line": 3,
+                                },
+                                "start": Position {
+                                  "column": 11,
+                                  "line": 3,
+                                },
+                              },
+                              "operator": "===",
+                              "right": Node {
+                                "end": 47,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 22,
+                                    "line": 3,
+                                  },
+                                  "start": Position {
+                                    "column": 21,
+                                    "line": 3,
+                                  },
+                                },
+                                "raw": "0",
+                                "start": 46,
+                                "type": "Literal",
+                                "value": 0,
+                              },
+                              "type": "BinaryExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 23,
+                                "line": 3,
+                              },
+                              "start": Position {
+                                "column": 4,
+                                "line": 3,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 19,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 18,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 11,
+                            "line": 2,
+                          },
+                        },
+                        "name": "is_even",
+                        "start": 12,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [
+                        Node {
+                          "end": 21,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 20,
+                              "line": 2,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 2,
+                            },
+                          },
+                          "name": "n",
+                          "start": 20,
+                          "type": "Identifier",
+                        },
+                      ],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 24,
+                        "line": 10,
+                      },
+                      "start": Position {
+                        "column": 12,
+                        "line": 10,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "type": "IfStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "alternate": Object {
+                    "body": Array [
+                      Object {
+                        "argument": Object {
+                          "left": Object {
+                            "left": Object {
+                              "loc": undefined,
+                              "type": "Literal",
+                              "value": 4,
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 50,
+                                "line": 14,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 14,
+                              },
+                            },
+                            "operator": "*",
+                            "right": Object {
+                              "arguments": Array [
+                                Object {
+                                  "loc": undefined,
+                                  "type": "Literal",
+                                  "value": 4,
+                                },
+                                Object {
+                                  "left": Object {
+                                    "loc": undefined,
+                                    "type": "Literal",
+                                    "value": 3,
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 46,
+                                      "line": 14,
+                                    },
+                                    "start": Position {
+                                      "column": 39,
+                                      "line": 14,
+                                    },
+                                  },
+                                  "operator": "-",
+                                  "right": Node {
+                                    "end": 323,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 46,
+                                        "line": 14,
+                                      },
+                                      "start": Position {
+                                        "column": 45,
+                                        "line": 14,
+                                      },
+                                    },
+                                    "raw": "1",
+                                    "start": 322,
+                                    "type": "Literal",
+                                    "value": 1,
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                                Object {
+                                  "loc": undefined,
+                                  "type": "Literal",
+                                  "value": 5,
+                                },
+                              ],
+                              "callee": Object {
+                                "body": Object {
+                                  "body": Array [
+                                    Object {
+                                      "alternate": Object {
+                                        "body": Array [
+                                          Object {
+                                            "alternate": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "argument": Object {
+                                                    "left": Object {
+                                                      "left": Node {
+                                                        "end": 300,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 23,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "name": "base",
+                                                        "start": 296,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 50,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "operator": "*",
+                                                      "right": Object {
+                                                        "arguments": Array [
+                                                          Node {
+                                                            "end": 314,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 37,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 33,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "name": "base",
+                                                            "start": 310,
+                                                            "type": "Identifier",
+                                                          },
+                                                          Object {
+                                                            "left": Node {
+                                                              "end": 319,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 42,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 39,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 316,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 46,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 39,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "operator": "-",
+                                                            "right": Node {
+                                                              "end": 323,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 46,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 45,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "raw": "1",
+                                                              "start": 322,
+                                                              "type": "Literal",
+                                                              "value": 1,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          Node {
+                                                            "end": 326,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 49,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 48,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "name": "m",
+                                                            "start": 325,
+                                                            "type": "Identifier",
+                                                          },
+                                                        ],
+                                                        "callee": [Circular],
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 50,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 26,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "type": "CallExpression",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 54,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "operator": "%",
+                                                    "right": Node {
+                                                      "end": 331,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 54,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 53,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 330,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 55,
+                                                      "line": 14,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 12,
+                                                      "line": 14,
+                                                    },
+                                                  },
+                                                  "type": "ReturnStatement",
+                                                },
+                                              ],
+                                              "type": "BlockStatement",
+                                            },
+                                            "consequent": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "declarations": Array [
+                                                    Object {
+                                                      "id": Node {
+                                                        "end": 189,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 25,
+                                                            "line": 11,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 18,
+                                                            "line": 11,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 182,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "init": Object {
+                                                        "arguments": Array [
+                                                          Node {
+                                                            "end": 203,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 39,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 35,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "name": "base",
+                                                            "start": 199,
+                                                            "type": "Identifier",
+                                                          },
+                                                          Object {
+                                                            "left": Node {
+                                                              "end": 208,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 44,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 41,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 205,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 48,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 41,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "operator": "/",
+                                                            "right": Node {
+                                                              "end": 212,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 48,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 47,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "raw": "2",
+                                                              "start": 211,
+                                                              "type": "Literal",
+                                                              "value": 2,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          Node {
+                                                            "end": 215,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 51,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 50,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "name": "m",
+                                                            "start": 214,
+                                                            "type": "Identifier",
+                                                          },
+                                                        ],
+                                                        "callee": [Circular],
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 52,
+                                                            "line": 11,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 28,
+                                                            "line": 11,
+                                                          },
+                                                        },
+                                                        "type": "CallExpression",
+                                                      },
+                                                      "loc": undefined,
+                                                      "type": "VariableDeclarator",
+                                                    },
+                                                  ],
+                                                  "kind": "const",
+                                                  "loc": undefined,
+                                                  "type": "VariableDeclaration",
+                                                },
+                                                Object {
+                                                  "argument": Object {
+                                                    "left": Object {
+                                                      "left": Node {
+                                                        "end": 244,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 26,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 237,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 36,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "operator": "*",
+                                                      "right": Node {
+                                                        "end": 254,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 36,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 29,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 247,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 40,
+                                                        "line": 12,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 12,
+                                                      },
+                                                    },
+                                                    "operator": "%",
+                                                    "right": Node {
+                                                      "end": 258,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 40,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 39,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 257,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 41,
+                                                      "line": 12,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 12,
+                                                      "line": 12,
+                                                    },
+                                                  },
+                                                  "type": "ReturnStatement",
+                                                },
+                                              ],
+                                              "type": "BlockStatement",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 9,
+                                                "line": 15,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 10,
+                                              },
+                                            },
+                                            "test": Object {
+                                              "arguments": Array [
+                                                Node {
+                                                  "end": 159,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 23,
+                                                      "line": 10,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 20,
+                                                      "line": 10,
+                                                    },
+                                                  },
+                                                  "name": "exp",
+                                                  "start": 156,
+                                                  "type": "Identifier",
+                                                },
+                                              ],
+                                              "callee": Object {
+                                                "body": Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "argument": Object {
+                                                        "left": Object {
+                                                          "left": Node {
+                                                            "end": 37,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 12,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 11,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "name": "n",
+                                                            "start": 36,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 16,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 11,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "operator": "%",
+                                                          "right": Node {
+                                                            "end": 41,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 16,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 15,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "raw": "2",
+                                                            "start": 40,
+                                                            "type": "Literal",
+                                                            "value": 2,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 22,
+                                                            "line": 3,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 11,
+                                                            "line": 3,
+                                                          },
+                                                        },
+                                                        "operator": "===",
+                                                        "right": Node {
+                                                          "end": 47,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 22,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 21,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "raw": "0",
+                                                          "start": 46,
+                                                          "type": "Literal",
+                                                          "value": 0,
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 23,
+                                                          "line": 3,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 4,
+                                                          "line": 3,
+                                                        },
+                                                      },
+                                                      "type": "ReturnStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                                "id": Node {
+                                                  "end": 19,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 18,
+                                                      "line": 2,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 11,
+                                                      "line": 2,
+                                                    },
+                                                  },
+                                                  "name": "is_even",
+                                                  "start": 12,
+                                                  "type": "Identifier",
+                                                },
+                                                "loc": undefined,
+                                                "params": Array [
+                                                  Node {
+                                                    "end": 21,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 20,
+                                                        "line": 2,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 2,
+                                                      },
+                                                    },
+                                                    "name": "n",
+                                                    "start": 20,
+                                                    "type": "Identifier",
+                                                  },
+                                                ],
+                                                "type": "FunctionExpression",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 24,
+                                                  "line": 10,
+                                                },
+                                                "start": Position {
+                                                  "column": 12,
+                                                  "line": 10,
+                                                },
+                                              },
+                                              "type": "CallExpression",
+                                            },
+                                            "type": "IfStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "consequent": Object {
+                                        "body": Array [
+                                          Object {
+                                            "argument": Node {
+                                              "end": 121,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 16,
+                                                  "line": 8,
+                                                },
+                                                "start": Position {
+                                                  "column": 15,
+                                                  "line": 8,
+                                                },
+                                              },
+                                              "raw": "1",
+                                              "start": 120,
+                                              "type": "Literal",
+                                              "value": 1,
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 17,
+                                                "line": 8,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 8,
+                                              },
+                                            },
+                                            "type": "ReturnStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 5,
+                                          "line": 16,
+                                        },
+                                        "start": Position {
+                                          "column": 4,
+                                          "line": 7,
+                                        },
+                                      },
+                                      "test": Object {
+                                        "left": Node {
+                                          "end": 95,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 11,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 8,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "name": "exp",
+                                          "start": 92,
+                                          "type": "Identifier",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 17,
+                                            "line": 7,
+                                          },
+                                          "start": Position {
+                                            "column": 8,
+                                            "line": 7,
+                                          },
+                                        },
+                                        "operator": "===",
+                                        "right": Node {
+                                          "end": 101,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 17,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 16,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "raw": "0",
+                                          "start": 100,
+                                          "type": "Literal",
+                                          "value": 0,
+                                        },
+                                        "type": "BinaryExpression",
+                                      },
+                                      "type": "IfStatement",
+                                    },
+                                  ],
+                                  "type": "BlockStatement",
+                                },
+                                "id": Node {
+                                  "end": 67,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 15,
+                                      "line": 6,
+                                    },
+                                    "start": Position {
+                                      "column": 9,
+                                      "line": 6,
+                                    },
+                                  },
+                                  "name": "expmod",
+                                  "start": 61,
+                                  "type": "Identifier",
+                                },
+                                "loc": undefined,
+                                "params": Array [
+                                  Node {
+                                    "end": 72,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 20,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 16,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "base",
+                                    "start": 68,
+                                    "type": "Identifier",
+                                  },
+                                  Node {
+                                    "end": 77,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 25,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 22,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "exp",
+                                    "start": 74,
+                                    "type": "Identifier",
+                                  },
+                                  Node {
+                                    "end": 80,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 28,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 27,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "m",
+                                    "start": 79,
+                                    "type": "Identifier",
+                                  },
+                                ],
+                                "type": "FunctionExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 50,
+                                  "line": 14,
+                                },
+                                "start": Position {
+                                  "column": 26,
+                                  "line": 14,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 54,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "%",
+                          "right": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 5,
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 55,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 12,
+                            "line": 14,
+                          },
+                        },
+                        "type": "ReturnStatement",
+                      },
+                    ],
+                    "type": "BlockStatement",
+                  },
+                  "consequent": Object {
+                    "body": Array [
+                      Object {
+                        "declarations": Array [
+                          Object {
+                            "id": Node {
+                              "end": 189,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 25,
+                                  "line": 11,
+                                },
+                                "start": Position {
+                                  "column": 18,
+                                  "line": 11,
+                                },
+                              },
+                              "name": "to_half",
+                              "start": 182,
+                              "type": "Identifier",
+                            },
+                            "init": Object {
+                              "arguments": Array [
+                                Object {
+                                  "loc": undefined,
+                                  "type": "Literal",
+                                  "value": 4,
+                                },
+                                Object {
+                                  "left": Object {
+                                    "loc": undefined,
+                                    "type": "Literal",
+                                    "value": 3,
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 48,
+                                      "line": 11,
+                                    },
+                                    "start": Position {
+                                      "column": 41,
+                                      "line": 11,
+                                    },
+                                  },
+                                  "operator": "/",
+                                  "right": Node {
+                                    "end": 212,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 48,
+                                        "line": 11,
+                                      },
+                                      "start": Position {
+                                        "column": 47,
+                                        "line": 11,
+                                      },
+                                    },
+                                    "raw": "2",
+                                    "start": 211,
+                                    "type": "Literal",
+                                    "value": 2,
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                                Object {
+                                  "loc": undefined,
+                                  "type": "Literal",
+                                  "value": 5,
+                                },
+                              ],
+                              "callee": Object {
+                                "body": Object {
+                                  "body": Array [
+                                    Object {
+                                      "alternate": Object {
+                                        "body": Array [
+                                          Object {
+                                            "alternate": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "argument": Object {
+                                                    "left": Object {
+                                                      "left": Node {
+                                                        "end": 300,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 23,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "name": "base",
+                                                        "start": 296,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 50,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "operator": "*",
+                                                      "right": Object {
+                                                        "arguments": Array [
+                                                          Node {
+                                                            "end": 314,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 37,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 33,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "name": "base",
+                                                            "start": 310,
+                                                            "type": "Identifier",
+                                                          },
+                                                          Object {
+                                                            "left": Node {
+                                                              "end": 319,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 42,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 39,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 316,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 46,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 39,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "operator": "-",
+                                                            "right": Node {
+                                                              "end": 323,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 46,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 45,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "raw": "1",
+                                                              "start": 322,
+                                                              "type": "Literal",
+                                                              "value": 1,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          Node {
+                                                            "end": 326,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 49,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 48,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "name": "m",
+                                                            "start": 325,
+                                                            "type": "Identifier",
+                                                          },
+                                                        ],
+                                                        "callee": [Circular],
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 50,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 26,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "type": "CallExpression",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 54,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "operator": "%",
+                                                    "right": Node {
+                                                      "end": 331,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 54,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 53,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 330,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 55,
+                                                      "line": 14,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 12,
+                                                      "line": 14,
+                                                    },
+                                                  },
+                                                  "type": "ReturnStatement",
+                                                },
+                                              ],
+                                              "type": "BlockStatement",
+                                            },
+                                            "consequent": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "declarations": Array [
+                                                    Object {
+                                                      "id": Node {
+                                                        "end": 189,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 25,
+                                                            "line": 11,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 18,
+                                                            "line": 11,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 182,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "init": Object {
+                                                        "arguments": Array [
+                                                          Node {
+                                                            "end": 203,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 39,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 35,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "name": "base",
+                                                            "start": 199,
+                                                            "type": "Identifier",
+                                                          },
+                                                          Object {
+                                                            "left": Node {
+                                                              "end": 208,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 44,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 41,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 205,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 48,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 41,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "operator": "/",
+                                                            "right": Node {
+                                                              "end": 212,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 48,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 47,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "raw": "2",
+                                                              "start": 211,
+                                                              "type": "Literal",
+                                                              "value": 2,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          Node {
+                                                            "end": 215,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 51,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 50,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "name": "m",
+                                                            "start": 214,
+                                                            "type": "Identifier",
+                                                          },
+                                                        ],
+                                                        "callee": [Circular],
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 52,
+                                                            "line": 11,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 28,
+                                                            "line": 11,
+                                                          },
+                                                        },
+                                                        "type": "CallExpression",
+                                                      },
+                                                      "loc": undefined,
+                                                      "type": "VariableDeclarator",
+                                                    },
+                                                  ],
+                                                  "kind": "const",
+                                                  "loc": undefined,
+                                                  "type": "VariableDeclaration",
+                                                },
+                                                Object {
+                                                  "argument": Object {
+                                                    "left": Object {
+                                                      "left": Node {
+                                                        "end": 244,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 26,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 237,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 36,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "operator": "*",
+                                                      "right": Node {
+                                                        "end": 254,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 36,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 29,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 247,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 40,
+                                                        "line": 12,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 12,
+                                                      },
+                                                    },
+                                                    "operator": "%",
+                                                    "right": Node {
+                                                      "end": 258,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 40,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 39,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 257,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 41,
+                                                      "line": 12,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 12,
+                                                      "line": 12,
+                                                    },
+                                                  },
+                                                  "type": "ReturnStatement",
+                                                },
+                                              ],
+                                              "type": "BlockStatement",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 9,
+                                                "line": 15,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 10,
+                                              },
+                                            },
+                                            "test": Object {
+                                              "arguments": Array [
+                                                Node {
+                                                  "end": 159,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 23,
+                                                      "line": 10,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 20,
+                                                      "line": 10,
+                                                    },
+                                                  },
+                                                  "name": "exp",
+                                                  "start": 156,
+                                                  "type": "Identifier",
+                                                },
+                                              ],
+                                              "callee": Object {
+                                                "body": Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "argument": Object {
+                                                        "left": Object {
+                                                          "left": Node {
+                                                            "end": 37,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 12,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 11,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "name": "n",
+                                                            "start": 36,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 16,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 11,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "operator": "%",
+                                                          "right": Node {
+                                                            "end": 41,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 16,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 15,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "raw": "2",
+                                                            "start": 40,
+                                                            "type": "Literal",
+                                                            "value": 2,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 22,
+                                                            "line": 3,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 11,
+                                                            "line": 3,
+                                                          },
+                                                        },
+                                                        "operator": "===",
+                                                        "right": Node {
+                                                          "end": 47,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 22,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 21,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "raw": "0",
+                                                          "start": 46,
+                                                          "type": "Literal",
+                                                          "value": 0,
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 23,
+                                                          "line": 3,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 4,
+                                                          "line": 3,
+                                                        },
+                                                      },
+                                                      "type": "ReturnStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                                "id": Node {
+                                                  "end": 19,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 18,
+                                                      "line": 2,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 11,
+                                                      "line": 2,
+                                                    },
+                                                  },
+                                                  "name": "is_even",
+                                                  "start": 12,
+                                                  "type": "Identifier",
+                                                },
+                                                "loc": undefined,
+                                                "params": Array [
+                                                  Node {
+                                                    "end": 21,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 20,
+                                                        "line": 2,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 2,
+                                                      },
+                                                    },
+                                                    "name": "n",
+                                                    "start": 20,
+                                                    "type": "Identifier",
+                                                  },
+                                                ],
+                                                "type": "FunctionExpression",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 24,
+                                                  "line": 10,
+                                                },
+                                                "start": Position {
+                                                  "column": 12,
+                                                  "line": 10,
+                                                },
+                                              },
+                                              "type": "CallExpression",
+                                            },
+                                            "type": "IfStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "consequent": Object {
+                                        "body": Array [
+                                          Object {
+                                            "argument": Node {
+                                              "end": 121,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 16,
+                                                  "line": 8,
+                                                },
+                                                "start": Position {
+                                                  "column": 15,
+                                                  "line": 8,
+                                                },
+                                              },
+                                              "raw": "1",
+                                              "start": 120,
+                                              "type": "Literal",
+                                              "value": 1,
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 17,
+                                                "line": 8,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 8,
+                                              },
+                                            },
+                                            "type": "ReturnStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 5,
+                                          "line": 16,
+                                        },
+                                        "start": Position {
+                                          "column": 4,
+                                          "line": 7,
+                                        },
+                                      },
+                                      "test": Object {
+                                        "left": Node {
+                                          "end": 95,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 11,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 8,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "name": "exp",
+                                          "start": 92,
+                                          "type": "Identifier",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 17,
+                                            "line": 7,
+                                          },
+                                          "start": Position {
+                                            "column": 8,
+                                            "line": 7,
+                                          },
+                                        },
+                                        "operator": "===",
+                                        "right": Node {
+                                          "end": 101,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 17,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 16,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "raw": "0",
+                                          "start": 100,
+                                          "type": "Literal",
+                                          "value": 0,
+                                        },
+                                        "type": "BinaryExpression",
+                                      },
+                                      "type": "IfStatement",
+                                    },
+                                  ],
+                                  "type": "BlockStatement",
+                                },
+                                "id": Node {
+                                  "end": 67,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 15,
+                                      "line": 6,
+                                    },
+                                    "start": Position {
+                                      "column": 9,
+                                      "line": 6,
+                                    },
+                                  },
+                                  "name": "expmod",
+                                  "start": 61,
+                                  "type": "Identifier",
+                                },
+                                "loc": undefined,
+                                "params": Array [
+                                  Node {
+                                    "end": 72,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 20,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 16,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "base",
+                                    "start": 68,
+                                    "type": "Identifier",
+                                  },
+                                  Node {
+                                    "end": 77,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 25,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 22,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "exp",
+                                    "start": 74,
+                                    "type": "Identifier",
+                                  },
+                                  Node {
+                                    "end": 80,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 28,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 27,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "m",
+                                    "start": 79,
+                                    "type": "Identifier",
+                                  },
+                                ],
+                                "type": "FunctionExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 52,
+                                  "line": 11,
+                                },
+                                "start": Position {
+                                  "column": 28,
+                                  "line": 11,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": undefined,
+                            "type": "VariableDeclarator",
+                          },
+                        ],
+                        "kind": "const",
+                        "loc": undefined,
+                        "type": "VariableDeclaration",
+                      },
+                      Object {
+                        "argument": Object {
+                          "left": Object {
+                            "left": Node {
+                              "end": 244,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 26,
+                                  "line": 12,
+                                },
+                                "start": Position {
+                                  "column": 19,
+                                  "line": 12,
+                                },
+                              },
+                              "name": "to_half",
+                              "start": 237,
+                              "type": "Identifier",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 36,
+                                "line": 12,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 12,
+                              },
+                            },
+                            "operator": "*",
+                            "right": Node {
+                              "end": 254,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 36,
+                                  "line": 12,
+                                },
+                                "start": Position {
+                                  "column": 29,
+                                  "line": 12,
+                                },
+                              },
+                              "name": "to_half",
+                              "start": 247,
+                              "type": "Identifier",
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 40,
+                              "line": 12,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 12,
+                            },
+                          },
+                          "operator": "%",
+                          "right": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 5,
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 41,
+                            "line": 12,
+                          },
+                          "start": Position {
+                            "column": 12,
+                            "line": 12,
+                          },
+                        },
+                        "type": "ReturnStatement",
+                      },
+                    ],
+                    "type": "BlockStatement",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 9,
+                      "line": 15,
+                    },
+                    "start": Position {
+                      "column": 8,
+                      "line": 10,
+                    },
+                  },
+                  "test": Object {
+                    "left": Object {
+                      "left": Object {
+                        "loc": undefined,
+                        "type": "Literal",
+                        "value": 3,
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 16,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 11,
+                          "line": 3,
+                        },
+                      },
+                      "operator": "%",
+                      "right": Node {
+                        "end": 41,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 16,
+                            "line": 3,
+                          },
+                          "start": Position {
+                            "column": 15,
+                            "line": 3,
+                          },
+                        },
+                        "raw": "2",
+                        "start": 40,
+                        "type": "Literal",
+                        "value": 2,
+                      },
+                      "type": "BinaryExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 22,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 3,
+                      },
+                    },
+                    "operator": "===",
+                    "right": Node {
+                      "end": 47,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 22,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 21,
+                          "line": 3,
+                        },
+                      },
+                      "raw": "0",
+                      "start": 46,
+                      "type": "Literal",
+                      "value": 0,
+                    },
+                    "type": "BinaryExpression",
+                  },
+                  "type": "IfStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "alternate": Object {
+                    "body": Array [
+                      Object {
+                        "argument": Object {
+                          "left": Object {
+                            "left": Object {
+                              "loc": undefined,
+                              "type": "Literal",
+                              "value": 4,
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 50,
+                                "line": 14,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 14,
+                              },
+                            },
+                            "operator": "*",
+                            "right": Object {
+                              "arguments": Array [
+                                Object {
+                                  "loc": undefined,
+                                  "type": "Literal",
+                                  "value": 4,
+                                },
+                                Object {
+                                  "left": Object {
+                                    "loc": undefined,
+                                    "type": "Literal",
+                                    "value": 3,
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 46,
+                                      "line": 14,
+                                    },
+                                    "start": Position {
+                                      "column": 39,
+                                      "line": 14,
+                                    },
+                                  },
+                                  "operator": "-",
+                                  "right": Node {
+                                    "end": 323,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 46,
+                                        "line": 14,
+                                      },
+                                      "start": Position {
+                                        "column": 45,
+                                        "line": 14,
+                                      },
+                                    },
+                                    "raw": "1",
+                                    "start": 322,
+                                    "type": "Literal",
+                                    "value": 1,
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                                Object {
+                                  "loc": undefined,
+                                  "type": "Literal",
+                                  "value": 5,
+                                },
+                              ],
+                              "callee": Object {
+                                "body": Object {
+                                  "body": Array [
+                                    Object {
+                                      "alternate": Object {
+                                        "body": Array [
+                                          Object {
+                                            "alternate": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "argument": Object {
+                                                    "left": Object {
+                                                      "left": Node {
+                                                        "end": 300,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 23,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "name": "base",
+                                                        "start": 296,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 50,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "operator": "*",
+                                                      "right": Object {
+                                                        "arguments": Array [
+                                                          Node {
+                                                            "end": 314,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 37,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 33,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "name": "base",
+                                                            "start": 310,
+                                                            "type": "Identifier",
+                                                          },
+                                                          Object {
+                                                            "left": Node {
+                                                              "end": 319,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 42,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 39,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 316,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 46,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 39,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "operator": "-",
+                                                            "right": Node {
+                                                              "end": 323,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 46,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 45,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "raw": "1",
+                                                              "start": 322,
+                                                              "type": "Literal",
+                                                              "value": 1,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          Node {
+                                                            "end": 326,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 49,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 48,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "name": "m",
+                                                            "start": 325,
+                                                            "type": "Identifier",
+                                                          },
+                                                        ],
+                                                        "callee": [Circular],
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 50,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 26,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "type": "CallExpression",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 54,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "operator": "%",
+                                                    "right": Node {
+                                                      "end": 331,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 54,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 53,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 330,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 55,
+                                                      "line": 14,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 12,
+                                                      "line": 14,
+                                                    },
+                                                  },
+                                                  "type": "ReturnStatement",
+                                                },
+                                              ],
+                                              "type": "BlockStatement",
+                                            },
+                                            "consequent": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "declarations": Array [
+                                                    Object {
+                                                      "id": Node {
+                                                        "end": 189,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 25,
+                                                            "line": 11,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 18,
+                                                            "line": 11,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 182,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "init": Object {
+                                                        "arguments": Array [
+                                                          Node {
+                                                            "end": 203,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 39,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 35,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "name": "base",
+                                                            "start": 199,
+                                                            "type": "Identifier",
+                                                          },
+                                                          Object {
+                                                            "left": Node {
+                                                              "end": 208,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 44,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 41,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 205,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 48,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 41,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "operator": "/",
+                                                            "right": Node {
+                                                              "end": 212,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 48,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 47,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "raw": "2",
+                                                              "start": 211,
+                                                              "type": "Literal",
+                                                              "value": 2,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          Node {
+                                                            "end": 215,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 51,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 50,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "name": "m",
+                                                            "start": 214,
+                                                            "type": "Identifier",
+                                                          },
+                                                        ],
+                                                        "callee": [Circular],
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 52,
+                                                            "line": 11,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 28,
+                                                            "line": 11,
+                                                          },
+                                                        },
+                                                        "type": "CallExpression",
+                                                      },
+                                                      "loc": undefined,
+                                                      "type": "VariableDeclarator",
+                                                    },
+                                                  ],
+                                                  "kind": "const",
+                                                  "loc": undefined,
+                                                  "type": "VariableDeclaration",
+                                                },
+                                                Object {
+                                                  "argument": Object {
+                                                    "left": Object {
+                                                      "left": Node {
+                                                        "end": 244,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 26,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 237,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 36,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "operator": "*",
+                                                      "right": Node {
+                                                        "end": 254,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 36,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 29,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 247,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 40,
+                                                        "line": 12,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 12,
+                                                      },
+                                                    },
+                                                    "operator": "%",
+                                                    "right": Node {
+                                                      "end": 258,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 40,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 39,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 257,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 41,
+                                                      "line": 12,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 12,
+                                                      "line": 12,
+                                                    },
+                                                  },
+                                                  "type": "ReturnStatement",
+                                                },
+                                              ],
+                                              "type": "BlockStatement",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 9,
+                                                "line": 15,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 10,
+                                              },
+                                            },
+                                            "test": Object {
+                                              "arguments": Array [
+                                                Node {
+                                                  "end": 159,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 23,
+                                                      "line": 10,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 20,
+                                                      "line": 10,
+                                                    },
+                                                  },
+                                                  "name": "exp",
+                                                  "start": 156,
+                                                  "type": "Identifier",
+                                                },
+                                              ],
+                                              "callee": Object {
+                                                "body": Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "argument": Object {
+                                                        "left": Object {
+                                                          "left": Node {
+                                                            "end": 37,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 12,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 11,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "name": "n",
+                                                            "start": 36,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 16,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 11,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "operator": "%",
+                                                          "right": Node {
+                                                            "end": 41,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 16,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 15,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "raw": "2",
+                                                            "start": 40,
+                                                            "type": "Literal",
+                                                            "value": 2,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 22,
+                                                            "line": 3,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 11,
+                                                            "line": 3,
+                                                          },
+                                                        },
+                                                        "operator": "===",
+                                                        "right": Node {
+                                                          "end": 47,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 22,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 21,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "raw": "0",
+                                                          "start": 46,
+                                                          "type": "Literal",
+                                                          "value": 0,
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 23,
+                                                          "line": 3,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 4,
+                                                          "line": 3,
+                                                        },
+                                                      },
+                                                      "type": "ReturnStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                                "id": Node {
+                                                  "end": 19,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 18,
+                                                      "line": 2,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 11,
+                                                      "line": 2,
+                                                    },
+                                                  },
+                                                  "name": "is_even",
+                                                  "start": 12,
+                                                  "type": "Identifier",
+                                                },
+                                                "loc": undefined,
+                                                "params": Array [
+                                                  Node {
+                                                    "end": 21,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 20,
+                                                        "line": 2,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 2,
+                                                      },
+                                                    },
+                                                    "name": "n",
+                                                    "start": 20,
+                                                    "type": "Identifier",
+                                                  },
+                                                ],
+                                                "type": "FunctionExpression",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 24,
+                                                  "line": 10,
+                                                },
+                                                "start": Position {
+                                                  "column": 12,
+                                                  "line": 10,
+                                                },
+                                              },
+                                              "type": "CallExpression",
+                                            },
+                                            "type": "IfStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "consequent": Object {
+                                        "body": Array [
+                                          Object {
+                                            "argument": Node {
+                                              "end": 121,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 16,
+                                                  "line": 8,
+                                                },
+                                                "start": Position {
+                                                  "column": 15,
+                                                  "line": 8,
+                                                },
+                                              },
+                                              "raw": "1",
+                                              "start": 120,
+                                              "type": "Literal",
+                                              "value": 1,
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 17,
+                                                "line": 8,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 8,
+                                              },
+                                            },
+                                            "type": "ReturnStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 5,
+                                          "line": 16,
+                                        },
+                                        "start": Position {
+                                          "column": 4,
+                                          "line": 7,
+                                        },
+                                      },
+                                      "test": Object {
+                                        "left": Node {
+                                          "end": 95,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 11,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 8,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "name": "exp",
+                                          "start": 92,
+                                          "type": "Identifier",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 17,
+                                            "line": 7,
+                                          },
+                                          "start": Position {
+                                            "column": 8,
+                                            "line": 7,
+                                          },
+                                        },
+                                        "operator": "===",
+                                        "right": Node {
+                                          "end": 101,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 17,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 16,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "raw": "0",
+                                          "start": 100,
+                                          "type": "Literal",
+                                          "value": 0,
+                                        },
+                                        "type": "BinaryExpression",
+                                      },
+                                      "type": "IfStatement",
+                                    },
+                                  ],
+                                  "type": "BlockStatement",
+                                },
+                                "id": Node {
+                                  "end": 67,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 15,
+                                      "line": 6,
+                                    },
+                                    "start": Position {
+                                      "column": 9,
+                                      "line": 6,
+                                    },
+                                  },
+                                  "name": "expmod",
+                                  "start": 61,
+                                  "type": "Identifier",
+                                },
+                                "loc": undefined,
+                                "params": Array [
+                                  Node {
+                                    "end": 72,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 20,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 16,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "base",
+                                    "start": 68,
+                                    "type": "Identifier",
+                                  },
+                                  Node {
+                                    "end": 77,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 25,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 22,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "exp",
+                                    "start": 74,
+                                    "type": "Identifier",
+                                  },
+                                  Node {
+                                    "end": 80,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 28,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 27,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "m",
+                                    "start": 79,
+                                    "type": "Identifier",
+                                  },
+                                ],
+                                "type": "FunctionExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 50,
+                                  "line": 14,
+                                },
+                                "start": Position {
+                                  "column": 26,
+                                  "line": 14,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 54,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "%",
+                          "right": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 5,
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 55,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 12,
+                            "line": 14,
+                          },
+                        },
+                        "type": "ReturnStatement",
+                      },
+                    ],
+                    "type": "BlockStatement",
+                  },
+                  "consequent": Object {
+                    "body": Array [
+                      Object {
+                        "declarations": Array [
+                          Object {
+                            "id": Node {
+                              "end": 189,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 25,
+                                  "line": 11,
+                                },
+                                "start": Position {
+                                  "column": 18,
+                                  "line": 11,
+                                },
+                              },
+                              "name": "to_half",
+                              "start": 182,
+                              "type": "Identifier",
+                            },
+                            "init": Object {
+                              "arguments": Array [
+                                Object {
+                                  "loc": undefined,
+                                  "type": "Literal",
+                                  "value": 4,
+                                },
+                                Object {
+                                  "left": Object {
+                                    "loc": undefined,
+                                    "type": "Literal",
+                                    "value": 3,
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 48,
+                                      "line": 11,
+                                    },
+                                    "start": Position {
+                                      "column": 41,
+                                      "line": 11,
+                                    },
+                                  },
+                                  "operator": "/",
+                                  "right": Node {
+                                    "end": 212,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 48,
+                                        "line": 11,
+                                      },
+                                      "start": Position {
+                                        "column": 47,
+                                        "line": 11,
+                                      },
+                                    },
+                                    "raw": "2",
+                                    "start": 211,
+                                    "type": "Literal",
+                                    "value": 2,
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                                Object {
+                                  "loc": undefined,
+                                  "type": "Literal",
+                                  "value": 5,
+                                },
+                              ],
+                              "callee": Object {
+                                "body": Object {
+                                  "body": Array [
+                                    Object {
+                                      "alternate": Object {
+                                        "body": Array [
+                                          Object {
+                                            "alternate": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "argument": Object {
+                                                    "left": Object {
+                                                      "left": Node {
+                                                        "end": 300,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 23,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "name": "base",
+                                                        "start": 296,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 50,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "operator": "*",
+                                                      "right": Object {
+                                                        "arguments": Array [
+                                                          Node {
+                                                            "end": 314,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 37,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 33,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "name": "base",
+                                                            "start": 310,
+                                                            "type": "Identifier",
+                                                          },
+                                                          Object {
+                                                            "left": Node {
+                                                              "end": 319,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 42,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 39,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 316,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 46,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 39,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "operator": "-",
+                                                            "right": Node {
+                                                              "end": 323,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 46,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 45,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "raw": "1",
+                                                              "start": 322,
+                                                              "type": "Literal",
+                                                              "value": 1,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          Node {
+                                                            "end": 326,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 49,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 48,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "name": "m",
+                                                            "start": 325,
+                                                            "type": "Identifier",
+                                                          },
+                                                        ],
+                                                        "callee": [Circular],
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 50,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 26,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "type": "CallExpression",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 54,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "operator": "%",
+                                                    "right": Node {
+                                                      "end": 331,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 54,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 53,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 330,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 55,
+                                                      "line": 14,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 12,
+                                                      "line": 14,
+                                                    },
+                                                  },
+                                                  "type": "ReturnStatement",
+                                                },
+                                              ],
+                                              "type": "BlockStatement",
+                                            },
+                                            "consequent": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "declarations": Array [
+                                                    Object {
+                                                      "id": Node {
+                                                        "end": 189,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 25,
+                                                            "line": 11,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 18,
+                                                            "line": 11,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 182,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "init": Object {
+                                                        "arguments": Array [
+                                                          Node {
+                                                            "end": 203,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 39,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 35,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "name": "base",
+                                                            "start": 199,
+                                                            "type": "Identifier",
+                                                          },
+                                                          Object {
+                                                            "left": Node {
+                                                              "end": 208,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 44,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 41,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 205,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 48,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 41,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "operator": "/",
+                                                            "right": Node {
+                                                              "end": 212,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 48,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 47,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "raw": "2",
+                                                              "start": 211,
+                                                              "type": "Literal",
+                                                              "value": 2,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          Node {
+                                                            "end": 215,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 51,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 50,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "name": "m",
+                                                            "start": 214,
+                                                            "type": "Identifier",
+                                                          },
+                                                        ],
+                                                        "callee": [Circular],
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 52,
+                                                            "line": 11,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 28,
+                                                            "line": 11,
+                                                          },
+                                                        },
+                                                        "type": "CallExpression",
+                                                      },
+                                                      "loc": undefined,
+                                                      "type": "VariableDeclarator",
+                                                    },
+                                                  ],
+                                                  "kind": "const",
+                                                  "loc": undefined,
+                                                  "type": "VariableDeclaration",
+                                                },
+                                                Object {
+                                                  "argument": Object {
+                                                    "left": Object {
+                                                      "left": Node {
+                                                        "end": 244,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 26,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 237,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 36,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "operator": "*",
+                                                      "right": Node {
+                                                        "end": 254,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 36,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 29,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 247,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 40,
+                                                        "line": 12,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 12,
+                                                      },
+                                                    },
+                                                    "operator": "%",
+                                                    "right": Node {
+                                                      "end": 258,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 40,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 39,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 257,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 41,
+                                                      "line": 12,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 12,
+                                                      "line": 12,
+                                                    },
+                                                  },
+                                                  "type": "ReturnStatement",
+                                                },
+                                              ],
+                                              "type": "BlockStatement",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 9,
+                                                "line": 15,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 10,
+                                              },
+                                            },
+                                            "test": Object {
+                                              "arguments": Array [
+                                                Node {
+                                                  "end": 159,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 23,
+                                                      "line": 10,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 20,
+                                                      "line": 10,
+                                                    },
+                                                  },
+                                                  "name": "exp",
+                                                  "start": 156,
+                                                  "type": "Identifier",
+                                                },
+                                              ],
+                                              "callee": Object {
+                                                "body": Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "argument": Object {
+                                                        "left": Object {
+                                                          "left": Node {
+                                                            "end": 37,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 12,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 11,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "name": "n",
+                                                            "start": 36,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 16,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 11,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "operator": "%",
+                                                          "right": Node {
+                                                            "end": 41,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 16,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 15,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "raw": "2",
+                                                            "start": 40,
+                                                            "type": "Literal",
+                                                            "value": 2,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 22,
+                                                            "line": 3,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 11,
+                                                            "line": 3,
+                                                          },
+                                                        },
+                                                        "operator": "===",
+                                                        "right": Node {
+                                                          "end": 47,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 22,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 21,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "raw": "0",
+                                                          "start": 46,
+                                                          "type": "Literal",
+                                                          "value": 0,
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 23,
+                                                          "line": 3,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 4,
+                                                          "line": 3,
+                                                        },
+                                                      },
+                                                      "type": "ReturnStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                                "id": Node {
+                                                  "end": 19,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 18,
+                                                      "line": 2,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 11,
+                                                      "line": 2,
+                                                    },
+                                                  },
+                                                  "name": "is_even",
+                                                  "start": 12,
+                                                  "type": "Identifier",
+                                                },
+                                                "loc": undefined,
+                                                "params": Array [
+                                                  Node {
+                                                    "end": 21,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 20,
+                                                        "line": 2,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 2,
+                                                      },
+                                                    },
+                                                    "name": "n",
+                                                    "start": 20,
+                                                    "type": "Identifier",
+                                                  },
+                                                ],
+                                                "type": "FunctionExpression",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 24,
+                                                  "line": 10,
+                                                },
+                                                "start": Position {
+                                                  "column": 12,
+                                                  "line": 10,
+                                                },
+                                              },
+                                              "type": "CallExpression",
+                                            },
+                                            "type": "IfStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "consequent": Object {
+                                        "body": Array [
+                                          Object {
+                                            "argument": Node {
+                                              "end": 121,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 16,
+                                                  "line": 8,
+                                                },
+                                                "start": Position {
+                                                  "column": 15,
+                                                  "line": 8,
+                                                },
+                                              },
+                                              "raw": "1",
+                                              "start": 120,
+                                              "type": "Literal",
+                                              "value": 1,
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 17,
+                                                "line": 8,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 8,
+                                              },
+                                            },
+                                            "type": "ReturnStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 5,
+                                          "line": 16,
+                                        },
+                                        "start": Position {
+                                          "column": 4,
+                                          "line": 7,
+                                        },
+                                      },
+                                      "test": Object {
+                                        "left": Node {
+                                          "end": 95,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 11,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 8,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "name": "exp",
+                                          "start": 92,
+                                          "type": "Identifier",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 17,
+                                            "line": 7,
+                                          },
+                                          "start": Position {
+                                            "column": 8,
+                                            "line": 7,
+                                          },
+                                        },
+                                        "operator": "===",
+                                        "right": Node {
+                                          "end": 101,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 17,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 16,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "raw": "0",
+                                          "start": 100,
+                                          "type": "Literal",
+                                          "value": 0,
+                                        },
+                                        "type": "BinaryExpression",
+                                      },
+                                      "type": "IfStatement",
+                                    },
+                                  ],
+                                  "type": "BlockStatement",
+                                },
+                                "id": Node {
+                                  "end": 67,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 15,
+                                      "line": 6,
+                                    },
+                                    "start": Position {
+                                      "column": 9,
+                                      "line": 6,
+                                    },
+                                  },
+                                  "name": "expmod",
+                                  "start": 61,
+                                  "type": "Identifier",
+                                },
+                                "loc": undefined,
+                                "params": Array [
+                                  Node {
+                                    "end": 72,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 20,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 16,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "base",
+                                    "start": 68,
+                                    "type": "Identifier",
+                                  },
+                                  Node {
+                                    "end": 77,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 25,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 22,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "exp",
+                                    "start": 74,
+                                    "type": "Identifier",
+                                  },
+                                  Node {
+                                    "end": 80,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 28,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 27,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "m",
+                                    "start": 79,
+                                    "type": "Identifier",
+                                  },
+                                ],
+                                "type": "FunctionExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 52,
+                                  "line": 11,
+                                },
+                                "start": Position {
+                                  "column": 28,
+                                  "line": 11,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": undefined,
+                            "type": "VariableDeclarator",
+                          },
+                        ],
+                        "kind": "const",
+                        "loc": undefined,
+                        "type": "VariableDeclaration",
+                      },
+                      Object {
+                        "argument": Object {
+                          "left": Object {
+                            "left": Node {
+                              "end": 244,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 26,
+                                  "line": 12,
+                                },
+                                "start": Position {
+                                  "column": 19,
+                                  "line": 12,
+                                },
+                              },
+                              "name": "to_half",
+                              "start": 237,
+                              "type": "Identifier",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 36,
+                                "line": 12,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 12,
+                              },
+                            },
+                            "operator": "*",
+                            "right": Node {
+                              "end": 254,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 36,
+                                  "line": 12,
+                                },
+                                "start": Position {
+                                  "column": 29,
+                                  "line": 12,
+                                },
+                              },
+                              "name": "to_half",
+                              "start": 247,
+                              "type": "Identifier",
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 40,
+                              "line": 12,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 12,
+                            },
+                          },
+                          "operator": "%",
+                          "right": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 5,
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 41,
+                            "line": 12,
+                          },
+                          "start": Position {
+                            "column": 12,
+                            "line": 12,
+                          },
+                        },
+                        "type": "ReturnStatement",
+                      },
+                    ],
+                    "type": "BlockStatement",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 9,
+                      "line": 15,
+                    },
+                    "start": Position {
+                      "column": 8,
+                      "line": 10,
+                    },
+                  },
+                  "test": Object {
+                    "left": Node {
+                      "end": 1,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 1,
+                          "line": 1,
+                        },
+                        "start": Position {
+                          "column": 0,
+                          "line": 1,
+                        },
+                      },
+                      "raw": "1",
+                      "start": 0,
+                      "type": "Literal",
+                      "value": 1,
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 22,
+                        "line": 3,
+                      },
+                      "start": Position {
+                        "column": 11,
+                        "line": 3,
+                      },
+                    },
+                    "operator": "===",
+                    "right": Node {
+                      "end": 47,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 22,
+                          "line": 3,
+                        },
+                        "start": Position {
+                          "column": 21,
+                          "line": 3,
+                        },
+                      },
+                      "raw": "0",
+                      "start": 46,
+                      "type": "Literal",
+                      "value": 0,
+                    },
+                    "type": "BinaryExpression",
+                  },
+                  "type": "IfStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "alternate": Object {
+                    "body": Array [
+                      Object {
+                        "argument": Object {
+                          "left": Object {
+                            "left": Object {
+                              "loc": undefined,
+                              "type": "Literal",
+                              "value": 4,
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 50,
+                                "line": 14,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 14,
+                              },
+                            },
+                            "operator": "*",
+                            "right": Object {
+                              "arguments": Array [
+                                Object {
+                                  "loc": undefined,
+                                  "type": "Literal",
+                                  "value": 4,
+                                },
+                                Object {
+                                  "left": Object {
+                                    "loc": undefined,
+                                    "type": "Literal",
+                                    "value": 3,
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 46,
+                                      "line": 14,
+                                    },
+                                    "start": Position {
+                                      "column": 39,
+                                      "line": 14,
+                                    },
+                                  },
+                                  "operator": "-",
+                                  "right": Node {
+                                    "end": 323,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 46,
+                                        "line": 14,
+                                      },
+                                      "start": Position {
+                                        "column": 45,
+                                        "line": 14,
+                                      },
+                                    },
+                                    "raw": "1",
+                                    "start": 322,
+                                    "type": "Literal",
+                                    "value": 1,
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                                Object {
+                                  "loc": undefined,
+                                  "type": "Literal",
+                                  "value": 5,
+                                },
+                              ],
+                              "callee": Object {
+                                "body": Object {
+                                  "body": Array [
+                                    Object {
+                                      "alternate": Object {
+                                        "body": Array [
+                                          Object {
+                                            "alternate": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "argument": Object {
+                                                    "left": Object {
+                                                      "left": Node {
+                                                        "end": 300,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 23,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "name": "base",
+                                                        "start": 296,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 50,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "operator": "*",
+                                                      "right": Object {
+                                                        "arguments": Array [
+                                                          Node {
+                                                            "end": 314,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 37,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 33,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "name": "base",
+                                                            "start": 310,
+                                                            "type": "Identifier",
+                                                          },
+                                                          Object {
+                                                            "left": Node {
+                                                              "end": 319,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 42,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 39,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 316,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 46,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 39,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "operator": "-",
+                                                            "right": Node {
+                                                              "end": 323,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 46,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 45,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "raw": "1",
+                                                              "start": 322,
+                                                              "type": "Literal",
+                                                              "value": 1,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          Node {
+                                                            "end": 326,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 49,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 48,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "name": "m",
+                                                            "start": 325,
+                                                            "type": "Identifier",
+                                                          },
+                                                        ],
+                                                        "callee": [Circular],
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 50,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 26,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "type": "CallExpression",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 54,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "operator": "%",
+                                                    "right": Node {
+                                                      "end": 331,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 54,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 53,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 330,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 55,
+                                                      "line": 14,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 12,
+                                                      "line": 14,
+                                                    },
+                                                  },
+                                                  "type": "ReturnStatement",
+                                                },
+                                              ],
+                                              "type": "BlockStatement",
+                                            },
+                                            "consequent": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "declarations": Array [
+                                                    Object {
+                                                      "id": Node {
+                                                        "end": 189,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 25,
+                                                            "line": 11,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 18,
+                                                            "line": 11,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 182,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "init": Object {
+                                                        "arguments": Array [
+                                                          Node {
+                                                            "end": 203,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 39,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 35,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "name": "base",
+                                                            "start": 199,
+                                                            "type": "Identifier",
+                                                          },
+                                                          Object {
+                                                            "left": Node {
+                                                              "end": 208,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 44,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 41,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 205,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 48,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 41,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "operator": "/",
+                                                            "right": Node {
+                                                              "end": 212,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 48,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 47,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "raw": "2",
+                                                              "start": 211,
+                                                              "type": "Literal",
+                                                              "value": 2,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          Node {
+                                                            "end": 215,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 51,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 50,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "name": "m",
+                                                            "start": 214,
+                                                            "type": "Identifier",
+                                                          },
+                                                        ],
+                                                        "callee": [Circular],
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 52,
+                                                            "line": 11,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 28,
+                                                            "line": 11,
+                                                          },
+                                                        },
+                                                        "type": "CallExpression",
+                                                      },
+                                                      "loc": undefined,
+                                                      "type": "VariableDeclarator",
+                                                    },
+                                                  ],
+                                                  "kind": "const",
+                                                  "loc": undefined,
+                                                  "type": "VariableDeclaration",
+                                                },
+                                                Object {
+                                                  "argument": Object {
+                                                    "left": Object {
+                                                      "left": Node {
+                                                        "end": 244,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 26,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 237,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 36,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "operator": "*",
+                                                      "right": Node {
+                                                        "end": 254,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 36,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 29,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 247,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 40,
+                                                        "line": 12,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 12,
+                                                      },
+                                                    },
+                                                    "operator": "%",
+                                                    "right": Node {
+                                                      "end": 258,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 40,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 39,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 257,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 41,
+                                                      "line": 12,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 12,
+                                                      "line": 12,
+                                                    },
+                                                  },
+                                                  "type": "ReturnStatement",
+                                                },
+                                              ],
+                                              "type": "BlockStatement",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 9,
+                                                "line": 15,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 10,
+                                              },
+                                            },
+                                            "test": Object {
+                                              "arguments": Array [
+                                                Node {
+                                                  "end": 159,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 23,
+                                                      "line": 10,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 20,
+                                                      "line": 10,
+                                                    },
+                                                  },
+                                                  "name": "exp",
+                                                  "start": 156,
+                                                  "type": "Identifier",
+                                                },
+                                              ],
+                                              "callee": Object {
+                                                "body": Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "argument": Object {
+                                                        "left": Object {
+                                                          "left": Node {
+                                                            "end": 37,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 12,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 11,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "name": "n",
+                                                            "start": 36,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 16,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 11,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "operator": "%",
+                                                          "right": Node {
+                                                            "end": 41,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 16,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 15,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "raw": "2",
+                                                            "start": 40,
+                                                            "type": "Literal",
+                                                            "value": 2,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 22,
+                                                            "line": 3,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 11,
+                                                            "line": 3,
+                                                          },
+                                                        },
+                                                        "operator": "===",
+                                                        "right": Node {
+                                                          "end": 47,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 22,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 21,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "raw": "0",
+                                                          "start": 46,
+                                                          "type": "Literal",
+                                                          "value": 0,
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 23,
+                                                          "line": 3,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 4,
+                                                          "line": 3,
+                                                        },
+                                                      },
+                                                      "type": "ReturnStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                                "id": Node {
+                                                  "end": 19,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 18,
+                                                      "line": 2,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 11,
+                                                      "line": 2,
+                                                    },
+                                                  },
+                                                  "name": "is_even",
+                                                  "start": 12,
+                                                  "type": "Identifier",
+                                                },
+                                                "loc": undefined,
+                                                "params": Array [
+                                                  Node {
+                                                    "end": 21,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 20,
+                                                        "line": 2,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 2,
+                                                      },
+                                                    },
+                                                    "name": "n",
+                                                    "start": 20,
+                                                    "type": "Identifier",
+                                                  },
+                                                ],
+                                                "type": "FunctionExpression",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 24,
+                                                  "line": 10,
+                                                },
+                                                "start": Position {
+                                                  "column": 12,
+                                                  "line": 10,
+                                                },
+                                              },
+                                              "type": "CallExpression",
+                                            },
+                                            "type": "IfStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "consequent": Object {
+                                        "body": Array [
+                                          Object {
+                                            "argument": Node {
+                                              "end": 121,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 16,
+                                                  "line": 8,
+                                                },
+                                                "start": Position {
+                                                  "column": 15,
+                                                  "line": 8,
+                                                },
+                                              },
+                                              "raw": "1",
+                                              "start": 120,
+                                              "type": "Literal",
+                                              "value": 1,
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 17,
+                                                "line": 8,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 8,
+                                              },
+                                            },
+                                            "type": "ReturnStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 5,
+                                          "line": 16,
+                                        },
+                                        "start": Position {
+                                          "column": 4,
+                                          "line": 7,
+                                        },
+                                      },
+                                      "test": Object {
+                                        "left": Node {
+                                          "end": 95,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 11,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 8,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "name": "exp",
+                                          "start": 92,
+                                          "type": "Identifier",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 17,
+                                            "line": 7,
+                                          },
+                                          "start": Position {
+                                            "column": 8,
+                                            "line": 7,
+                                          },
+                                        },
+                                        "operator": "===",
+                                        "right": Node {
+                                          "end": 101,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 17,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 16,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "raw": "0",
+                                          "start": 100,
+                                          "type": "Literal",
+                                          "value": 0,
+                                        },
+                                        "type": "BinaryExpression",
+                                      },
+                                      "type": "IfStatement",
+                                    },
+                                  ],
+                                  "type": "BlockStatement",
+                                },
+                                "id": Node {
+                                  "end": 67,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 15,
+                                      "line": 6,
+                                    },
+                                    "start": Position {
+                                      "column": 9,
+                                      "line": 6,
+                                    },
+                                  },
+                                  "name": "expmod",
+                                  "start": 61,
+                                  "type": "Identifier",
+                                },
+                                "loc": undefined,
+                                "params": Array [
+                                  Node {
+                                    "end": 72,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 20,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 16,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "base",
+                                    "start": 68,
+                                    "type": "Identifier",
+                                  },
+                                  Node {
+                                    "end": 77,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 25,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 22,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "exp",
+                                    "start": 74,
+                                    "type": "Identifier",
+                                  },
+                                  Node {
+                                    "end": 80,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 28,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 27,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "m",
+                                    "start": 79,
+                                    "type": "Identifier",
+                                  },
+                                ],
+                                "type": "FunctionExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 50,
+                                  "line": 14,
+                                },
+                                "start": Position {
+                                  "column": 26,
+                                  "line": 14,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 54,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "%",
+                          "right": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 5,
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 55,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 12,
+                            "line": 14,
+                          },
+                        },
+                        "type": "ReturnStatement",
+                      },
+                    ],
+                    "type": "BlockStatement",
+                  },
+                  "consequent": Object {
+                    "body": Array [
+                      Object {
+                        "declarations": Array [
+                          Object {
+                            "id": Node {
+                              "end": 189,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 25,
+                                  "line": 11,
+                                },
+                                "start": Position {
+                                  "column": 18,
+                                  "line": 11,
+                                },
+                              },
+                              "name": "to_half",
+                              "start": 182,
+                              "type": "Identifier",
+                            },
+                            "init": Object {
+                              "arguments": Array [
+                                Object {
+                                  "loc": undefined,
+                                  "type": "Literal",
+                                  "value": 4,
+                                },
+                                Object {
+                                  "left": Object {
+                                    "loc": undefined,
+                                    "type": "Literal",
+                                    "value": 3,
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 48,
+                                      "line": 11,
+                                    },
+                                    "start": Position {
+                                      "column": 41,
+                                      "line": 11,
+                                    },
+                                  },
+                                  "operator": "/",
+                                  "right": Node {
+                                    "end": 212,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 48,
+                                        "line": 11,
+                                      },
+                                      "start": Position {
+                                        "column": 47,
+                                        "line": 11,
+                                      },
+                                    },
+                                    "raw": "2",
+                                    "start": 211,
+                                    "type": "Literal",
+                                    "value": 2,
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                                Object {
+                                  "loc": undefined,
+                                  "type": "Literal",
+                                  "value": 5,
+                                },
+                              ],
+                              "callee": Object {
+                                "body": Object {
+                                  "body": Array [
+                                    Object {
+                                      "alternate": Object {
+                                        "body": Array [
+                                          Object {
+                                            "alternate": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "argument": Object {
+                                                    "left": Object {
+                                                      "left": Node {
+                                                        "end": 300,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 23,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "name": "base",
+                                                        "start": 296,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 50,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "operator": "*",
+                                                      "right": Object {
+                                                        "arguments": Array [
+                                                          Node {
+                                                            "end": 314,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 37,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 33,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "name": "base",
+                                                            "start": 310,
+                                                            "type": "Identifier",
+                                                          },
+                                                          Object {
+                                                            "left": Node {
+                                                              "end": 319,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 42,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 39,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 316,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 46,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 39,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "operator": "-",
+                                                            "right": Node {
+                                                              "end": 323,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 46,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 45,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "raw": "1",
+                                                              "start": 322,
+                                                              "type": "Literal",
+                                                              "value": 1,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          Node {
+                                                            "end": 326,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 49,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 48,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "name": "m",
+                                                            "start": 325,
+                                                            "type": "Identifier",
+                                                          },
+                                                        ],
+                                                        "callee": [Circular],
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 50,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 26,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "type": "CallExpression",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 54,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "operator": "%",
+                                                    "right": Node {
+                                                      "end": 331,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 54,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 53,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 330,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 55,
+                                                      "line": 14,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 12,
+                                                      "line": 14,
+                                                    },
+                                                  },
+                                                  "type": "ReturnStatement",
+                                                },
+                                              ],
+                                              "type": "BlockStatement",
+                                            },
+                                            "consequent": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "declarations": Array [
+                                                    Object {
+                                                      "id": Node {
+                                                        "end": 189,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 25,
+                                                            "line": 11,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 18,
+                                                            "line": 11,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 182,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "init": Object {
+                                                        "arguments": Array [
+                                                          Node {
+                                                            "end": 203,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 39,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 35,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "name": "base",
+                                                            "start": 199,
+                                                            "type": "Identifier",
+                                                          },
+                                                          Object {
+                                                            "left": Node {
+                                                              "end": 208,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 44,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 41,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 205,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 48,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 41,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "operator": "/",
+                                                            "right": Node {
+                                                              "end": 212,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 48,
+                                                                  "line": 11,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 47,
+                                                                  "line": 11,
+                                                                },
+                                                              },
+                                                              "raw": "2",
+                                                              "start": 211,
+                                                              "type": "Literal",
+                                                              "value": 2,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          Node {
+                                                            "end": 215,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 51,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 50,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "name": "m",
+                                                            "start": 214,
+                                                            "type": "Identifier",
+                                                          },
+                                                        ],
+                                                        "callee": [Circular],
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 52,
+                                                            "line": 11,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 28,
+                                                            "line": 11,
+                                                          },
+                                                        },
+                                                        "type": "CallExpression",
+                                                      },
+                                                      "loc": undefined,
+                                                      "type": "VariableDeclarator",
+                                                    },
+                                                  ],
+                                                  "kind": "const",
+                                                  "loc": undefined,
+                                                  "type": "VariableDeclaration",
+                                                },
+                                                Object {
+                                                  "argument": Object {
+                                                    "left": Object {
+                                                      "left": Node {
+                                                        "end": 244,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 26,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 19,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 237,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 36,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "operator": "*",
+                                                      "right": Node {
+                                                        "end": 254,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 36,
+                                                            "line": 12,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 29,
+                                                            "line": 12,
+                                                          },
+                                                        },
+                                                        "name": "to_half",
+                                                        "start": 247,
+                                                        "type": "Identifier",
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 40,
+                                                        "line": 12,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 12,
+                                                      },
+                                                    },
+                                                    "operator": "%",
+                                                    "right": Node {
+                                                      "end": 258,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 40,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 39,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 257,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 41,
+                                                      "line": 12,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 12,
+                                                      "line": 12,
+                                                    },
+                                                  },
+                                                  "type": "ReturnStatement",
+                                                },
+                                              ],
+                                              "type": "BlockStatement",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 9,
+                                                "line": 15,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 10,
+                                              },
+                                            },
+                                            "test": Object {
+                                              "arguments": Array [
+                                                Node {
+                                                  "end": 159,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 23,
+                                                      "line": 10,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 20,
+                                                      "line": 10,
+                                                    },
+                                                  },
+                                                  "name": "exp",
+                                                  "start": 156,
+                                                  "type": "Identifier",
+                                                },
+                                              ],
+                                              "callee": Object {
+                                                "body": Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "argument": Object {
+                                                        "left": Object {
+                                                          "left": Node {
+                                                            "end": 37,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 12,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 11,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "name": "n",
+                                                            "start": 36,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 16,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 11,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "operator": "%",
+                                                          "right": Node {
+                                                            "end": 41,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 16,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 15,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "raw": "2",
+                                                            "start": 40,
+                                                            "type": "Literal",
+                                                            "value": 2,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 22,
+                                                            "line": 3,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 11,
+                                                            "line": 3,
+                                                          },
+                                                        },
+                                                        "operator": "===",
+                                                        "right": Node {
+                                                          "end": 47,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 22,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 21,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "raw": "0",
+                                                          "start": 46,
+                                                          "type": "Literal",
+                                                          "value": 0,
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 23,
+                                                          "line": 3,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 4,
+                                                          "line": 3,
+                                                        },
+                                                      },
+                                                      "type": "ReturnStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                                "id": Node {
+                                                  "end": 19,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 18,
+                                                      "line": 2,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 11,
+                                                      "line": 2,
+                                                    },
+                                                  },
+                                                  "name": "is_even",
+                                                  "start": 12,
+                                                  "type": "Identifier",
+                                                },
+                                                "loc": undefined,
+                                                "params": Array [
+                                                  Node {
+                                                    "end": 21,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 20,
+                                                        "line": 2,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 2,
+                                                      },
+                                                    },
+                                                    "name": "n",
+                                                    "start": 20,
+                                                    "type": "Identifier",
+                                                  },
+                                                ],
+                                                "type": "FunctionExpression",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 24,
+                                                  "line": 10,
+                                                },
+                                                "start": Position {
+                                                  "column": 12,
+                                                  "line": 10,
+                                                },
+                                              },
+                                              "type": "CallExpression",
+                                            },
+                                            "type": "IfStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "consequent": Object {
+                                        "body": Array [
+                                          Object {
+                                            "argument": Node {
+                                              "end": 121,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 16,
+                                                  "line": 8,
+                                                },
+                                                "start": Position {
+                                                  "column": 15,
+                                                  "line": 8,
+                                                },
+                                              },
+                                              "raw": "1",
+                                              "start": 120,
+                                              "type": "Literal",
+                                              "value": 1,
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 17,
+                                                "line": 8,
+                                              },
+                                              "start": Position {
+                                                "column": 8,
+                                                "line": 8,
+                                              },
+                                            },
+                                            "type": "ReturnStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 5,
+                                          "line": 16,
+                                        },
+                                        "start": Position {
+                                          "column": 4,
+                                          "line": 7,
+                                        },
+                                      },
+                                      "test": Object {
+                                        "left": Node {
+                                          "end": 95,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 11,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 8,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "name": "exp",
+                                          "start": 92,
+                                          "type": "Identifier",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 17,
+                                            "line": 7,
+                                          },
+                                          "start": Position {
+                                            "column": 8,
+                                            "line": 7,
+                                          },
+                                        },
+                                        "operator": "===",
+                                        "right": Node {
+                                          "end": 101,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 17,
+                                              "line": 7,
+                                            },
+                                            "start": Position {
+                                              "column": 16,
+                                              "line": 7,
+                                            },
+                                          },
+                                          "raw": "0",
+                                          "start": 100,
+                                          "type": "Literal",
+                                          "value": 0,
+                                        },
+                                        "type": "BinaryExpression",
+                                      },
+                                      "type": "IfStatement",
+                                    },
+                                  ],
+                                  "type": "BlockStatement",
+                                },
+                                "id": Node {
+                                  "end": 67,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 15,
+                                      "line": 6,
+                                    },
+                                    "start": Position {
+                                      "column": 9,
+                                      "line": 6,
+                                    },
+                                  },
+                                  "name": "expmod",
+                                  "start": 61,
+                                  "type": "Identifier",
+                                },
+                                "loc": undefined,
+                                "params": Array [
+                                  Node {
+                                    "end": 72,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 20,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 16,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "base",
+                                    "start": 68,
+                                    "type": "Identifier",
+                                  },
+                                  Node {
+                                    "end": 77,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 25,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 22,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "exp",
+                                    "start": 74,
+                                    "type": "Identifier",
+                                  },
+                                  Node {
+                                    "end": 80,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 28,
+                                        "line": 6,
+                                      },
+                                      "start": Position {
+                                        "column": 27,
+                                        "line": 6,
+                                      },
+                                    },
+                                    "name": "m",
+                                    "start": 79,
+                                    "type": "Identifier",
+                                  },
+                                ],
+                                "type": "FunctionExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 52,
+                                  "line": 11,
+                                },
+                                "start": Position {
+                                  "column": 28,
+                                  "line": 11,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": undefined,
+                            "type": "VariableDeclarator",
+                          },
+                        ],
+                        "kind": "const",
+                        "loc": undefined,
+                        "type": "VariableDeclaration",
+                      },
+                      Object {
+                        "argument": Object {
+                          "left": Object {
+                            "left": Node {
+                              "end": 244,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 26,
+                                  "line": 12,
+                                },
+                                "start": Position {
+                                  "column": 19,
+                                  "line": 12,
+                                },
+                              },
+                              "name": "to_half",
+                              "start": 237,
+                              "type": "Identifier",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 36,
+                                "line": 12,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 12,
+                              },
+                            },
+                            "operator": "*",
+                            "right": Node {
+                              "end": 254,
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 36,
+                                  "line": 12,
+                                },
+                                "start": Position {
+                                  "column": 29,
+                                  "line": 12,
+                                },
+                              },
+                              "name": "to_half",
+                              "start": 247,
+                              "type": "Identifier",
+                            },
+                            "type": "BinaryExpression",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 40,
+                              "line": 12,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 12,
+                            },
+                          },
+                          "operator": "%",
+                          "right": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 5,
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 41,
+                            "line": 12,
+                          },
+                          "start": Position {
+                            "column": 12,
+                            "line": 12,
+                          },
+                        },
+                        "type": "ReturnStatement",
+                      },
+                    ],
+                    "type": "BlockStatement",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 9,
+                      "line": 15,
+                    },
+                    "start": Position {
+                      "column": 8,
+                      "line": 10,
+                    },
+                  },
+                  "test": Node {
+                    "end": 5,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 5,
+                        "line": 1,
+                      },
+                      "start": Position {
+                        "column": 0,
+                        "line": 1,
+                      },
+                    },
+                    "raw": "false",
+                    "start": 0,
+                    "type": "Literal",
+                    "value": false,
+                  },
+                  "type": "IfStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "arguments": Array [
+                              Object {
+                                "loc": undefined,
+                                "type": "Literal",
+                                "value": 4,
+                              },
+                              Object {
+                                "left": Object {
+                                  "loc": undefined,
+                                  "type": "Literal",
+                                  "value": 3,
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 46,
+                                    "line": 14,
+                                  },
+                                  "start": Position {
+                                    "column": 39,
+                                    "line": 14,
+                                  },
+                                },
+                                "operator": "-",
+                                "right": Node {
+                                  "end": 323,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 46,
+                                      "line": 14,
+                                    },
+                                    "start": Position {
+                                      "column": 45,
+                                      "line": 14,
+                                    },
+                                  },
+                                  "raw": "1",
+                                  "start": 322,
+                                  "type": "Literal",
+                                  "value": 1,
+                                },
+                                "type": "BinaryExpression",
+                              },
+                              Object {
+                                "loc": undefined,
+                                "type": "Literal",
+                                "value": 5,
+                              },
+                            ],
+                            "callee": Object {
+                              "body": Object {
+                                "body": Array [
+                                  Object {
+                                    "alternate": Object {
+                                      "body": Array [
+                                        Object {
+                                          "alternate": Object {
+                                            "body": Array [
+                                              Object {
+                                                "argument": Object {
+                                                  "left": Object {
+                                                    "left": Node {
+                                                      "end": 300,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 23,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "name": "base",
+                                                      "start": 296,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 50,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "operator": "*",
+                                                    "right": Object {
+                                                      "arguments": Array [
+                                                        Node {
+                                                          "end": 314,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 37,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 33,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "name": "base",
+                                                          "start": 310,
+                                                          "type": "Identifier",
+                                                        },
+                                                        Object {
+                                                          "left": Node {
+                                                            "end": 319,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 42,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 39,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "name": "exp",
+                                                            "start": 316,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 46,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 39,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "operator": "-",
+                                                          "right": Node {
+                                                            "end": 323,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 46,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 45,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "raw": "1",
+                                                            "start": 322,
+                                                            "type": "Literal",
+                                                            "value": 1,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        Node {
+                                                          "end": 326,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 49,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 48,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "name": "m",
+                                                          "start": 325,
+                                                          "type": "Identifier",
+                                                        },
+                                                      ],
+                                                      "callee": [Circular],
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 50,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 26,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "type": "CallExpression",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 54,
+                                                      "line": 14,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 19,
+                                                      "line": 14,
+                                                    },
+                                                  },
+                                                  "operator": "%",
+                                                  "right": Node {
+                                                    "end": 331,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 54,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 53,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "name": "m",
+                                                    "start": 330,
+                                                    "type": "Identifier",
+                                                  },
+                                                  "type": "BinaryExpression",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 55,
+                                                    "line": 14,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 12,
+                                                    "line": 14,
+                                                  },
+                                                },
+                                                "type": "ReturnStatement",
+                                              },
+                                            ],
+                                            "type": "BlockStatement",
+                                          },
+                                          "consequent": Object {
+                                            "body": Array [
+                                              Object {
+                                                "declarations": Array [
+                                                  Object {
+                                                    "id": Node {
+                                                      "end": 189,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 25,
+                                                          "line": 11,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 18,
+                                                          "line": 11,
+                                                        },
+                                                      },
+                                                      "name": "to_half",
+                                                      "start": 182,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "init": Object {
+                                                      "arguments": Array [
+                                                        Node {
+                                                          "end": 203,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 39,
+                                                              "line": 11,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 35,
+                                                              "line": 11,
+                                                            },
+                                                          },
+                                                          "name": "base",
+                                                          "start": 199,
+                                                          "type": "Identifier",
+                                                        },
+                                                        Object {
+                                                          "left": Node {
+                                                            "end": 208,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 44,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 41,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "name": "exp",
+                                                            "start": 205,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 48,
+                                                              "line": 11,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 41,
+                                                              "line": 11,
+                                                            },
+                                                          },
+                                                          "operator": "/",
+                                                          "right": Node {
+                                                            "end": 212,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 48,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 47,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "raw": "2",
+                                                            "start": 211,
+                                                            "type": "Literal",
+                                                            "value": 2,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        Node {
+                                                          "end": 215,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 51,
+                                                              "line": 11,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 50,
+                                                              "line": 11,
+                                                            },
+                                                          },
+                                                          "name": "m",
+                                                          "start": 214,
+                                                          "type": "Identifier",
+                                                        },
+                                                      ],
+                                                      "callee": [Circular],
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 52,
+                                                          "line": 11,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 28,
+                                                          "line": 11,
+                                                        },
+                                                      },
+                                                      "type": "CallExpression",
+                                                    },
+                                                    "loc": undefined,
+                                                    "type": "VariableDeclarator",
+                                                  },
+                                                ],
+                                                "kind": "const",
+                                                "loc": undefined,
+                                                "type": "VariableDeclaration",
+                                              },
+                                              Object {
+                                                "argument": Object {
+                                                  "left": Object {
+                                                    "left": Node {
+                                                      "end": 244,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 26,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "name": "to_half",
+                                                      "start": 237,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 36,
+                                                        "line": 12,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 12,
+                                                      },
+                                                    },
+                                                    "operator": "*",
+                                                    "right": Node {
+                                                      "end": 254,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 36,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 29,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "name": "to_half",
+                                                      "start": 247,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 40,
+                                                      "line": 12,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 19,
+                                                      "line": 12,
+                                                    },
+                                                  },
+                                                  "operator": "%",
+                                                  "right": Node {
+                                                    "end": 258,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 40,
+                                                        "line": 12,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 39,
+                                                        "line": 12,
+                                                      },
+                                                    },
+                                                    "name": "m",
+                                                    "start": 257,
+                                                    "type": "Identifier",
+                                                  },
+                                                  "type": "BinaryExpression",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 41,
+                                                    "line": 12,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 12,
+                                                    "line": 12,
+                                                  },
+                                                },
+                                                "type": "ReturnStatement",
+                                              },
+                                            ],
+                                            "type": "BlockStatement",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 9,
+                                              "line": 15,
+                                            },
+                                            "start": Position {
+                                              "column": 8,
+                                              "line": 10,
+                                            },
+                                          },
+                                          "test": Object {
+                                            "arguments": Array [
+                                              Node {
+                                                "end": 159,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 23,
+                                                    "line": 10,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 20,
+                                                    "line": 10,
+                                                  },
+                                                },
+                                                "name": "exp",
+                                                "start": 156,
+                                                "type": "Identifier",
+                                              },
+                                            ],
+                                            "callee": Object {
+                                              "body": Object {
+                                                "body": Array [
+                                                  Object {
+                                                    "argument": Object {
+                                                      "left": Object {
+                                                        "left": Node {
+                                                          "end": 37,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 12,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 11,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "name": "n",
+                                                          "start": 36,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 16,
+                                                            "line": 3,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 11,
+                                                            "line": 3,
+                                                          },
+                                                        },
+                                                        "operator": "%",
+                                                        "right": Node {
+                                                          "end": 41,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 16,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 15,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "raw": "2",
+                                                          "start": 40,
+                                                          "type": "Literal",
+                                                          "value": 2,
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 22,
+                                                          "line": 3,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 11,
+                                                          "line": 3,
+                                                        },
+                                                      },
+                                                      "operator": "===",
+                                                      "right": Node {
+                                                        "end": 47,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 22,
+                                                            "line": 3,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 21,
+                                                            "line": 3,
+                                                          },
+                                                        },
+                                                        "raw": "0",
+                                                        "start": 46,
+                                                        "type": "Literal",
+                                                        "value": 0,
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 23,
+                                                        "line": 3,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 4,
+                                                        "line": 3,
+                                                      },
+                                                    },
+                                                    "type": "ReturnStatement",
+                                                  },
+                                                ],
+                                                "type": "BlockStatement",
+                                              },
+                                              "id": Node {
+                                                "end": 19,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 18,
+                                                    "line": 2,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 11,
+                                                    "line": 2,
+                                                  },
+                                                },
+                                                "name": "is_even",
+                                                "start": 12,
+                                                "type": "Identifier",
+                                              },
+                                              "loc": undefined,
+                                              "params": Array [
+                                                Node {
+                                                  "end": 21,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 20,
+                                                      "line": 2,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 19,
+                                                      "line": 2,
+                                                    },
+                                                  },
+                                                  "name": "n",
+                                                  "start": 20,
+                                                  "type": "Identifier",
+                                                },
+                                              ],
+                                              "type": "FunctionExpression",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 24,
+                                                "line": 10,
+                                              },
+                                              "start": Position {
+                                                "column": 12,
+                                                "line": 10,
+                                              },
+                                            },
+                                            "type": "CallExpression",
+                                          },
+                                          "type": "IfStatement",
+                                        },
+                                      ],
+                                      "type": "BlockStatement",
+                                    },
+                                    "consequent": Object {
+                                      "body": Array [
+                                        Object {
+                                          "argument": Node {
+                                            "end": 121,
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 16,
+                                                "line": 8,
+                                              },
+                                              "start": Position {
+                                                "column": 15,
+                                                "line": 8,
+                                              },
+                                            },
+                                            "raw": "1",
+                                            "start": 120,
+                                            "type": "Literal",
+                                            "value": 1,
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 17,
+                                              "line": 8,
+                                            },
+                                            "start": Position {
+                                              "column": 8,
+                                              "line": 8,
+                                            },
+                                          },
+                                          "type": "ReturnStatement",
+                                        },
+                                      ],
+                                      "type": "BlockStatement",
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 5,
+                                        "line": 16,
+                                      },
+                                      "start": Position {
+                                        "column": 4,
+                                        "line": 7,
+                                      },
+                                    },
+                                    "test": Object {
+                                      "left": Node {
+                                        "end": 95,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 11,
+                                            "line": 7,
+                                          },
+                                          "start": Position {
+                                            "column": 8,
+                                            "line": 7,
+                                          },
+                                        },
+                                        "name": "exp",
+                                        "start": 92,
+                                        "type": "Identifier",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 17,
+                                          "line": 7,
+                                        },
+                                        "start": Position {
+                                          "column": 8,
+                                          "line": 7,
+                                        },
+                                      },
+                                      "operator": "===",
+                                      "right": Node {
+                                        "end": 101,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 17,
+                                            "line": 7,
+                                          },
+                                          "start": Position {
+                                            "column": 16,
+                                            "line": 7,
+                                          },
+                                        },
+                                        "raw": "0",
+                                        "start": 100,
+                                        "type": "Literal",
+                                        "value": 0,
+                                      },
+                                      "type": "BinaryExpression",
+                                    },
+                                    "type": "IfStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                              "id": Node {
+                                "end": 67,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 15,
+                                    "line": 6,
+                                  },
+                                  "start": Position {
+                                    "column": 9,
+                                    "line": 6,
+                                  },
+                                },
+                                "name": "expmod",
+                                "start": 61,
+                                "type": "Identifier",
+                              },
+                              "loc": undefined,
+                              "params": Array [
+                                Node {
+                                  "end": 72,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 20,
+                                      "line": 6,
+                                    },
+                                    "start": Position {
+                                      "column": 16,
+                                      "line": 6,
+                                    },
+                                  },
+                                  "name": "base",
+                                  "start": 68,
+                                  "type": "Identifier",
+                                },
+                                Node {
+                                  "end": 77,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 25,
+                                      "line": 6,
+                                    },
+                                    "start": Position {
+                                      "column": 22,
+                                      "line": 6,
+                                    },
+                                  },
+                                  "name": "exp",
+                                  "start": 74,
+                                  "type": "Identifier",
+                                },
+                                Node {
+                                  "end": 80,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 28,
+                                      "line": 6,
+                                    },
+                                    "start": Position {
+                                      "column": 27,
+                                      "line": 6,
+                                    },
+                                  },
+                                  "name": "m",
+                                  "start": 79,
+                                  "type": "Identifier",
+                                },
+                              ],
+                              "type": "FunctionExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 50,
+                                "line": 14,
+                              },
+                              "start": Position {
+                                "column": 26,
+                                "line": 14,
+                              },
+                            },
+                            "type": "CallExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "arguments": Array [
+                              Object {
+                                "loc": undefined,
+                                "type": "Literal",
+                                "value": 4,
+                              },
+                              Node {
+                                "end": 1,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 1,
+                                    "line": 1,
+                                  },
+                                  "start": Position {
+                                    "column": 0,
+                                    "line": 1,
+                                  },
+                                },
+                                "raw": "2",
+                                "start": 0,
+                                "type": "Literal",
+                                "value": 2,
+                              },
+                              Object {
+                                "loc": undefined,
+                                "type": "Literal",
+                                "value": 5,
+                              },
+                            ],
+                            "callee": Object {
+                              "body": Object {
+                                "body": Array [
+                                  Object {
+                                    "alternate": Object {
+                                      "body": Array [
+                                        Object {
+                                          "alternate": Object {
+                                            "body": Array [
+                                              Object {
+                                                "argument": Object {
+                                                  "left": Object {
+                                                    "left": Node {
+                                                      "end": 300,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 23,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "name": "base",
+                                                      "start": 296,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 50,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "operator": "*",
+                                                    "right": Object {
+                                                      "arguments": Array [
+                                                        Node {
+                                                          "end": 314,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 37,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 33,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "name": "base",
+                                                          "start": 310,
+                                                          "type": "Identifier",
+                                                        },
+                                                        Object {
+                                                          "left": Node {
+                                                            "end": 319,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 42,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 39,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "name": "exp",
+                                                            "start": 316,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 46,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 39,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "operator": "-",
+                                                          "right": Node {
+                                                            "end": 323,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 46,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 45,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "raw": "1",
+                                                            "start": 322,
+                                                            "type": "Literal",
+                                                            "value": 1,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        Node {
+                                                          "end": 326,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 49,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 48,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "name": "m",
+                                                          "start": 325,
+                                                          "type": "Identifier",
+                                                        },
+                                                      ],
+                                                      "callee": [Circular],
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 50,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 26,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "type": "CallExpression",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 54,
+                                                      "line": 14,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 19,
+                                                      "line": 14,
+                                                    },
+                                                  },
+                                                  "operator": "%",
+                                                  "right": Node {
+                                                    "end": 331,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 54,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 53,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "name": "m",
+                                                    "start": 330,
+                                                    "type": "Identifier",
+                                                  },
+                                                  "type": "BinaryExpression",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 55,
+                                                    "line": 14,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 12,
+                                                    "line": 14,
+                                                  },
+                                                },
+                                                "type": "ReturnStatement",
+                                              },
+                                            ],
+                                            "type": "BlockStatement",
+                                          },
+                                          "consequent": Object {
+                                            "body": Array [
+                                              Object {
+                                                "declarations": Array [
+                                                  Object {
+                                                    "id": Node {
+                                                      "end": 189,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 25,
+                                                          "line": 11,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 18,
+                                                          "line": 11,
+                                                        },
+                                                      },
+                                                      "name": "to_half",
+                                                      "start": 182,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "init": Object {
+                                                      "arguments": Array [
+                                                        Node {
+                                                          "end": 203,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 39,
+                                                              "line": 11,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 35,
+                                                              "line": 11,
+                                                            },
+                                                          },
+                                                          "name": "base",
+                                                          "start": 199,
+                                                          "type": "Identifier",
+                                                        },
+                                                        Object {
+                                                          "left": Node {
+                                                            "end": 208,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 44,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 41,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "name": "exp",
+                                                            "start": 205,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 48,
+                                                              "line": 11,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 41,
+                                                              "line": 11,
+                                                            },
+                                                          },
+                                                          "operator": "/",
+                                                          "right": Node {
+                                                            "end": 212,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 48,
+                                                                "line": 11,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 47,
+                                                                "line": 11,
+                                                              },
+                                                            },
+                                                            "raw": "2",
+                                                            "start": 211,
+                                                            "type": "Literal",
+                                                            "value": 2,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        Node {
+                                                          "end": 215,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 51,
+                                                              "line": 11,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 50,
+                                                              "line": 11,
+                                                            },
+                                                          },
+                                                          "name": "m",
+                                                          "start": 214,
+                                                          "type": "Identifier",
+                                                        },
+                                                      ],
+                                                      "callee": [Circular],
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 52,
+                                                          "line": 11,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 28,
+                                                          "line": 11,
+                                                        },
+                                                      },
+                                                      "type": "CallExpression",
+                                                    },
+                                                    "loc": undefined,
+                                                    "type": "VariableDeclarator",
+                                                  },
+                                                ],
+                                                "kind": "const",
+                                                "loc": undefined,
+                                                "type": "VariableDeclaration",
+                                              },
+                                              Object {
+                                                "argument": Object {
+                                                  "left": Object {
+                                                    "left": Node {
+                                                      "end": 244,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 26,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 19,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "name": "to_half",
+                                                      "start": 237,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 36,
+                                                        "line": 12,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 19,
+                                                        "line": 12,
+                                                      },
+                                                    },
+                                                    "operator": "*",
+                                                    "right": Node {
+                                                      "end": 254,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 36,
+                                                          "line": 12,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 29,
+                                                          "line": 12,
+                                                        },
+                                                      },
+                                                      "name": "to_half",
+                                                      "start": 247,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 40,
+                                                      "line": 12,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 19,
+                                                      "line": 12,
+                                                    },
+                                                  },
+                                                  "operator": "%",
+                                                  "right": Node {
+                                                    "end": 258,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 40,
+                                                        "line": 12,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 39,
+                                                        "line": 12,
+                                                      },
+                                                    },
+                                                    "name": "m",
+                                                    "start": 257,
+                                                    "type": "Identifier",
+                                                  },
+                                                  "type": "BinaryExpression",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 41,
+                                                    "line": 12,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 12,
+                                                    "line": 12,
+                                                  },
+                                                },
+                                                "type": "ReturnStatement",
+                                              },
+                                            ],
+                                            "type": "BlockStatement",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 9,
+                                              "line": 15,
+                                            },
+                                            "start": Position {
+                                              "column": 8,
+                                              "line": 10,
+                                            },
+                                          },
+                                          "test": Object {
+                                            "arguments": Array [
+                                              Node {
+                                                "end": 159,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 23,
+                                                    "line": 10,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 20,
+                                                    "line": 10,
+                                                  },
+                                                },
+                                                "name": "exp",
+                                                "start": 156,
+                                                "type": "Identifier",
+                                              },
+                                            ],
+                                            "callee": Object {
+                                              "body": Object {
+                                                "body": Array [
+                                                  Object {
+                                                    "argument": Object {
+                                                      "left": Object {
+                                                        "left": Node {
+                                                          "end": 37,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 12,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 11,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "name": "n",
+                                                          "start": 36,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 16,
+                                                            "line": 3,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 11,
+                                                            "line": 3,
+                                                          },
+                                                        },
+                                                        "operator": "%",
+                                                        "right": Node {
+                                                          "end": 41,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 16,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 15,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "raw": "2",
+                                                          "start": 40,
+                                                          "type": "Literal",
+                                                          "value": 2,
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 22,
+                                                          "line": 3,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 11,
+                                                          "line": 3,
+                                                        },
+                                                      },
+                                                      "operator": "===",
+                                                      "right": Node {
+                                                        "end": 47,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 22,
+                                                            "line": 3,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 21,
+                                                            "line": 3,
+                                                          },
+                                                        },
+                                                        "raw": "0",
+                                                        "start": 46,
+                                                        "type": "Literal",
+                                                        "value": 0,
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 23,
+                                                        "line": 3,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 4,
+                                                        "line": 3,
+                                                      },
+                                                    },
+                                                    "type": "ReturnStatement",
+                                                  },
+                                                ],
+                                                "type": "BlockStatement",
+                                              },
+                                              "id": Node {
+                                                "end": 19,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 18,
+                                                    "line": 2,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 11,
+                                                    "line": 2,
+                                                  },
+                                                },
+                                                "name": "is_even",
+                                                "start": 12,
+                                                "type": "Identifier",
+                                              },
+                                              "loc": undefined,
+                                              "params": Array [
+                                                Node {
+                                                  "end": 21,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 20,
+                                                      "line": 2,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 19,
+                                                      "line": 2,
+                                                    },
+                                                  },
+                                                  "name": "n",
+                                                  "start": 20,
+                                                  "type": "Identifier",
+                                                },
+                                              ],
+                                              "type": "FunctionExpression",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 24,
+                                                "line": 10,
+                                              },
+                                              "start": Position {
+                                                "column": 12,
+                                                "line": 10,
+                                              },
+                                            },
+                                            "type": "CallExpression",
+                                          },
+                                          "type": "IfStatement",
+                                        },
+                                      ],
+                                      "type": "BlockStatement",
+                                    },
+                                    "consequent": Object {
+                                      "body": Array [
+                                        Object {
+                                          "argument": Node {
+                                            "end": 121,
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 16,
+                                                "line": 8,
+                                              },
+                                              "start": Position {
+                                                "column": 15,
+                                                "line": 8,
+                                              },
+                                            },
+                                            "raw": "1",
+                                            "start": 120,
+                                            "type": "Literal",
+                                            "value": 1,
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 17,
+                                              "line": 8,
+                                            },
+                                            "start": Position {
+                                              "column": 8,
+                                              "line": 8,
+                                            },
+                                          },
+                                          "type": "ReturnStatement",
+                                        },
+                                      ],
+                                      "type": "BlockStatement",
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 5,
+                                        "line": 16,
+                                      },
+                                      "start": Position {
+                                        "column": 4,
+                                        "line": 7,
+                                      },
+                                    },
+                                    "test": Object {
+                                      "left": Node {
+                                        "end": 95,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 11,
+                                            "line": 7,
+                                          },
+                                          "start": Position {
+                                            "column": 8,
+                                            "line": 7,
+                                          },
+                                        },
+                                        "name": "exp",
+                                        "start": 92,
+                                        "type": "Identifier",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 17,
+                                          "line": 7,
+                                        },
+                                        "start": Position {
+                                          "column": 8,
+                                          "line": 7,
+                                        },
+                                      },
+                                      "operator": "===",
+                                      "right": Node {
+                                        "end": 101,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 17,
+                                            "line": 7,
+                                          },
+                                          "start": Position {
+                                            "column": 16,
+                                            "line": 7,
+                                          },
+                                        },
+                                        "raw": "0",
+                                        "start": 100,
+                                        "type": "Literal",
+                                        "value": 0,
+                                      },
+                                      "type": "BinaryExpression",
+                                    },
+                                    "type": "IfStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                              "id": Node {
+                                "end": 67,
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 15,
+                                    "line": 6,
+                                  },
+                                  "start": Position {
+                                    "column": 9,
+                                    "line": 6,
+                                  },
+                                },
+                                "name": "expmod",
+                                "start": 61,
+                                "type": "Identifier",
+                              },
+                              "loc": undefined,
+                              "params": Array [
+                                Node {
+                                  "end": 72,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 20,
+                                      "line": 6,
+                                    },
+                                    "start": Position {
+                                      "column": 16,
+                                      "line": 6,
+                                    },
+                                  },
+                                  "name": "base",
+                                  "start": 68,
+                                  "type": "Identifier",
+                                },
+                                Node {
+                                  "end": 77,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 25,
+                                      "line": 6,
+                                    },
+                                    "start": Position {
+                                      "column": 22,
+                                      "line": 6,
+                                    },
+                                  },
+                                  "name": "exp",
+                                  "start": 74,
+                                  "type": "Identifier",
+                                },
+                                Node {
+                                  "end": 80,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 28,
+                                      "line": 6,
+                                    },
+                                    "start": Position {
+                                      "column": 27,
+                                      "line": 6,
+                                    },
+                                  },
+                                  "name": "m",
+                                  "start": 79,
+                                  "type": "Identifier",
+                                },
+                              ],
+                              "type": "FunctionExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 50,
+                                "line": 14,
+                              },
+                              "start": Position {
+                                "column": 26,
+                                "line": 14,
+                              },
+                            },
+                            "type": "CallExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "alternate": Object {
+                                  "body": Array [
+                                    Object {
+                                      "alternate": Object {
+                                        "body": Array [
+                                          Object {
+                                            "argument": Object {
+                                              "left": Object {
+                                                "left": Object {
+                                                  "loc": undefined,
+                                                  "type": "Literal",
+                                                  "value": 4,
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 50,
+                                                    "line": 14,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 19,
+                                                    "line": 14,
+                                                  },
+                                                },
+                                                "operator": "*",
+                                                "right": Object {
+                                                  "arguments": Array [
+                                                    Object {
+                                                      "loc": undefined,
+                                                      "type": "Literal",
+                                                      "value": 4,
+                                                    },
+                                                    Object {
+                                                      "left": Object {
+                                                        "loc": undefined,
+                                                        "type": "Literal",
+                                                        "value": 2,
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 46,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 39,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "operator": "-",
+                                                      "right": Node {
+                                                        "end": 323,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 46,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 45,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "raw": "1",
+                                                        "start": 322,
+                                                        "type": "Literal",
+                                                        "value": 1,
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    Object {
+                                                      "loc": undefined,
+                                                      "type": "Literal",
+                                                      "value": 5,
+                                                    },
+                                                  ],
+                                                  "callee": Object {
+                                                    "body": Object {
+                                                      "body": Array [
+                                                        Object {
+                                                          "alternate": Object {
+                                                            "body": Array [
+                                                              Object {
+                                                                "alternate": Object {
+                                                                  "body": Array [
+                                                                    Object {
+                                                                      "argument": Object {
+                                                                        "left": Object {
+                                                                          "left": Node {
+                                                                            "end": 300,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 23,
+                                                                                "line": 14,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 19,
+                                                                                "line": 14,
+                                                                              },
+                                                                            },
+                                                                            "name": "base",
+                                                                            "start": 296,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 50,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "operator": "*",
+                                                                          "right": Object {
+                                                                            "arguments": Array [
+                                                                              Node {
+                                                                                "end": 314,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 37,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 33,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "name": "base",
+                                                                                "start": 310,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              Object {
+                                                                                "left": Node {
+                                                                                  "end": 319,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 42,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 39,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                  },
+                                                                                  "name": "exp",
+                                                                                  "start": 316,
+                                                                                  "type": "Identifier",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 46,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 39,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "operator": "-",
+                                                                                "right": Node {
+                                                                                  "end": 323,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 46,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 45,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                  },
+                                                                                  "raw": "1",
+                                                                                  "start": 322,
+                                                                                  "type": "Literal",
+                                                                                  "value": 1,
+                                                                                },
+                                                                                "type": "BinaryExpression",
+                                                                              },
+                                                                              Node {
+                                                                                "end": 326,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 49,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 48,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "name": "m",
+                                                                                "start": 325,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                            ],
+                                                                            "callee": [Circular],
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 50,
+                                                                                "line": 14,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 26,
+                                                                                "line": 14,
+                                                                              },
+                                                                            },
+                                                                            "type": "CallExpression",
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 54,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "operator": "%",
+                                                                        "right": Node {
+                                                                          "end": 331,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 54,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 53,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "name": "m",
+                                                                          "start": 330,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 55,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 12,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "type": "ReturnStatement",
+                                                                    },
+                                                                  ],
+                                                                  "type": "BlockStatement",
+                                                                },
+                                                                "consequent": Object {
+                                                                  "body": Array [
+                                                                    Object {
+                                                                      "declarations": Array [
+                                                                        Object {
+                                                                          "id": Node {
+                                                                            "end": 189,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 25,
+                                                                                "line": 11,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 18,
+                                                                                "line": 11,
+                                                                              },
+                                                                            },
+                                                                            "name": "to_half",
+                                                                            "start": 182,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "init": Object {
+                                                                            "arguments": Array [
+                                                                              Node {
+                                                                                "end": 203,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 39,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 35,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "name": "base",
+                                                                                "start": 199,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              Object {
+                                                                                "left": Node {
+                                                                                  "end": 208,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 44,
+                                                                                      "line": 11,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 41,
+                                                                                      "line": 11,
+                                                                                    },
+                                                                                  },
+                                                                                  "name": "exp",
+                                                                                  "start": 205,
+                                                                                  "type": "Identifier",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 48,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 41,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "operator": "/",
+                                                                                "right": Node {
+                                                                                  "end": 212,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 48,
+                                                                                      "line": 11,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 47,
+                                                                                      "line": 11,
+                                                                                    },
+                                                                                  },
+                                                                                  "raw": "2",
+                                                                                  "start": 211,
+                                                                                  "type": "Literal",
+                                                                                  "value": 2,
+                                                                                },
+                                                                                "type": "BinaryExpression",
+                                                                              },
+                                                                              Node {
+                                                                                "end": 215,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 51,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 50,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "name": "m",
+                                                                                "start": 214,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                            ],
+                                                                            "callee": [Circular],
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 52,
+                                                                                "line": 11,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 28,
+                                                                                "line": 11,
+                                                                              },
+                                                                            },
+                                                                            "type": "CallExpression",
+                                                                          },
+                                                                          "loc": undefined,
+                                                                          "type": "VariableDeclarator",
+                                                                        },
+                                                                      ],
+                                                                      "kind": "const",
+                                                                      "loc": undefined,
+                                                                      "type": "VariableDeclaration",
+                                                                    },
+                                                                    Object {
+                                                                      "argument": Object {
+                                                                        "left": Object {
+                                                                          "left": Node {
+                                                                            "end": 244,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 26,
+                                                                                "line": 12,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 19,
+                                                                                "line": 12,
+                                                                              },
+                                                                            },
+                                                                            "name": "to_half",
+                                                                            "start": 237,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 36,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "operator": "*",
+                                                                          "right": Node {
+                                                                            "end": 254,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 36,
+                                                                                "line": 12,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 29,
+                                                                                "line": 12,
+                                                                              },
+                                                                            },
+                                                                            "name": "to_half",
+                                                                            "start": 247,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 40,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "operator": "%",
+                                                                        "right": Node {
+                                                                          "end": 258,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 40,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 39,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "m",
+                                                                          "start": 257,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 41,
+                                                                          "line": 12,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 12,
+                                                                          "line": 12,
+                                                                        },
+                                                                      },
+                                                                      "type": "ReturnStatement",
+                                                                    },
+                                                                  ],
+                                                                  "type": "BlockStatement",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 9,
+                                                                    "line": 15,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 8,
+                                                                    "line": 10,
+                                                                  },
+                                                                },
+                                                                "test": Object {
+                                                                  "arguments": Array [
+                                                                    Node {
+                                                                      "end": 159,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 23,
+                                                                          "line": 10,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 20,
+                                                                          "line": 10,
+                                                                        },
+                                                                      },
+                                                                      "name": "exp",
+                                                                      "start": 156,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                  ],
+                                                                  "callee": Object {
+                                                                    "body": Object {
+                                                                      "body": Array [
+                                                                        Object {
+                                                                          "argument": Object {
+                                                                            "left": Object {
+                                                                              "left": Node {
+                                                                                "end": 37,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 12,
+                                                                                    "line": 3,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 11,
+                                                                                    "line": 3,
+                                                                                  },
+                                                                                },
+                                                                                "name": "n",
+                                                                                "start": 36,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "operator": "%",
+                                                                              "right": Node {
+                                                                                "end": 41,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 16,
+                                                                                    "line": 3,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 15,
+                                                                                    "line": 3,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "2",
+                                                                                "start": 40,
+                                                                                "type": "Literal",
+                                                                                "value": 2,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 22,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 11,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "operator": "===",
+                                                                            "right": Node {
+                                                                              "end": 47,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 22,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 21,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "raw": "0",
+                                                                              "start": 46,
+                                                                              "type": "Literal",
+                                                                              "value": 0,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 23,
+                                                                              "line": 3,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 4,
+                                                                              "line": 3,
+                                                                            },
+                                                                          },
+                                                                          "type": "ReturnStatement",
+                                                                        },
+                                                                      ],
+                                                                      "type": "BlockStatement",
+                                                                    },
+                                                                    "id": Node {
+                                                                      "end": 19,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 18,
+                                                                          "line": 2,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 11,
+                                                                          "line": 2,
+                                                                        },
+                                                                      },
+                                                                      "name": "is_even",
+                                                                      "start": 12,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    "loc": undefined,
+                                                                    "params": Array [
+                                                                      Node {
+                                                                        "end": 21,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 20,
+                                                                            "line": 2,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 2,
+                                                                          },
+                                                                        },
+                                                                        "name": "n",
+                                                                        "start": 20,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                    ],
+                                                                    "type": "FunctionExpression",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 24,
+                                                                      "line": 10,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 12,
+                                                                      "line": 10,
+                                                                    },
+                                                                  },
+                                                                  "type": "CallExpression",
+                                                                },
+                                                                "type": "IfStatement",
+                                                              },
+                                                            ],
+                                                            "type": "BlockStatement",
+                                                          },
+                                                          "consequent": Object {
+                                                            "body": Array [
+                                                              Object {
+                                                                "argument": Node {
+                                                                  "end": 121,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 16,
+                                                                      "line": 8,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 15,
+                                                                      "line": 8,
+                                                                    },
+                                                                  },
+                                                                  "raw": "1",
+                                                                  "start": 120,
+                                                                  "type": "Literal",
+                                                                  "value": 1,
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 17,
+                                                                    "line": 8,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 8,
+                                                                    "line": 8,
+                                                                  },
+                                                                },
+                                                                "type": "ReturnStatement",
+                                                              },
+                                                            ],
+                                                            "type": "BlockStatement",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 5,
+                                                              "line": 16,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 4,
+                                                              "line": 7,
+                                                            },
+                                                          },
+                                                          "test": Object {
+                                                            "left": Node {
+                                                              "end": 95,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 11,
+                                                                  "line": 7,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 7,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 92,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 17,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 8,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "operator": "===",
+                                                            "right": Node {
+                                                              "end": 101,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 17,
+                                                                  "line": 7,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 16,
+                                                                  "line": 7,
+                                                                },
+                                                              },
+                                                              "raw": "0",
+                                                              "start": 100,
+                                                              "type": "Literal",
+                                                              "value": 0,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          "type": "IfStatement",
+                                                        },
+                                                      ],
+                                                      "type": "BlockStatement",
+                                                    },
+                                                    "id": Node {
+                                                      "end": 67,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 15,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 9,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "expmod",
+                                                      "start": 61,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "loc": undefined,
+                                                    "params": Array [
+                                                      Node {
+                                                        "end": 72,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 20,
+                                                            "line": 6,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 16,
+                                                            "line": 6,
+                                                          },
+                                                        },
+                                                        "name": "base",
+                                                        "start": 68,
+                                                        "type": "Identifier",
+                                                      },
+                                                      Node {
+                                                        "end": 77,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 25,
+                                                            "line": 6,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 22,
+                                                            "line": 6,
+                                                          },
+                                                        },
+                                                        "name": "exp",
+                                                        "start": 74,
+                                                        "type": "Identifier",
+                                                      },
+                                                      Node {
+                                                        "end": 80,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 28,
+                                                            "line": 6,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 27,
+                                                            "line": 6,
+                                                          },
+                                                        },
+                                                        "name": "m",
+                                                        "start": 79,
+                                                        "type": "Identifier",
+                                                      },
+                                                    ],
+                                                    "type": "FunctionExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 50,
+                                                      "line": 14,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 26,
+                                                      "line": 14,
+                                                    },
+                                                  },
+                                                  "type": "CallExpression",
+                                                },
+                                                "type": "BinaryExpression",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 54,
+                                                  "line": 14,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 14,
+                                                },
+                                              },
+                                              "operator": "%",
+                                              "right": Object {
+                                                "loc": undefined,
+                                                "type": "Literal",
+                                                "value": 5,
+                                              },
+                                              "type": "BinaryExpression",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 55,
+                                                "line": 14,
+                                              },
+                                              "start": Position {
+                                                "column": 12,
+                                                "line": 14,
+                                              },
+                                            },
+                                            "type": "ReturnStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "consequent": Object {
+                                        "body": Array [
+                                          Object {
+                                            "declarations": Array [
+                                              Object {
+                                                "id": Node {
+                                                  "end": 189,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 25,
+                                                      "line": 11,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 18,
+                                                      "line": 11,
+                                                    },
+                                                  },
+                                                  "name": "to_half",
+                                                  "start": 182,
+                                                  "type": "Identifier",
+                                                },
+                                                "init": Object {
+                                                  "arguments": Array [
+                                                    Object {
+                                                      "loc": undefined,
+                                                      "type": "Literal",
+                                                      "value": 4,
+                                                    },
+                                                    Object {
+                                                      "left": Object {
+                                                        "loc": undefined,
+                                                        "type": "Literal",
+                                                        "value": 2,
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 48,
+                                                          "line": 11,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 41,
+                                                          "line": 11,
+                                                        },
+                                                      },
+                                                      "operator": "/",
+                                                      "right": Node {
+                                                        "end": 212,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 48,
+                                                            "line": 11,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 47,
+                                                            "line": 11,
+                                                          },
+                                                        },
+                                                        "raw": "2",
+                                                        "start": 211,
+                                                        "type": "Literal",
+                                                        "value": 2,
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    Object {
+                                                      "loc": undefined,
+                                                      "type": "Literal",
+                                                      "value": 5,
+                                                    },
+                                                  ],
+                                                  "callee": Object {
+                                                    "body": Object {
+                                                      "body": Array [
+                                                        Object {
+                                                          "alternate": Object {
+                                                            "body": Array [
+                                                              Object {
+                                                                "alternate": Object {
+                                                                  "body": Array [
+                                                                    Object {
+                                                                      "argument": Object {
+                                                                        "left": Object {
+                                                                          "left": Node {
+                                                                            "end": 300,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 23,
+                                                                                "line": 14,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 19,
+                                                                                "line": 14,
+                                                                              },
+                                                                            },
+                                                                            "name": "base",
+                                                                            "start": 296,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 50,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "operator": "*",
+                                                                          "right": Object {
+                                                                            "arguments": Array [
+                                                                              Node {
+                                                                                "end": 314,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 37,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 33,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "name": "base",
+                                                                                "start": 310,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              Object {
+                                                                                "left": Node {
+                                                                                  "end": 319,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 42,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 39,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                  },
+                                                                                  "name": "exp",
+                                                                                  "start": 316,
+                                                                                  "type": "Identifier",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 46,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 39,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "operator": "-",
+                                                                                "right": Node {
+                                                                                  "end": 323,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 46,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 45,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                  },
+                                                                                  "raw": "1",
+                                                                                  "start": 322,
+                                                                                  "type": "Literal",
+                                                                                  "value": 1,
+                                                                                },
+                                                                                "type": "BinaryExpression",
+                                                                              },
+                                                                              Node {
+                                                                                "end": 326,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 49,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 48,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "name": "m",
+                                                                                "start": 325,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                            ],
+                                                                            "callee": [Circular],
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 50,
+                                                                                "line": 14,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 26,
+                                                                                "line": 14,
+                                                                              },
+                                                                            },
+                                                                            "type": "CallExpression",
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 54,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "operator": "%",
+                                                                        "right": Node {
+                                                                          "end": 331,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 54,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 53,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "name": "m",
+                                                                          "start": 330,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 55,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 12,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "type": "ReturnStatement",
+                                                                    },
+                                                                  ],
+                                                                  "type": "BlockStatement",
+                                                                },
+                                                                "consequent": Object {
+                                                                  "body": Array [
+                                                                    Object {
+                                                                      "declarations": Array [
+                                                                        Object {
+                                                                          "id": Node {
+                                                                            "end": 189,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 25,
+                                                                                "line": 11,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 18,
+                                                                                "line": 11,
+                                                                              },
+                                                                            },
+                                                                            "name": "to_half",
+                                                                            "start": 182,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "init": Object {
+                                                                            "arguments": Array [
+                                                                              Node {
+                                                                                "end": 203,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 39,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 35,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "name": "base",
+                                                                                "start": 199,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              Object {
+                                                                                "left": Node {
+                                                                                  "end": 208,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 44,
+                                                                                      "line": 11,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 41,
+                                                                                      "line": 11,
+                                                                                    },
+                                                                                  },
+                                                                                  "name": "exp",
+                                                                                  "start": 205,
+                                                                                  "type": "Identifier",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 48,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 41,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "operator": "/",
+                                                                                "right": Node {
+                                                                                  "end": 212,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 48,
+                                                                                      "line": 11,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 47,
+                                                                                      "line": 11,
+                                                                                    },
+                                                                                  },
+                                                                                  "raw": "2",
+                                                                                  "start": 211,
+                                                                                  "type": "Literal",
+                                                                                  "value": 2,
+                                                                                },
+                                                                                "type": "BinaryExpression",
+                                                                              },
+                                                                              Node {
+                                                                                "end": 215,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 51,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 50,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "name": "m",
+                                                                                "start": 214,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                            ],
+                                                                            "callee": [Circular],
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 52,
+                                                                                "line": 11,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 28,
+                                                                                "line": 11,
+                                                                              },
+                                                                            },
+                                                                            "type": "CallExpression",
+                                                                          },
+                                                                          "loc": undefined,
+                                                                          "type": "VariableDeclarator",
+                                                                        },
+                                                                      ],
+                                                                      "kind": "const",
+                                                                      "loc": undefined,
+                                                                      "type": "VariableDeclaration",
+                                                                    },
+                                                                    Object {
+                                                                      "argument": Object {
+                                                                        "left": Object {
+                                                                          "left": Node {
+                                                                            "end": 244,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 26,
+                                                                                "line": 12,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 19,
+                                                                                "line": 12,
+                                                                              },
+                                                                            },
+                                                                            "name": "to_half",
+                                                                            "start": 237,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 36,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "operator": "*",
+                                                                          "right": Node {
+                                                                            "end": 254,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 36,
+                                                                                "line": 12,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 29,
+                                                                                "line": 12,
+                                                                              },
+                                                                            },
+                                                                            "name": "to_half",
+                                                                            "start": 247,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 40,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "operator": "%",
+                                                                        "right": Node {
+                                                                          "end": 258,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 40,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 39,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "m",
+                                                                          "start": 257,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 41,
+                                                                          "line": 12,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 12,
+                                                                          "line": 12,
+                                                                        },
+                                                                      },
+                                                                      "type": "ReturnStatement",
+                                                                    },
+                                                                  ],
+                                                                  "type": "BlockStatement",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 9,
+                                                                    "line": 15,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 8,
+                                                                    "line": 10,
+                                                                  },
+                                                                },
+                                                                "test": Object {
+                                                                  "arguments": Array [
+                                                                    Node {
+                                                                      "end": 159,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 23,
+                                                                          "line": 10,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 20,
+                                                                          "line": 10,
+                                                                        },
+                                                                      },
+                                                                      "name": "exp",
+                                                                      "start": 156,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                  ],
+                                                                  "callee": Object {
+                                                                    "body": Object {
+                                                                      "body": Array [
+                                                                        Object {
+                                                                          "argument": Object {
+                                                                            "left": Object {
+                                                                              "left": Node {
+                                                                                "end": 37,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 12,
+                                                                                    "line": 3,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 11,
+                                                                                    "line": 3,
+                                                                                  },
+                                                                                },
+                                                                                "name": "n",
+                                                                                "start": 36,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "operator": "%",
+                                                                              "right": Node {
+                                                                                "end": 41,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 16,
+                                                                                    "line": 3,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 15,
+                                                                                    "line": 3,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "2",
+                                                                                "start": 40,
+                                                                                "type": "Literal",
+                                                                                "value": 2,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 22,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 11,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "operator": "===",
+                                                                            "right": Node {
+                                                                              "end": 47,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 22,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 21,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "raw": "0",
+                                                                              "start": 46,
+                                                                              "type": "Literal",
+                                                                              "value": 0,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 23,
+                                                                              "line": 3,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 4,
+                                                                              "line": 3,
+                                                                            },
+                                                                          },
+                                                                          "type": "ReturnStatement",
+                                                                        },
+                                                                      ],
+                                                                      "type": "BlockStatement",
+                                                                    },
+                                                                    "id": Node {
+                                                                      "end": 19,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 18,
+                                                                          "line": 2,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 11,
+                                                                          "line": 2,
+                                                                        },
+                                                                      },
+                                                                      "name": "is_even",
+                                                                      "start": 12,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    "loc": undefined,
+                                                                    "params": Array [
+                                                                      Node {
+                                                                        "end": 21,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 20,
+                                                                            "line": 2,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 2,
+                                                                          },
+                                                                        },
+                                                                        "name": "n",
+                                                                        "start": 20,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                    ],
+                                                                    "type": "FunctionExpression",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 24,
+                                                                      "line": 10,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 12,
+                                                                      "line": 10,
+                                                                    },
+                                                                  },
+                                                                  "type": "CallExpression",
+                                                                },
+                                                                "type": "IfStatement",
+                                                              },
+                                                            ],
+                                                            "type": "BlockStatement",
+                                                          },
+                                                          "consequent": Object {
+                                                            "body": Array [
+                                                              Object {
+                                                                "argument": Node {
+                                                                  "end": 121,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 16,
+                                                                      "line": 8,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 15,
+                                                                      "line": 8,
+                                                                    },
+                                                                  },
+                                                                  "raw": "1",
+                                                                  "start": 120,
+                                                                  "type": "Literal",
+                                                                  "value": 1,
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 17,
+                                                                    "line": 8,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 8,
+                                                                    "line": 8,
+                                                                  },
+                                                                },
+                                                                "type": "ReturnStatement",
+                                                              },
+                                                            ],
+                                                            "type": "BlockStatement",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 5,
+                                                              "line": 16,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 4,
+                                                              "line": 7,
+                                                            },
+                                                          },
+                                                          "test": Object {
+                                                            "left": Node {
+                                                              "end": 95,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 11,
+                                                                  "line": 7,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 7,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 92,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 17,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 8,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "operator": "===",
+                                                            "right": Node {
+                                                              "end": 101,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 17,
+                                                                  "line": 7,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 16,
+                                                                  "line": 7,
+                                                                },
+                                                              },
+                                                              "raw": "0",
+                                                              "start": 100,
+                                                              "type": "Literal",
+                                                              "value": 0,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          "type": "IfStatement",
+                                                        },
+                                                      ],
+                                                      "type": "BlockStatement",
+                                                    },
+                                                    "id": Node {
+                                                      "end": 67,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 15,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 9,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "expmod",
+                                                      "start": 61,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "loc": undefined,
+                                                    "params": Array [
+                                                      Node {
+                                                        "end": 72,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 20,
+                                                            "line": 6,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 16,
+                                                            "line": 6,
+                                                          },
+                                                        },
+                                                        "name": "base",
+                                                        "start": 68,
+                                                        "type": "Identifier",
+                                                      },
+                                                      Node {
+                                                        "end": 77,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 25,
+                                                            "line": 6,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 22,
+                                                            "line": 6,
+                                                          },
+                                                        },
+                                                        "name": "exp",
+                                                        "start": 74,
+                                                        "type": "Identifier",
+                                                      },
+                                                      Node {
+                                                        "end": 80,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 28,
+                                                            "line": 6,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 27,
+                                                            "line": 6,
+                                                          },
+                                                        },
+                                                        "name": "m",
+                                                        "start": 79,
+                                                        "type": "Identifier",
+                                                      },
+                                                    ],
+                                                    "type": "FunctionExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 52,
+                                                      "line": 11,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 28,
+                                                      "line": 11,
+                                                    },
+                                                  },
+                                                  "type": "CallExpression",
+                                                },
+                                                "loc": undefined,
+                                                "type": "VariableDeclarator",
+                                              },
+                                            ],
+                                            "kind": "const",
+                                            "loc": undefined,
+                                            "type": "VariableDeclaration",
+                                          },
+                                          Object {
+                                            "argument": Object {
+                                              "left": Object {
+                                                "left": Node {
+                                                  "end": 244,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 26,
+                                                      "line": 12,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 19,
+                                                      "line": 12,
+                                                    },
+                                                  },
+                                                  "name": "to_half",
+                                                  "start": 237,
+                                                  "type": "Identifier",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 36,
+                                                    "line": 12,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 19,
+                                                    "line": 12,
+                                                  },
+                                                },
+                                                "operator": "*",
+                                                "right": Node {
+                                                  "end": 254,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 36,
+                                                      "line": 12,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 29,
+                                                      "line": 12,
+                                                    },
+                                                  },
+                                                  "name": "to_half",
+                                                  "start": 247,
+                                                  "type": "Identifier",
+                                                },
+                                                "type": "BinaryExpression",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 40,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "operator": "%",
+                                              "right": Object {
+                                                "loc": undefined,
+                                                "type": "Literal",
+                                                "value": 5,
+                                              },
+                                              "type": "BinaryExpression",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 41,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 12,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "type": "ReturnStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 9,
+                                          "line": 15,
+                                        },
+                                        "start": Position {
+                                          "column": 8,
+                                          "line": 10,
+                                        },
+                                      },
+                                      "test": Object {
+                                        "arguments": Array [
+                                          Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 2,
+                                          },
+                                        ],
+                                        "callee": Object {
+                                          "body": Object {
+                                            "body": Array [
+                                              Object {
+                                                "argument": Object {
+                                                  "left": Object {
+                                                    "left": Node {
+                                                      "end": 37,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 12,
+                                                          "line": 3,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 11,
+                                                          "line": 3,
+                                                        },
+                                                      },
+                                                      "name": "n",
+                                                      "start": 36,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 16,
+                                                        "line": 3,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 11,
+                                                        "line": 3,
+                                                      },
+                                                    },
+                                                    "operator": "%",
+                                                    "right": Node {
+                                                      "end": 41,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 16,
+                                                          "line": 3,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 15,
+                                                          "line": 3,
+                                                        },
+                                                      },
+                                                      "raw": "2",
+                                                      "start": 40,
+                                                      "type": "Literal",
+                                                      "value": 2,
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 22,
+                                                      "line": 3,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 11,
+                                                      "line": 3,
+                                                    },
+                                                  },
+                                                  "operator": "===",
+                                                  "right": Node {
+                                                    "end": 47,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 22,
+                                                        "line": 3,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 21,
+                                                        "line": 3,
+                                                      },
+                                                    },
+                                                    "raw": "0",
+                                                    "start": 46,
+                                                    "type": "Literal",
+                                                    "value": 0,
+                                                  },
+                                                  "type": "BinaryExpression",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 23,
+                                                    "line": 3,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 4,
+                                                    "line": 3,
+                                                  },
+                                                },
+                                                "type": "ReturnStatement",
+                                              },
+                                            ],
+                                            "type": "BlockStatement",
+                                          },
+                                          "id": Node {
+                                            "end": 19,
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 18,
+                                                "line": 2,
+                                              },
+                                              "start": Position {
+                                                "column": 11,
+                                                "line": 2,
+                                              },
+                                            },
+                                            "name": "is_even",
+                                            "start": 12,
+                                            "type": "Identifier",
+                                          },
+                                          "loc": undefined,
+                                          "params": Array [
+                                            Node {
+                                              "end": 21,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 20,
+                                                  "line": 2,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 2,
+                                                },
+                                              },
+                                              "name": "n",
+                                              "start": 20,
+                                              "type": "Identifier",
+                                            },
+                                          ],
+                                          "type": "FunctionExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 24,
+                                            "line": 10,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 10,
+                                          },
+                                        },
+                                        "type": "CallExpression",
+                                      },
+                                      "type": "IfStatement",
+                                    },
+                                  ],
+                                  "type": "BlockStatement",
+                                },
+                                "consequent": Object {
+                                  "body": Array [
+                                    Object {
+                                      "argument": Node {
+                                        "end": 121,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 16,
+                                            "line": 8,
+                                          },
+                                          "start": Position {
+                                            "column": 15,
+                                            "line": 8,
+                                          },
+                                        },
+                                        "raw": "1",
+                                        "start": 120,
+                                        "type": "Literal",
+                                        "value": 1,
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 17,
+                                          "line": 8,
+                                        },
+                                        "start": Position {
+                                          "column": 8,
+                                          "line": 8,
+                                        },
+                                      },
+                                      "type": "ReturnStatement",
+                                    },
+                                  ],
+                                  "type": "BlockStatement",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 5,
+                                    "line": 16,
+                                  },
+                                  "start": Position {
+                                    "column": 4,
+                                    "line": 7,
+                                  },
+                                },
+                                "test": Object {
+                                  "left": Object {
+                                    "loc": undefined,
+                                    "type": "Literal",
+                                    "value": 2,
+                                  },
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 17,
+                                      "line": 7,
+                                    },
+                                    "start": Position {
+                                      "column": 8,
+                                      "line": 7,
+                                    },
+                                  },
+                                  "operator": "===",
+                                  "right": Node {
+                                    "end": 101,
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 17,
+                                        "line": 7,
+                                      },
+                                      "start": Position {
+                                        "column": 16,
+                                        "line": 7,
+                                      },
+                                    },
+                                    "raw": "0",
+                                    "start": 100,
+                                    "type": "Literal",
+                                    "value": 0,
+                                  },
+                                  "type": "BinaryExpression",
+                                },
+                                "type": "IfStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "alternate": Object {
+                                  "body": Array [
+                                    Object {
+                                      "alternate": Object {
+                                        "body": Array [
+                                          Object {
+                                            "argument": Object {
+                                              "left": Object {
+                                                "left": Object {
+                                                  "loc": undefined,
+                                                  "type": "Literal",
+                                                  "value": 4,
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 50,
+                                                    "line": 14,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 19,
+                                                    "line": 14,
+                                                  },
+                                                },
+                                                "operator": "*",
+                                                "right": Object {
+                                                  "arguments": Array [
+                                                    Object {
+                                                      "loc": undefined,
+                                                      "type": "Literal",
+                                                      "value": 4,
+                                                    },
+                                                    Object {
+                                                      "left": Object {
+                                                        "loc": undefined,
+                                                        "type": "Literal",
+                                                        "value": 2,
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 46,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 39,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "operator": "-",
+                                                      "right": Node {
+                                                        "end": 323,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 46,
+                                                            "line": 14,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 45,
+                                                            "line": 14,
+                                                          },
+                                                        },
+                                                        "raw": "1",
+                                                        "start": 322,
+                                                        "type": "Literal",
+                                                        "value": 1,
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    Object {
+                                                      "loc": undefined,
+                                                      "type": "Literal",
+                                                      "value": 5,
+                                                    },
+                                                  ],
+                                                  "callee": Object {
+                                                    "body": Object {
+                                                      "body": Array [
+                                                        Object {
+                                                          "alternate": Object {
+                                                            "body": Array [
+                                                              Object {
+                                                                "alternate": Object {
+                                                                  "body": Array [
+                                                                    Object {
+                                                                      "argument": Object {
+                                                                        "left": Object {
+                                                                          "left": Node {
+                                                                            "end": 300,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 23,
+                                                                                "line": 14,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 19,
+                                                                                "line": 14,
+                                                                              },
+                                                                            },
+                                                                            "name": "base",
+                                                                            "start": 296,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 50,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "operator": "*",
+                                                                          "right": Object {
+                                                                            "arguments": Array [
+                                                                              Node {
+                                                                                "end": 314,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 37,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 33,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "name": "base",
+                                                                                "start": 310,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              Object {
+                                                                                "left": Node {
+                                                                                  "end": 319,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 42,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 39,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                  },
+                                                                                  "name": "exp",
+                                                                                  "start": 316,
+                                                                                  "type": "Identifier",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 46,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 39,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "operator": "-",
+                                                                                "right": Node {
+                                                                                  "end": 323,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 46,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 45,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                  },
+                                                                                  "raw": "1",
+                                                                                  "start": 322,
+                                                                                  "type": "Literal",
+                                                                                  "value": 1,
+                                                                                },
+                                                                                "type": "BinaryExpression",
+                                                                              },
+                                                                              Node {
+                                                                                "end": 326,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 49,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 48,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "name": "m",
+                                                                                "start": 325,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                            ],
+                                                                            "callee": [Circular],
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 50,
+                                                                                "line": 14,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 26,
+                                                                                "line": 14,
+                                                                              },
+                                                                            },
+                                                                            "type": "CallExpression",
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 54,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "operator": "%",
+                                                                        "right": Node {
+                                                                          "end": 331,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 54,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 53,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "name": "m",
+                                                                          "start": 330,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 55,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 12,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "type": "ReturnStatement",
+                                                                    },
+                                                                  ],
+                                                                  "type": "BlockStatement",
+                                                                },
+                                                                "consequent": Object {
+                                                                  "body": Array [
+                                                                    Object {
+                                                                      "declarations": Array [
+                                                                        Object {
+                                                                          "id": Node {
+                                                                            "end": 189,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 25,
+                                                                                "line": 11,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 18,
+                                                                                "line": 11,
+                                                                              },
+                                                                            },
+                                                                            "name": "to_half",
+                                                                            "start": 182,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "init": Object {
+                                                                            "arguments": Array [
+                                                                              Node {
+                                                                                "end": 203,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 39,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 35,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "name": "base",
+                                                                                "start": 199,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              Object {
+                                                                                "left": Node {
+                                                                                  "end": 208,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 44,
+                                                                                      "line": 11,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 41,
+                                                                                      "line": 11,
+                                                                                    },
+                                                                                  },
+                                                                                  "name": "exp",
+                                                                                  "start": 205,
+                                                                                  "type": "Identifier",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 48,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 41,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "operator": "/",
+                                                                                "right": Node {
+                                                                                  "end": 212,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 48,
+                                                                                      "line": 11,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 47,
+                                                                                      "line": 11,
+                                                                                    },
+                                                                                  },
+                                                                                  "raw": "2",
+                                                                                  "start": 211,
+                                                                                  "type": "Literal",
+                                                                                  "value": 2,
+                                                                                },
+                                                                                "type": "BinaryExpression",
+                                                                              },
+                                                                              Node {
+                                                                                "end": 215,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 51,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 50,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "name": "m",
+                                                                                "start": 214,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                            ],
+                                                                            "callee": [Circular],
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 52,
+                                                                                "line": 11,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 28,
+                                                                                "line": 11,
+                                                                              },
+                                                                            },
+                                                                            "type": "CallExpression",
+                                                                          },
+                                                                          "loc": undefined,
+                                                                          "type": "VariableDeclarator",
+                                                                        },
+                                                                      ],
+                                                                      "kind": "const",
+                                                                      "loc": undefined,
+                                                                      "type": "VariableDeclaration",
+                                                                    },
+                                                                    Object {
+                                                                      "argument": Object {
+                                                                        "left": Object {
+                                                                          "left": Node {
+                                                                            "end": 244,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 26,
+                                                                                "line": 12,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 19,
+                                                                                "line": 12,
+                                                                              },
+                                                                            },
+                                                                            "name": "to_half",
+                                                                            "start": 237,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 36,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "operator": "*",
+                                                                          "right": Node {
+                                                                            "end": 254,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 36,
+                                                                                "line": 12,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 29,
+                                                                                "line": 12,
+                                                                              },
+                                                                            },
+                                                                            "name": "to_half",
+                                                                            "start": 247,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 40,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "operator": "%",
+                                                                        "right": Node {
+                                                                          "end": 258,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 40,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 39,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "m",
+                                                                          "start": 257,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 41,
+                                                                          "line": 12,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 12,
+                                                                          "line": 12,
+                                                                        },
+                                                                      },
+                                                                      "type": "ReturnStatement",
+                                                                    },
+                                                                  ],
+                                                                  "type": "BlockStatement",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 9,
+                                                                    "line": 15,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 8,
+                                                                    "line": 10,
+                                                                  },
+                                                                },
+                                                                "test": Object {
+                                                                  "arguments": Array [
+                                                                    Node {
+                                                                      "end": 159,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 23,
+                                                                          "line": 10,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 20,
+                                                                          "line": 10,
+                                                                        },
+                                                                      },
+                                                                      "name": "exp",
+                                                                      "start": 156,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                  ],
+                                                                  "callee": Object {
+                                                                    "body": Object {
+                                                                      "body": Array [
+                                                                        Object {
+                                                                          "argument": Object {
+                                                                            "left": Object {
+                                                                              "left": Node {
+                                                                                "end": 37,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 12,
+                                                                                    "line": 3,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 11,
+                                                                                    "line": 3,
+                                                                                  },
+                                                                                },
+                                                                                "name": "n",
+                                                                                "start": 36,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "operator": "%",
+                                                                              "right": Node {
+                                                                                "end": 41,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 16,
+                                                                                    "line": 3,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 15,
+                                                                                    "line": 3,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "2",
+                                                                                "start": 40,
+                                                                                "type": "Literal",
+                                                                                "value": 2,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 22,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 11,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "operator": "===",
+                                                                            "right": Node {
+                                                                              "end": 47,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 22,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 21,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "raw": "0",
+                                                                              "start": 46,
+                                                                              "type": "Literal",
+                                                                              "value": 0,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 23,
+                                                                              "line": 3,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 4,
+                                                                              "line": 3,
+                                                                            },
+                                                                          },
+                                                                          "type": "ReturnStatement",
+                                                                        },
+                                                                      ],
+                                                                      "type": "BlockStatement",
+                                                                    },
+                                                                    "id": Node {
+                                                                      "end": 19,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 18,
+                                                                          "line": 2,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 11,
+                                                                          "line": 2,
+                                                                        },
+                                                                      },
+                                                                      "name": "is_even",
+                                                                      "start": 12,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    "loc": undefined,
+                                                                    "params": Array [
+                                                                      Node {
+                                                                        "end": 21,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 20,
+                                                                            "line": 2,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 2,
+                                                                          },
+                                                                        },
+                                                                        "name": "n",
+                                                                        "start": 20,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                    ],
+                                                                    "type": "FunctionExpression",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 24,
+                                                                      "line": 10,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 12,
+                                                                      "line": 10,
+                                                                    },
+                                                                  },
+                                                                  "type": "CallExpression",
+                                                                },
+                                                                "type": "IfStatement",
+                                                              },
+                                                            ],
+                                                            "type": "BlockStatement",
+                                                          },
+                                                          "consequent": Object {
+                                                            "body": Array [
+                                                              Object {
+                                                                "argument": Node {
+                                                                  "end": 121,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 16,
+                                                                      "line": 8,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 15,
+                                                                      "line": 8,
+                                                                    },
+                                                                  },
+                                                                  "raw": "1",
+                                                                  "start": 120,
+                                                                  "type": "Literal",
+                                                                  "value": 1,
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 17,
+                                                                    "line": 8,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 8,
+                                                                    "line": 8,
+                                                                  },
+                                                                },
+                                                                "type": "ReturnStatement",
+                                                              },
+                                                            ],
+                                                            "type": "BlockStatement",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 5,
+                                                              "line": 16,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 4,
+                                                              "line": 7,
+                                                            },
+                                                          },
+                                                          "test": Object {
+                                                            "left": Node {
+                                                              "end": 95,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 11,
+                                                                  "line": 7,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 7,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 92,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 17,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 8,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "operator": "===",
+                                                            "right": Node {
+                                                              "end": 101,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 17,
+                                                                  "line": 7,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 16,
+                                                                  "line": 7,
+                                                                },
+                                                              },
+                                                              "raw": "0",
+                                                              "start": 100,
+                                                              "type": "Literal",
+                                                              "value": 0,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          "type": "IfStatement",
+                                                        },
+                                                      ],
+                                                      "type": "BlockStatement",
+                                                    },
+                                                    "id": Node {
+                                                      "end": 67,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 15,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 9,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "expmod",
+                                                      "start": 61,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "loc": undefined,
+                                                    "params": Array [
+                                                      Node {
+                                                        "end": 72,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 20,
+                                                            "line": 6,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 16,
+                                                            "line": 6,
+                                                          },
+                                                        },
+                                                        "name": "base",
+                                                        "start": 68,
+                                                        "type": "Identifier",
+                                                      },
+                                                      Node {
+                                                        "end": 77,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 25,
+                                                            "line": 6,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 22,
+                                                            "line": 6,
+                                                          },
+                                                        },
+                                                        "name": "exp",
+                                                        "start": 74,
+                                                        "type": "Identifier",
+                                                      },
+                                                      Node {
+                                                        "end": 80,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 28,
+                                                            "line": 6,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 27,
+                                                            "line": 6,
+                                                          },
+                                                        },
+                                                        "name": "m",
+                                                        "start": 79,
+                                                        "type": "Identifier",
+                                                      },
+                                                    ],
+                                                    "type": "FunctionExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 50,
+                                                      "line": 14,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 26,
+                                                      "line": 14,
+                                                    },
+                                                  },
+                                                  "type": "CallExpression",
+                                                },
+                                                "type": "BinaryExpression",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 54,
+                                                  "line": 14,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 14,
+                                                },
+                                              },
+                                              "operator": "%",
+                                              "right": Object {
+                                                "loc": undefined,
+                                                "type": "Literal",
+                                                "value": 5,
+                                              },
+                                              "type": "BinaryExpression",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 55,
+                                                "line": 14,
+                                              },
+                                              "start": Position {
+                                                "column": 12,
+                                                "line": 14,
+                                              },
+                                            },
+                                            "type": "ReturnStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "consequent": Object {
+                                        "body": Array [
+                                          Object {
+                                            "declarations": Array [
+                                              Object {
+                                                "id": Node {
+                                                  "end": 189,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 25,
+                                                      "line": 11,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 18,
+                                                      "line": 11,
+                                                    },
+                                                  },
+                                                  "name": "to_half",
+                                                  "start": 182,
+                                                  "type": "Identifier",
+                                                },
+                                                "init": Object {
+                                                  "arguments": Array [
+                                                    Object {
+                                                      "loc": undefined,
+                                                      "type": "Literal",
+                                                      "value": 4,
+                                                    },
+                                                    Object {
+                                                      "left": Object {
+                                                        "loc": undefined,
+                                                        "type": "Literal",
+                                                        "value": 2,
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 48,
+                                                          "line": 11,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 41,
+                                                          "line": 11,
+                                                        },
+                                                      },
+                                                      "operator": "/",
+                                                      "right": Node {
+                                                        "end": 212,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 48,
+                                                            "line": 11,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 47,
+                                                            "line": 11,
+                                                          },
+                                                        },
+                                                        "raw": "2",
+                                                        "start": 211,
+                                                        "type": "Literal",
+                                                        "value": 2,
+                                                      },
+                                                      "type": "BinaryExpression",
+                                                    },
+                                                    Object {
+                                                      "loc": undefined,
+                                                      "type": "Literal",
+                                                      "value": 5,
+                                                    },
+                                                  ],
+                                                  "callee": Object {
+                                                    "body": Object {
+                                                      "body": Array [
+                                                        Object {
+                                                          "alternate": Object {
+                                                            "body": Array [
+                                                              Object {
+                                                                "alternate": Object {
+                                                                  "body": Array [
+                                                                    Object {
+                                                                      "argument": Object {
+                                                                        "left": Object {
+                                                                          "left": Node {
+                                                                            "end": 300,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 23,
+                                                                                "line": 14,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 19,
+                                                                                "line": 14,
+                                                                              },
+                                                                            },
+                                                                            "name": "base",
+                                                                            "start": 296,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 50,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "operator": "*",
+                                                                          "right": Object {
+                                                                            "arguments": Array [
+                                                                              Node {
+                                                                                "end": 314,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 37,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 33,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "name": "base",
+                                                                                "start": 310,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              Object {
+                                                                                "left": Node {
+                                                                                  "end": 319,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 42,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 39,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                  },
+                                                                                  "name": "exp",
+                                                                                  "start": 316,
+                                                                                  "type": "Identifier",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 46,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 39,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "operator": "-",
+                                                                                "right": Node {
+                                                                                  "end": 323,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 46,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 45,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                  },
+                                                                                  "raw": "1",
+                                                                                  "start": 322,
+                                                                                  "type": "Literal",
+                                                                                  "value": 1,
+                                                                                },
+                                                                                "type": "BinaryExpression",
+                                                                              },
+                                                                              Node {
+                                                                                "end": 326,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 49,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 48,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "name": "m",
+                                                                                "start": 325,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                            ],
+                                                                            "callee": [Circular],
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 50,
+                                                                                "line": 14,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 26,
+                                                                                "line": 14,
+                                                                              },
+                                                                            },
+                                                                            "type": "CallExpression",
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 54,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "operator": "%",
+                                                                        "right": Node {
+                                                                          "end": 331,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 54,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 53,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "name": "m",
+                                                                          "start": 330,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 55,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 12,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "type": "ReturnStatement",
+                                                                    },
+                                                                  ],
+                                                                  "type": "BlockStatement",
+                                                                },
+                                                                "consequent": Object {
+                                                                  "body": Array [
+                                                                    Object {
+                                                                      "declarations": Array [
+                                                                        Object {
+                                                                          "id": Node {
+                                                                            "end": 189,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 25,
+                                                                                "line": 11,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 18,
+                                                                                "line": 11,
+                                                                              },
+                                                                            },
+                                                                            "name": "to_half",
+                                                                            "start": 182,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "init": Object {
+                                                                            "arguments": Array [
+                                                                              Node {
+                                                                                "end": 203,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 39,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 35,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "name": "base",
+                                                                                "start": 199,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              Object {
+                                                                                "left": Node {
+                                                                                  "end": 208,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 44,
+                                                                                      "line": 11,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 41,
+                                                                                      "line": 11,
+                                                                                    },
+                                                                                  },
+                                                                                  "name": "exp",
+                                                                                  "start": 205,
+                                                                                  "type": "Identifier",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 48,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 41,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "operator": "/",
+                                                                                "right": Node {
+                                                                                  "end": 212,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 48,
+                                                                                      "line": 11,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 47,
+                                                                                      "line": 11,
+                                                                                    },
+                                                                                  },
+                                                                                  "raw": "2",
+                                                                                  "start": 211,
+                                                                                  "type": "Literal",
+                                                                                  "value": 2,
+                                                                                },
+                                                                                "type": "BinaryExpression",
+                                                                              },
+                                                                              Node {
+                                                                                "end": 215,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 51,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 50,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "name": "m",
+                                                                                "start": 214,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                            ],
+                                                                            "callee": [Circular],
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 52,
+                                                                                "line": 11,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 28,
+                                                                                "line": 11,
+                                                                              },
+                                                                            },
+                                                                            "type": "CallExpression",
+                                                                          },
+                                                                          "loc": undefined,
+                                                                          "type": "VariableDeclarator",
+                                                                        },
+                                                                      ],
+                                                                      "kind": "const",
+                                                                      "loc": undefined,
+                                                                      "type": "VariableDeclaration",
+                                                                    },
+                                                                    Object {
+                                                                      "argument": Object {
+                                                                        "left": Object {
+                                                                          "left": Node {
+                                                                            "end": 244,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 26,
+                                                                                "line": 12,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 19,
+                                                                                "line": 12,
+                                                                              },
+                                                                            },
+                                                                            "name": "to_half",
+                                                                            "start": 237,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 36,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "operator": "*",
+                                                                          "right": Node {
+                                                                            "end": 254,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 36,
+                                                                                "line": 12,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 29,
+                                                                                "line": 12,
+                                                                              },
+                                                                            },
+                                                                            "name": "to_half",
+                                                                            "start": 247,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 40,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "operator": "%",
+                                                                        "right": Node {
+                                                                          "end": 258,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 40,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 39,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "m",
+                                                                          "start": 257,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 41,
+                                                                          "line": 12,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 12,
+                                                                          "line": 12,
+                                                                        },
+                                                                      },
+                                                                      "type": "ReturnStatement",
+                                                                    },
+                                                                  ],
+                                                                  "type": "BlockStatement",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 9,
+                                                                    "line": 15,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 8,
+                                                                    "line": 10,
+                                                                  },
+                                                                },
+                                                                "test": Object {
+                                                                  "arguments": Array [
+                                                                    Node {
+                                                                      "end": 159,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 23,
+                                                                          "line": 10,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 20,
+                                                                          "line": 10,
+                                                                        },
+                                                                      },
+                                                                      "name": "exp",
+                                                                      "start": 156,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                  ],
+                                                                  "callee": Object {
+                                                                    "body": Object {
+                                                                      "body": Array [
+                                                                        Object {
+                                                                          "argument": Object {
+                                                                            "left": Object {
+                                                                              "left": Node {
+                                                                                "end": 37,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 12,
+                                                                                    "line": 3,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 11,
+                                                                                    "line": 3,
+                                                                                  },
+                                                                                },
+                                                                                "name": "n",
+                                                                                "start": 36,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "operator": "%",
+                                                                              "right": Node {
+                                                                                "end": 41,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 16,
+                                                                                    "line": 3,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 15,
+                                                                                    "line": 3,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "2",
+                                                                                "start": 40,
+                                                                                "type": "Literal",
+                                                                                "value": 2,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 22,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 11,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "operator": "===",
+                                                                            "right": Node {
+                                                                              "end": 47,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 22,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 21,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "raw": "0",
+                                                                              "start": 46,
+                                                                              "type": "Literal",
+                                                                              "value": 0,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 23,
+                                                                              "line": 3,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 4,
+                                                                              "line": 3,
+                                                                            },
+                                                                          },
+                                                                          "type": "ReturnStatement",
+                                                                        },
+                                                                      ],
+                                                                      "type": "BlockStatement",
+                                                                    },
+                                                                    "id": Node {
+                                                                      "end": 19,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 18,
+                                                                          "line": 2,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 11,
+                                                                          "line": 2,
+                                                                        },
+                                                                      },
+                                                                      "name": "is_even",
+                                                                      "start": 12,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    "loc": undefined,
+                                                                    "params": Array [
+                                                                      Node {
+                                                                        "end": 21,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 20,
+                                                                            "line": 2,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 2,
+                                                                          },
+                                                                        },
+                                                                        "name": "n",
+                                                                        "start": 20,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                    ],
+                                                                    "type": "FunctionExpression",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 24,
+                                                                      "line": 10,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 12,
+                                                                      "line": 10,
+                                                                    },
+                                                                  },
+                                                                  "type": "CallExpression",
+                                                                },
+                                                                "type": "IfStatement",
+                                                              },
+                                                            ],
+                                                            "type": "BlockStatement",
+                                                          },
+                                                          "consequent": Object {
+                                                            "body": Array [
+                                                              Object {
+                                                                "argument": Node {
+                                                                  "end": 121,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 16,
+                                                                      "line": 8,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 15,
+                                                                      "line": 8,
+                                                                    },
+                                                                  },
+                                                                  "raw": "1",
+                                                                  "start": 120,
+                                                                  "type": "Literal",
+                                                                  "value": 1,
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 17,
+                                                                    "line": 8,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 8,
+                                                                    "line": 8,
+                                                                  },
+                                                                },
+                                                                "type": "ReturnStatement",
+                                                              },
+                                                            ],
+                                                            "type": "BlockStatement",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 5,
+                                                              "line": 16,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 4,
+                                                              "line": 7,
+                                                            },
+                                                          },
+                                                          "test": Object {
+                                                            "left": Node {
+                                                              "end": 95,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 11,
+                                                                  "line": 7,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 7,
+                                                                },
+                                                              },
+                                                              "name": "exp",
+                                                              "start": 92,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 17,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 8,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "operator": "===",
+                                                            "right": Node {
+                                                              "end": 101,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 17,
+                                                                  "line": 7,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 16,
+                                                                  "line": 7,
+                                                                },
+                                                              },
+                                                              "raw": "0",
+                                                              "start": 100,
+                                                              "type": "Literal",
+                                                              "value": 0,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          "type": "IfStatement",
+                                                        },
+                                                      ],
+                                                      "type": "BlockStatement",
+                                                    },
+                                                    "id": Node {
+                                                      "end": 67,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 15,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 9,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "expmod",
+                                                      "start": 61,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "loc": undefined,
+                                                    "params": Array [
+                                                      Node {
+                                                        "end": 72,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 20,
+                                                            "line": 6,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 16,
+                                                            "line": 6,
+                                                          },
+                                                        },
+                                                        "name": "base",
+                                                        "start": 68,
+                                                        "type": "Identifier",
+                                                      },
+                                                      Node {
+                                                        "end": 77,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 25,
+                                                            "line": 6,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 22,
+                                                            "line": 6,
+                                                          },
+                                                        },
+                                                        "name": "exp",
+                                                        "start": 74,
+                                                        "type": "Identifier",
+                                                      },
+                                                      Node {
+                                                        "end": 80,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 28,
+                                                            "line": 6,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 27,
+                                                            "line": 6,
+                                                          },
+                                                        },
+                                                        "name": "m",
+                                                        "start": 79,
+                                                        "type": "Identifier",
+                                                      },
+                                                    ],
+                                                    "type": "FunctionExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 52,
+                                                      "line": 11,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 28,
+                                                      "line": 11,
+                                                    },
+                                                  },
+                                                  "type": "CallExpression",
+                                                },
+                                                "loc": undefined,
+                                                "type": "VariableDeclarator",
+                                              },
+                                            ],
+                                            "kind": "const",
+                                            "loc": undefined,
+                                            "type": "VariableDeclaration",
+                                          },
+                                          Object {
+                                            "argument": Object {
+                                              "left": Object {
+                                                "left": Node {
+                                                  "end": 244,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 26,
+                                                      "line": 12,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 19,
+                                                      "line": 12,
+                                                    },
+                                                  },
+                                                  "name": "to_half",
+                                                  "start": 237,
+                                                  "type": "Identifier",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 36,
+                                                    "line": 12,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 19,
+                                                    "line": 12,
+                                                  },
+                                                },
+                                                "operator": "*",
+                                                "right": Node {
+                                                  "end": 254,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 36,
+                                                      "line": 12,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 29,
+                                                      "line": 12,
+                                                    },
+                                                  },
+                                                  "name": "to_half",
+                                                  "start": 247,
+                                                  "type": "Identifier",
+                                                },
+                                                "type": "BinaryExpression",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 40,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "operator": "%",
+                                              "right": Object {
+                                                "loc": undefined,
+                                                "type": "Literal",
+                                                "value": 5,
+                                              },
+                                              "type": "BinaryExpression",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 41,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 12,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "type": "ReturnStatement",
+                                          },
+                                        ],
+                                        "type": "BlockStatement",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 9,
+                                          "line": 15,
+                                        },
+                                        "start": Position {
+                                          "column": 8,
+                                          "line": 10,
+                                        },
+                                      },
+                                      "test": Object {
+                                        "arguments": Array [
+                                          Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 2,
+                                          },
+                                        ],
+                                        "callee": Object {
+                                          "body": Object {
+                                            "body": Array [
+                                              Object {
+                                                "argument": Object {
+                                                  "left": Object {
+                                                    "left": Node {
+                                                      "end": 37,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 12,
+                                                          "line": 3,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 11,
+                                                          "line": 3,
+                                                        },
+                                                      },
+                                                      "name": "n",
+                                                      "start": 36,
+                                                      "type": "Identifier",
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 16,
+                                                        "line": 3,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 11,
+                                                        "line": 3,
+                                                      },
+                                                    },
+                                                    "operator": "%",
+                                                    "right": Node {
+                                                      "end": 41,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 16,
+                                                          "line": 3,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 15,
+                                                          "line": 3,
+                                                        },
+                                                      },
+                                                      "raw": "2",
+                                                      "start": 40,
+                                                      "type": "Literal",
+                                                      "value": 2,
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 22,
+                                                      "line": 3,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 11,
+                                                      "line": 3,
+                                                    },
+                                                  },
+                                                  "operator": "===",
+                                                  "right": Node {
+                                                    "end": 47,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 22,
+                                                        "line": 3,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 21,
+                                                        "line": 3,
+                                                      },
+                                                    },
+                                                    "raw": "0",
+                                                    "start": 46,
+                                                    "type": "Literal",
+                                                    "value": 0,
+                                                  },
+                                                  "type": "BinaryExpression",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 23,
+                                                    "line": 3,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 4,
+                                                    "line": 3,
+                                                  },
+                                                },
+                                                "type": "ReturnStatement",
+                                              },
+                                            ],
+                                            "type": "BlockStatement",
+                                          },
+                                          "id": Node {
+                                            "end": 19,
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 18,
+                                                "line": 2,
+                                              },
+                                              "start": Position {
+                                                "column": 11,
+                                                "line": 2,
+                                              },
+                                            },
+                                            "name": "is_even",
+                                            "start": 12,
+                                            "type": "Identifier",
+                                          },
+                                          "loc": undefined,
+                                          "params": Array [
+                                            Node {
+                                              "end": 21,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 20,
+                                                  "line": 2,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 2,
+                                                },
+                                              },
+                                              "name": "n",
+                                              "start": 20,
+                                              "type": "Identifier",
+                                            },
+                                          ],
+                                          "type": "FunctionExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 24,
+                                            "line": 10,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 10,
+                                          },
+                                        },
+                                        "type": "CallExpression",
+                                      },
+                                      "type": "IfStatement",
+                                    },
+                                  ],
+                                  "type": "BlockStatement",
+                                },
+                                "consequent": Object {
+                                  "body": Array [
+                                    Object {
+                                      "argument": Node {
+                                        "end": 121,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 16,
+                                            "line": 8,
+                                          },
+                                          "start": Position {
+                                            "column": 15,
+                                            "line": 8,
+                                          },
+                                        },
+                                        "raw": "1",
+                                        "start": 120,
+                                        "type": "Literal",
+                                        "value": 1,
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 17,
+                                          "line": 8,
+                                        },
+                                        "start": Position {
+                                          "column": 8,
+                                          "line": 8,
+                                        },
+                                      },
+                                      "type": "ReturnStatement",
+                                    },
+                                  ],
+                                  "type": "BlockStatement",
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 5,
+                                    "line": 16,
+                                  },
+                                  "start": Position {
+                                    "column": 4,
+                                    "line": 7,
+                                  },
+                                },
+                                "test": Node {
+                                  "end": 5,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 5,
+                                      "line": 1,
+                                    },
+                                    "start": Position {
+                                      "column": 0,
+                                      "line": 1,
+                                    },
+                                  },
+                                  "raw": "false",
+                                  "start": 0,
+                                  "type": "Literal",
+                                  "value": false,
+                                },
+                                "type": "IfStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "alternate": Object {
+                                      "body": Array [
+                                        Object {
+                                          "argument": Object {
+                                            "left": Object {
+                                              "left": Object {
+                                                "loc": undefined,
+                                                "type": "Literal",
+                                                "value": 4,
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 50,
+                                                  "line": 14,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 14,
+                                                },
+                                              },
+                                              "operator": "*",
+                                              "right": Object {
+                                                "arguments": Array [
+                                                  Object {
+                                                    "loc": undefined,
+                                                    "type": "Literal",
+                                                    "value": 4,
+                                                  },
+                                                  Object {
+                                                    "left": Object {
+                                                      "loc": undefined,
+                                                      "type": "Literal",
+                                                      "value": 2,
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 46,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 39,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "operator": "-",
+                                                    "right": Node {
+                                                      "end": 323,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 46,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 45,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "raw": "1",
+                                                      "start": 322,
+                                                      "type": "Literal",
+                                                      "value": 1,
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  Object {
+                                                    "loc": undefined,
+                                                    "type": "Literal",
+                                                    "value": 5,
+                                                  },
+                                                ],
+                                                "callee": Object {
+                                                  "body": Object {
+                                                    "body": Array [
+                                                      Object {
+                                                        "alternate": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "alternate": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "argument": Object {
+                                                                      "left": Object {
+                                                                        "left": Node {
+                                                                          "end": 300,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 23,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "name": "base",
+                                                                          "start": 296,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 50,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "operator": "*",
+                                                                        "right": Object {
+                                                                          "arguments": Array [
+                                                                            Node {
+                                                                              "end": 314,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 37,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 33,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "name": "base",
+                                                                              "start": 310,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            Object {
+                                                                              "left": Node {
+                                                                                "end": 319,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 42,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 39,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 316,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 46,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 39,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "operator": "-",
+                                                                              "right": Node {
+                                                                                "end": 323,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 46,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 45,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "1",
+                                                                                "start": 322,
+                                                                                "type": "Literal",
+                                                                                "value": 1,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            Node {
+                                                                              "end": 326,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 49,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 48,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "name": "m",
+                                                                              "start": 325,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                          ],
+                                                                          "callee": [Circular],
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 50,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 26,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "type": "CallExpression",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 54,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "operator": "%",
+                                                                      "right": Node {
+                                                                        "end": 331,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 54,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 53,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 330,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 55,
+                                                                        "line": 14,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 12,
+                                                                        "line": 14,
+                                                                      },
+                                                                    },
+                                                                    "type": "ReturnStatement",
+                                                                  },
+                                                                ],
+                                                                "type": "BlockStatement",
+                                                              },
+                                                              "consequent": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "declarations": Array [
+                                                                      Object {
+                                                                        "id": Node {
+                                                                          "end": 189,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 25,
+                                                                              "line": 11,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 18,
+                                                                              "line": 11,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 182,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "init": Object {
+                                                                          "arguments": Array [
+                                                                            Node {
+                                                                              "end": 203,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 39,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 35,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "name": "base",
+                                                                              "start": 199,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            Object {
+                                                                              "left": Node {
+                                                                                "end": 208,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 44,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 41,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 205,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 48,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 41,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "operator": "/",
+                                                                              "right": Node {
+                                                                                "end": 212,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 48,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 47,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "2",
+                                                                                "start": 211,
+                                                                                "type": "Literal",
+                                                                                "value": 2,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            Node {
+                                                                              "end": 215,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 51,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 50,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "name": "m",
+                                                                              "start": 214,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                          ],
+                                                                          "callee": [Circular],
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 52,
+                                                                              "line": 11,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 28,
+                                                                              "line": 11,
+                                                                            },
+                                                                          },
+                                                                          "type": "CallExpression",
+                                                                        },
+                                                                        "loc": undefined,
+                                                                        "type": "VariableDeclarator",
+                                                                      },
+                                                                    ],
+                                                                    "kind": "const",
+                                                                    "loc": undefined,
+                                                                    "type": "VariableDeclaration",
+                                                                  },
+                                                                  Object {
+                                                                    "argument": Object {
+                                                                      "left": Object {
+                                                                        "left": Node {
+                                                                          "end": 244,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 26,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 237,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 36,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "operator": "*",
+                                                                        "right": Node {
+                                                                          "end": 254,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 36,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 29,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 247,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 40,
+                                                                          "line": 12,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 12,
+                                                                        },
+                                                                      },
+                                                                      "operator": "%",
+                                                                      "right": Node {
+                                                                        "end": 258,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 40,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 39,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 257,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 41,
+                                                                        "line": 12,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 12,
+                                                                        "line": 12,
+                                                                      },
+                                                                    },
+                                                                    "type": "ReturnStatement",
+                                                                  },
+                                                                ],
+                                                                "type": "BlockStatement",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 9,
+                                                                  "line": 15,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 10,
+                                                                },
+                                                              },
+                                                              "test": Object {
+                                                                "arguments": Array [
+                                                                  Node {
+                                                                    "end": 159,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 23,
+                                                                        "line": 10,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 20,
+                                                                        "line": 10,
+                                                                      },
+                                                                    },
+                                                                    "name": "exp",
+                                                                    "start": 156,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                ],
+                                                                "callee": Object {
+                                                                  "body": Object {
+                                                                    "body": Array [
+                                                                      Object {
+                                                                        "argument": Object {
+                                                                          "left": Object {
+                                                                            "left": Node {
+                                                                              "end": 37,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 12,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "name": "n",
+                                                                              "start": 36,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 16,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 11,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "operator": "%",
+                                                                            "right": Node {
+                                                                              "end": 41,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 15,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "raw": "2",
+                                                                              "start": 40,
+                                                                              "type": "Literal",
+                                                                              "value": 2,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 22,
+                                                                              "line": 3,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 11,
+                                                                              "line": 3,
+                                                                            },
+                                                                          },
+                                                                          "operator": "===",
+                                                                          "right": Node {
+                                                                            "end": 47,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 22,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 21,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "raw": "0",
+                                                                            "start": 46,
+                                                                            "type": "Literal",
+                                                                            "value": 0,
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 23,
+                                                                            "line": 3,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 4,
+                                                                            "line": 3,
+                                                                          },
+                                                                        },
+                                                                        "type": "ReturnStatement",
+                                                                      },
+                                                                    ],
+                                                                    "type": "BlockStatement",
+                                                                  },
+                                                                  "id": Node {
+                                                                    "end": 19,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 18,
+                                                                        "line": 2,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 11,
+                                                                        "line": 2,
+                                                                      },
+                                                                    },
+                                                                    "name": "is_even",
+                                                                    "start": 12,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                  "loc": undefined,
+                                                                  "params": Array [
+                                                                    Node {
+                                                                      "end": 21,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 20,
+                                                                          "line": 2,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 2,
+                                                                        },
+                                                                      },
+                                                                      "name": "n",
+                                                                      "start": 20,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                  ],
+                                                                  "type": "FunctionExpression",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 24,
+                                                                    "line": 10,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 12,
+                                                                    "line": 10,
+                                                                  },
+                                                                },
+                                                                "type": "CallExpression",
+                                                              },
+                                                              "type": "IfStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "consequent": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "argument": Node {
+                                                                "end": 121,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 16,
+                                                                    "line": 8,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 15,
+                                                                    "line": 8,
+                                                                  },
+                                                                },
+                                                                "raw": "1",
+                                                                "start": 120,
+                                                                "type": "Literal",
+                                                                "value": 1,
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 17,
+                                                                  "line": 8,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 8,
+                                                                },
+                                                              },
+                                                              "type": "ReturnStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 5,
+                                                            "line": 16,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 4,
+                                                            "line": 7,
+                                                          },
+                                                        },
+                                                        "test": Object {
+                                                          "left": Node {
+                                                            "end": 95,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 11,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 8,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "name": "exp",
+                                                            "start": 92,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 17,
+                                                              "line": 7,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 8,
+                                                              "line": 7,
+                                                            },
+                                                          },
+                                                          "operator": "===",
+                                                          "right": Node {
+                                                            "end": 101,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 17,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 16,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "raw": "0",
+                                                            "start": 100,
+                                                            "type": "Literal",
+                                                            "value": 0,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "type": "IfStatement",
+                                                      },
+                                                    ],
+                                                    "type": "BlockStatement",
+                                                  },
+                                                  "id": Node {
+                                                    "end": 67,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 15,
+                                                        "line": 6,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 9,
+                                                        "line": 6,
+                                                      },
+                                                    },
+                                                    "name": "expmod",
+                                                    "start": 61,
+                                                    "type": "Identifier",
+                                                  },
+                                                  "loc": undefined,
+                                                  "params": Array [
+                                                    Node {
+                                                      "end": 72,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 20,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 16,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "base",
+                                                      "start": 68,
+                                                      "type": "Identifier",
+                                                    },
+                                                    Node {
+                                                      "end": 77,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 25,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 22,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "exp",
+                                                      "start": 74,
+                                                      "type": "Identifier",
+                                                    },
+                                                    Node {
+                                                      "end": 80,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 28,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 27,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 79,
+                                                      "type": "Identifier",
+                                                    },
+                                                  ],
+                                                  "type": "FunctionExpression",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 50,
+                                                    "line": 14,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 26,
+                                                    "line": 14,
+                                                  },
+                                                },
+                                                "type": "CallExpression",
+                                              },
+                                              "type": "BinaryExpression",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 54,
+                                                "line": 14,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 14,
+                                              },
+                                            },
+                                            "operator": "%",
+                                            "right": Object {
+                                              "loc": undefined,
+                                              "type": "Literal",
+                                              "value": 5,
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 55,
+                                              "line": 14,
+                                            },
+                                            "start": Position {
+                                              "column": 12,
+                                              "line": 14,
+                                            },
+                                          },
+                                          "type": "ReturnStatement",
+                                        },
+                                      ],
+                                      "type": "BlockStatement",
+                                    },
+                                    "consequent": Object {
+                                      "body": Array [
+                                        Object {
+                                          "declarations": Array [
+                                            Object {
+                                              "id": Node {
+                                                "end": 189,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 25,
+                                                    "line": 11,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 18,
+                                                    "line": 11,
+                                                  },
+                                                },
+                                                "name": "to_half",
+                                                "start": 182,
+                                                "type": "Identifier",
+                                              },
+                                              "init": Object {
+                                                "arguments": Array [
+                                                  Object {
+                                                    "loc": undefined,
+                                                    "type": "Literal",
+                                                    "value": 4,
+                                                  },
+                                                  Object {
+                                                    "left": Object {
+                                                      "loc": undefined,
+                                                      "type": "Literal",
+                                                      "value": 2,
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 48,
+                                                        "line": 11,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 41,
+                                                        "line": 11,
+                                                      },
+                                                    },
+                                                    "operator": "/",
+                                                    "right": Node {
+                                                      "end": 212,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 48,
+                                                          "line": 11,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 47,
+                                                          "line": 11,
+                                                        },
+                                                      },
+                                                      "raw": "2",
+                                                      "start": 211,
+                                                      "type": "Literal",
+                                                      "value": 2,
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  Object {
+                                                    "loc": undefined,
+                                                    "type": "Literal",
+                                                    "value": 5,
+                                                  },
+                                                ],
+                                                "callee": Object {
+                                                  "body": Object {
+                                                    "body": Array [
+                                                      Object {
+                                                        "alternate": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "alternate": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "argument": Object {
+                                                                      "left": Object {
+                                                                        "left": Node {
+                                                                          "end": 300,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 23,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "name": "base",
+                                                                          "start": 296,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 50,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "operator": "*",
+                                                                        "right": Object {
+                                                                          "arguments": Array [
+                                                                            Node {
+                                                                              "end": 314,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 37,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 33,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "name": "base",
+                                                                              "start": 310,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            Object {
+                                                                              "left": Node {
+                                                                                "end": 319,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 42,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 39,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 316,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 46,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 39,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "operator": "-",
+                                                                              "right": Node {
+                                                                                "end": 323,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 46,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 45,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "1",
+                                                                                "start": 322,
+                                                                                "type": "Literal",
+                                                                                "value": 1,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            Node {
+                                                                              "end": 326,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 49,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 48,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "name": "m",
+                                                                              "start": 325,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                          ],
+                                                                          "callee": [Circular],
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 50,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 26,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "type": "CallExpression",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 54,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "operator": "%",
+                                                                      "right": Node {
+                                                                        "end": 331,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 54,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 53,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 330,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 55,
+                                                                        "line": 14,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 12,
+                                                                        "line": 14,
+                                                                      },
+                                                                    },
+                                                                    "type": "ReturnStatement",
+                                                                  },
+                                                                ],
+                                                                "type": "BlockStatement",
+                                                              },
+                                                              "consequent": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "declarations": Array [
+                                                                      Object {
+                                                                        "id": Node {
+                                                                          "end": 189,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 25,
+                                                                              "line": 11,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 18,
+                                                                              "line": 11,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 182,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "init": Object {
+                                                                          "arguments": Array [
+                                                                            Node {
+                                                                              "end": 203,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 39,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 35,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "name": "base",
+                                                                              "start": 199,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            Object {
+                                                                              "left": Node {
+                                                                                "end": 208,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 44,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 41,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 205,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 48,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 41,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "operator": "/",
+                                                                              "right": Node {
+                                                                                "end": 212,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 48,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 47,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "2",
+                                                                                "start": 211,
+                                                                                "type": "Literal",
+                                                                                "value": 2,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            Node {
+                                                                              "end": 215,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 51,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 50,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "name": "m",
+                                                                              "start": 214,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                          ],
+                                                                          "callee": [Circular],
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 52,
+                                                                              "line": 11,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 28,
+                                                                              "line": 11,
+                                                                            },
+                                                                          },
+                                                                          "type": "CallExpression",
+                                                                        },
+                                                                        "loc": undefined,
+                                                                        "type": "VariableDeclarator",
+                                                                      },
+                                                                    ],
+                                                                    "kind": "const",
+                                                                    "loc": undefined,
+                                                                    "type": "VariableDeclaration",
+                                                                  },
+                                                                  Object {
+                                                                    "argument": Object {
+                                                                      "left": Object {
+                                                                        "left": Node {
+                                                                          "end": 244,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 26,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 237,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 36,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "operator": "*",
+                                                                        "right": Node {
+                                                                          "end": 254,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 36,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 29,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 247,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 40,
+                                                                          "line": 12,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 12,
+                                                                        },
+                                                                      },
+                                                                      "operator": "%",
+                                                                      "right": Node {
+                                                                        "end": 258,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 40,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 39,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 257,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 41,
+                                                                        "line": 12,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 12,
+                                                                        "line": 12,
+                                                                      },
+                                                                    },
+                                                                    "type": "ReturnStatement",
+                                                                  },
+                                                                ],
+                                                                "type": "BlockStatement",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 9,
+                                                                  "line": 15,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 10,
+                                                                },
+                                                              },
+                                                              "test": Object {
+                                                                "arguments": Array [
+                                                                  Node {
+                                                                    "end": 159,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 23,
+                                                                        "line": 10,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 20,
+                                                                        "line": 10,
+                                                                      },
+                                                                    },
+                                                                    "name": "exp",
+                                                                    "start": 156,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                ],
+                                                                "callee": Object {
+                                                                  "body": Object {
+                                                                    "body": Array [
+                                                                      Object {
+                                                                        "argument": Object {
+                                                                          "left": Object {
+                                                                            "left": Node {
+                                                                              "end": 37,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 12,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "name": "n",
+                                                                              "start": 36,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 16,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 11,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "operator": "%",
+                                                                            "right": Node {
+                                                                              "end": 41,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 15,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "raw": "2",
+                                                                              "start": 40,
+                                                                              "type": "Literal",
+                                                                              "value": 2,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 22,
+                                                                              "line": 3,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 11,
+                                                                              "line": 3,
+                                                                            },
+                                                                          },
+                                                                          "operator": "===",
+                                                                          "right": Node {
+                                                                            "end": 47,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 22,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 21,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "raw": "0",
+                                                                            "start": 46,
+                                                                            "type": "Literal",
+                                                                            "value": 0,
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 23,
+                                                                            "line": 3,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 4,
+                                                                            "line": 3,
+                                                                          },
+                                                                        },
+                                                                        "type": "ReturnStatement",
+                                                                      },
+                                                                    ],
+                                                                    "type": "BlockStatement",
+                                                                  },
+                                                                  "id": Node {
+                                                                    "end": 19,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 18,
+                                                                        "line": 2,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 11,
+                                                                        "line": 2,
+                                                                      },
+                                                                    },
+                                                                    "name": "is_even",
+                                                                    "start": 12,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                  "loc": undefined,
+                                                                  "params": Array [
+                                                                    Node {
+                                                                      "end": 21,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 20,
+                                                                          "line": 2,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 2,
+                                                                        },
+                                                                      },
+                                                                      "name": "n",
+                                                                      "start": 20,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                  ],
+                                                                  "type": "FunctionExpression",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 24,
+                                                                    "line": 10,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 12,
+                                                                    "line": 10,
+                                                                  },
+                                                                },
+                                                                "type": "CallExpression",
+                                                              },
+                                                              "type": "IfStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "consequent": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "argument": Node {
+                                                                "end": 121,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 16,
+                                                                    "line": 8,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 15,
+                                                                    "line": 8,
+                                                                  },
+                                                                },
+                                                                "raw": "1",
+                                                                "start": 120,
+                                                                "type": "Literal",
+                                                                "value": 1,
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 17,
+                                                                  "line": 8,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 8,
+                                                                },
+                                                              },
+                                                              "type": "ReturnStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 5,
+                                                            "line": 16,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 4,
+                                                            "line": 7,
+                                                          },
+                                                        },
+                                                        "test": Object {
+                                                          "left": Node {
+                                                            "end": 95,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 11,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 8,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "name": "exp",
+                                                            "start": 92,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 17,
+                                                              "line": 7,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 8,
+                                                              "line": 7,
+                                                            },
+                                                          },
+                                                          "operator": "===",
+                                                          "right": Node {
+                                                            "end": 101,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 17,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 16,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "raw": "0",
+                                                            "start": 100,
+                                                            "type": "Literal",
+                                                            "value": 0,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "type": "IfStatement",
+                                                      },
+                                                    ],
+                                                    "type": "BlockStatement",
+                                                  },
+                                                  "id": Node {
+                                                    "end": 67,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 15,
+                                                        "line": 6,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 9,
+                                                        "line": 6,
+                                                      },
+                                                    },
+                                                    "name": "expmod",
+                                                    "start": 61,
+                                                    "type": "Identifier",
+                                                  },
+                                                  "loc": undefined,
+                                                  "params": Array [
+                                                    Node {
+                                                      "end": 72,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 20,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 16,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "base",
+                                                      "start": 68,
+                                                      "type": "Identifier",
+                                                    },
+                                                    Node {
+                                                      "end": 77,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 25,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 22,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "exp",
+                                                      "start": 74,
+                                                      "type": "Identifier",
+                                                    },
+                                                    Node {
+                                                      "end": 80,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 28,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 27,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 79,
+                                                      "type": "Identifier",
+                                                    },
+                                                  ],
+                                                  "type": "FunctionExpression",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 52,
+                                                    "line": 11,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 28,
+                                                    "line": 11,
+                                                  },
+                                                },
+                                                "type": "CallExpression",
+                                              },
+                                              "loc": undefined,
+                                              "type": "VariableDeclarator",
+                                            },
+                                          ],
+                                          "kind": "const",
+                                          "loc": undefined,
+                                          "type": "VariableDeclaration",
+                                        },
+                                        Object {
+                                          "argument": Object {
+                                            "left": Object {
+                                              "left": Node {
+                                                "end": 244,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 26,
+                                                    "line": 12,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 19,
+                                                    "line": 12,
+                                                  },
+                                                },
+                                                "name": "to_half",
+                                                "start": 237,
+                                                "type": "Identifier",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "operator": "*",
+                                              "right": Node {
+                                                "end": 254,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 36,
+                                                    "line": 12,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 29,
+                                                    "line": 12,
+                                                  },
+                                                },
+                                                "name": "to_half",
+                                                "start": 247,
+                                                "type": "Identifier",
+                                              },
+                                              "type": "BinaryExpression",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 40,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "%",
+                                            "right": Object {
+                                              "loc": undefined,
+                                              "type": "Literal",
+                                              "value": 5,
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 41,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 12,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "type": "ReturnStatement",
+                                        },
+                                      ],
+                                      "type": "BlockStatement",
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 9,
+                                        "line": 15,
+                                      },
+                                      "start": Position {
+                                        "column": 8,
+                                        "line": 10,
+                                      },
+                                    },
+                                    "test": Object {
+                                      "arguments": Array [
+                                        Object {
+                                          "loc": undefined,
+                                          "type": "Literal",
+                                          "value": 2,
+                                        },
+                                      ],
+                                      "callee": Object {
+                                        "body": Object {
+                                          "body": Array [
+                                            Object {
+                                              "argument": Object {
+                                                "left": Object {
+                                                  "left": Node {
+                                                    "end": 37,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 12,
+                                                        "line": 3,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 11,
+                                                        "line": 3,
+                                                      },
+                                                    },
+                                                    "name": "n",
+                                                    "start": 36,
+                                                    "type": "Identifier",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 16,
+                                                      "line": 3,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 11,
+                                                      "line": 3,
+                                                    },
+                                                  },
+                                                  "operator": "%",
+                                                  "right": Node {
+                                                    "end": 41,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 16,
+                                                        "line": 3,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 15,
+                                                        "line": 3,
+                                                      },
+                                                    },
+                                                    "raw": "2",
+                                                    "start": 40,
+                                                    "type": "Literal",
+                                                    "value": 2,
+                                                  },
+                                                  "type": "BinaryExpression",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 22,
+                                                    "line": 3,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 11,
+                                                    "line": 3,
+                                                  },
+                                                },
+                                                "operator": "===",
+                                                "right": Node {
+                                                  "end": 47,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 22,
+                                                      "line": 3,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 21,
+                                                      "line": 3,
+                                                    },
+                                                  },
+                                                  "raw": "0",
+                                                  "start": 46,
+                                                  "type": "Literal",
+                                                  "value": 0,
+                                                },
+                                                "type": "BinaryExpression",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 23,
+                                                  "line": 3,
+                                                },
+                                                "start": Position {
+                                                  "column": 4,
+                                                  "line": 3,
+                                                },
+                                              },
+                                              "type": "ReturnStatement",
+                                            },
+                                          ],
+                                          "type": "BlockStatement",
+                                        },
+                                        "id": Node {
+                                          "end": 19,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 18,
+                                              "line": 2,
+                                            },
+                                            "start": Position {
+                                              "column": 11,
+                                              "line": 2,
+                                            },
+                                          },
+                                          "name": "is_even",
+                                          "start": 12,
+                                          "type": "Identifier",
+                                        },
+                                        "loc": undefined,
+                                        "params": Array [
+                                          Node {
+                                            "end": 21,
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 20,
+                                                "line": 2,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 2,
+                                              },
+                                            },
+                                            "name": "n",
+                                            "start": 20,
+                                            "type": "Identifier",
+                                          },
+                                        ],
+                                        "type": "FunctionExpression",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 24,
+                                          "line": 10,
+                                        },
+                                        "start": Position {
+                                          "column": 12,
+                                          "line": 10,
+                                        },
+                                      },
+                                      "type": "CallExpression",
+                                    },
+                                    "type": "IfStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "alternate": Object {
+                                      "body": Array [
+                                        Object {
+                                          "argument": Object {
+                                            "left": Object {
+                                              "left": Object {
+                                                "loc": undefined,
+                                                "type": "Literal",
+                                                "value": 4,
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 50,
+                                                  "line": 14,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 14,
+                                                },
+                                              },
+                                              "operator": "*",
+                                              "right": Object {
+                                                "arguments": Array [
+                                                  Object {
+                                                    "loc": undefined,
+                                                    "type": "Literal",
+                                                    "value": 4,
+                                                  },
+                                                  Object {
+                                                    "left": Object {
+                                                      "loc": undefined,
+                                                      "type": "Literal",
+                                                      "value": 2,
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 46,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 39,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "operator": "-",
+                                                    "right": Node {
+                                                      "end": 323,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 46,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 45,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "raw": "1",
+                                                      "start": 322,
+                                                      "type": "Literal",
+                                                      "value": 1,
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  Object {
+                                                    "loc": undefined,
+                                                    "type": "Literal",
+                                                    "value": 5,
+                                                  },
+                                                ],
+                                                "callee": Object {
+                                                  "body": Object {
+                                                    "body": Array [
+                                                      Object {
+                                                        "alternate": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "alternate": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "argument": Object {
+                                                                      "left": Object {
+                                                                        "left": Node {
+                                                                          "end": 300,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 23,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "name": "base",
+                                                                          "start": 296,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 50,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "operator": "*",
+                                                                        "right": Object {
+                                                                          "arguments": Array [
+                                                                            Node {
+                                                                              "end": 314,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 37,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 33,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "name": "base",
+                                                                              "start": 310,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            Object {
+                                                                              "left": Node {
+                                                                                "end": 319,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 42,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 39,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 316,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 46,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 39,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "operator": "-",
+                                                                              "right": Node {
+                                                                                "end": 323,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 46,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 45,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "1",
+                                                                                "start": 322,
+                                                                                "type": "Literal",
+                                                                                "value": 1,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            Node {
+                                                                              "end": 326,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 49,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 48,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "name": "m",
+                                                                              "start": 325,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                          ],
+                                                                          "callee": [Circular],
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 50,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 26,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "type": "CallExpression",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 54,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "operator": "%",
+                                                                      "right": Node {
+                                                                        "end": 331,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 54,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 53,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 330,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 55,
+                                                                        "line": 14,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 12,
+                                                                        "line": 14,
+                                                                      },
+                                                                    },
+                                                                    "type": "ReturnStatement",
+                                                                  },
+                                                                ],
+                                                                "type": "BlockStatement",
+                                                              },
+                                                              "consequent": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "declarations": Array [
+                                                                      Object {
+                                                                        "id": Node {
+                                                                          "end": 189,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 25,
+                                                                              "line": 11,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 18,
+                                                                              "line": 11,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 182,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "init": Object {
+                                                                          "arguments": Array [
+                                                                            Node {
+                                                                              "end": 203,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 39,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 35,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "name": "base",
+                                                                              "start": 199,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            Object {
+                                                                              "left": Node {
+                                                                                "end": 208,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 44,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 41,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 205,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 48,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 41,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "operator": "/",
+                                                                              "right": Node {
+                                                                                "end": 212,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 48,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 47,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "2",
+                                                                                "start": 211,
+                                                                                "type": "Literal",
+                                                                                "value": 2,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            Node {
+                                                                              "end": 215,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 51,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 50,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "name": "m",
+                                                                              "start": 214,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                          ],
+                                                                          "callee": [Circular],
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 52,
+                                                                              "line": 11,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 28,
+                                                                              "line": 11,
+                                                                            },
+                                                                          },
+                                                                          "type": "CallExpression",
+                                                                        },
+                                                                        "loc": undefined,
+                                                                        "type": "VariableDeclarator",
+                                                                      },
+                                                                    ],
+                                                                    "kind": "const",
+                                                                    "loc": undefined,
+                                                                    "type": "VariableDeclaration",
+                                                                  },
+                                                                  Object {
+                                                                    "argument": Object {
+                                                                      "left": Object {
+                                                                        "left": Node {
+                                                                          "end": 244,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 26,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 237,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 36,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "operator": "*",
+                                                                        "right": Node {
+                                                                          "end": 254,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 36,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 29,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 247,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 40,
+                                                                          "line": 12,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 12,
+                                                                        },
+                                                                      },
+                                                                      "operator": "%",
+                                                                      "right": Node {
+                                                                        "end": 258,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 40,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 39,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 257,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 41,
+                                                                        "line": 12,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 12,
+                                                                        "line": 12,
+                                                                      },
+                                                                    },
+                                                                    "type": "ReturnStatement",
+                                                                  },
+                                                                ],
+                                                                "type": "BlockStatement",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 9,
+                                                                  "line": 15,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 10,
+                                                                },
+                                                              },
+                                                              "test": Object {
+                                                                "arguments": Array [
+                                                                  Node {
+                                                                    "end": 159,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 23,
+                                                                        "line": 10,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 20,
+                                                                        "line": 10,
+                                                                      },
+                                                                    },
+                                                                    "name": "exp",
+                                                                    "start": 156,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                ],
+                                                                "callee": Object {
+                                                                  "body": Object {
+                                                                    "body": Array [
+                                                                      Object {
+                                                                        "argument": Object {
+                                                                          "left": Object {
+                                                                            "left": Node {
+                                                                              "end": 37,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 12,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "name": "n",
+                                                                              "start": 36,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 16,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 11,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "operator": "%",
+                                                                            "right": Node {
+                                                                              "end": 41,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 15,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "raw": "2",
+                                                                              "start": 40,
+                                                                              "type": "Literal",
+                                                                              "value": 2,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 22,
+                                                                              "line": 3,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 11,
+                                                                              "line": 3,
+                                                                            },
+                                                                          },
+                                                                          "operator": "===",
+                                                                          "right": Node {
+                                                                            "end": 47,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 22,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 21,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "raw": "0",
+                                                                            "start": 46,
+                                                                            "type": "Literal",
+                                                                            "value": 0,
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 23,
+                                                                            "line": 3,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 4,
+                                                                            "line": 3,
+                                                                          },
+                                                                        },
+                                                                        "type": "ReturnStatement",
+                                                                      },
+                                                                    ],
+                                                                    "type": "BlockStatement",
+                                                                  },
+                                                                  "id": Node {
+                                                                    "end": 19,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 18,
+                                                                        "line": 2,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 11,
+                                                                        "line": 2,
+                                                                      },
+                                                                    },
+                                                                    "name": "is_even",
+                                                                    "start": 12,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                  "loc": undefined,
+                                                                  "params": Array [
+                                                                    Node {
+                                                                      "end": 21,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 20,
+                                                                          "line": 2,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 2,
+                                                                        },
+                                                                      },
+                                                                      "name": "n",
+                                                                      "start": 20,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                  ],
+                                                                  "type": "FunctionExpression",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 24,
+                                                                    "line": 10,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 12,
+                                                                    "line": 10,
+                                                                  },
+                                                                },
+                                                                "type": "CallExpression",
+                                                              },
+                                                              "type": "IfStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "consequent": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "argument": Node {
+                                                                "end": 121,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 16,
+                                                                    "line": 8,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 15,
+                                                                    "line": 8,
+                                                                  },
+                                                                },
+                                                                "raw": "1",
+                                                                "start": 120,
+                                                                "type": "Literal",
+                                                                "value": 1,
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 17,
+                                                                  "line": 8,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 8,
+                                                                },
+                                                              },
+                                                              "type": "ReturnStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 5,
+                                                            "line": 16,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 4,
+                                                            "line": 7,
+                                                          },
+                                                        },
+                                                        "test": Object {
+                                                          "left": Node {
+                                                            "end": 95,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 11,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 8,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "name": "exp",
+                                                            "start": 92,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 17,
+                                                              "line": 7,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 8,
+                                                              "line": 7,
+                                                            },
+                                                          },
+                                                          "operator": "===",
+                                                          "right": Node {
+                                                            "end": 101,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 17,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 16,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "raw": "0",
+                                                            "start": 100,
+                                                            "type": "Literal",
+                                                            "value": 0,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "type": "IfStatement",
+                                                      },
+                                                    ],
+                                                    "type": "BlockStatement",
+                                                  },
+                                                  "id": Node {
+                                                    "end": 67,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 15,
+                                                        "line": 6,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 9,
+                                                        "line": 6,
+                                                      },
+                                                    },
+                                                    "name": "expmod",
+                                                    "start": 61,
+                                                    "type": "Identifier",
+                                                  },
+                                                  "loc": undefined,
+                                                  "params": Array [
+                                                    Node {
+                                                      "end": 72,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 20,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 16,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "base",
+                                                      "start": 68,
+                                                      "type": "Identifier",
+                                                    },
+                                                    Node {
+                                                      "end": 77,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 25,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 22,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "exp",
+                                                      "start": 74,
+                                                      "type": "Identifier",
+                                                    },
+                                                    Node {
+                                                      "end": 80,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 28,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 27,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 79,
+                                                      "type": "Identifier",
+                                                    },
+                                                  ],
+                                                  "type": "FunctionExpression",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 50,
+                                                    "line": 14,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 26,
+                                                    "line": 14,
+                                                  },
+                                                },
+                                                "type": "CallExpression",
+                                              },
+                                              "type": "BinaryExpression",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 54,
+                                                "line": 14,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 14,
+                                              },
+                                            },
+                                            "operator": "%",
+                                            "right": Object {
+                                              "loc": undefined,
+                                              "type": "Literal",
+                                              "value": 5,
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 55,
+                                              "line": 14,
+                                            },
+                                            "start": Position {
+                                              "column": 12,
+                                              "line": 14,
+                                            },
+                                          },
+                                          "type": "ReturnStatement",
+                                        },
+                                      ],
+                                      "type": "BlockStatement",
+                                    },
+                                    "consequent": Object {
+                                      "body": Array [
+                                        Object {
+                                          "declarations": Array [
+                                            Object {
+                                              "id": Node {
+                                                "end": 189,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 25,
+                                                    "line": 11,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 18,
+                                                    "line": 11,
+                                                  },
+                                                },
+                                                "name": "to_half",
+                                                "start": 182,
+                                                "type": "Identifier",
+                                              },
+                                              "init": Object {
+                                                "arguments": Array [
+                                                  Object {
+                                                    "loc": undefined,
+                                                    "type": "Literal",
+                                                    "value": 4,
+                                                  },
+                                                  Object {
+                                                    "left": Object {
+                                                      "loc": undefined,
+                                                      "type": "Literal",
+                                                      "value": 2,
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 48,
+                                                        "line": 11,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 41,
+                                                        "line": 11,
+                                                      },
+                                                    },
+                                                    "operator": "/",
+                                                    "right": Node {
+                                                      "end": 212,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 48,
+                                                          "line": 11,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 47,
+                                                          "line": 11,
+                                                        },
+                                                      },
+                                                      "raw": "2",
+                                                      "start": 211,
+                                                      "type": "Literal",
+                                                      "value": 2,
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  Object {
+                                                    "loc": undefined,
+                                                    "type": "Literal",
+                                                    "value": 5,
+                                                  },
+                                                ],
+                                                "callee": Object {
+                                                  "body": Object {
+                                                    "body": Array [
+                                                      Object {
+                                                        "alternate": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "alternate": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "argument": Object {
+                                                                      "left": Object {
+                                                                        "left": Node {
+                                                                          "end": 300,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 23,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "name": "base",
+                                                                          "start": 296,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 50,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "operator": "*",
+                                                                        "right": Object {
+                                                                          "arguments": Array [
+                                                                            Node {
+                                                                              "end": 314,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 37,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 33,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "name": "base",
+                                                                              "start": 310,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            Object {
+                                                                              "left": Node {
+                                                                                "end": 319,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 42,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 39,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 316,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 46,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 39,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "operator": "-",
+                                                                              "right": Node {
+                                                                                "end": 323,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 46,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 45,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "1",
+                                                                                "start": 322,
+                                                                                "type": "Literal",
+                                                                                "value": 1,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            Node {
+                                                                              "end": 326,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 49,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 48,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "name": "m",
+                                                                              "start": 325,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                          ],
+                                                                          "callee": [Circular],
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 50,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 26,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "type": "CallExpression",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 54,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "operator": "%",
+                                                                      "right": Node {
+                                                                        "end": 331,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 54,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 53,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 330,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 55,
+                                                                        "line": 14,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 12,
+                                                                        "line": 14,
+                                                                      },
+                                                                    },
+                                                                    "type": "ReturnStatement",
+                                                                  },
+                                                                ],
+                                                                "type": "BlockStatement",
+                                                              },
+                                                              "consequent": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "declarations": Array [
+                                                                      Object {
+                                                                        "id": Node {
+                                                                          "end": 189,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 25,
+                                                                              "line": 11,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 18,
+                                                                              "line": 11,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 182,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "init": Object {
+                                                                          "arguments": Array [
+                                                                            Node {
+                                                                              "end": 203,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 39,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 35,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "name": "base",
+                                                                              "start": 199,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            Object {
+                                                                              "left": Node {
+                                                                                "end": 208,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 44,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 41,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 205,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 48,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 41,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "operator": "/",
+                                                                              "right": Node {
+                                                                                "end": 212,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 48,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 47,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "2",
+                                                                                "start": 211,
+                                                                                "type": "Literal",
+                                                                                "value": 2,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            Node {
+                                                                              "end": 215,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 51,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 50,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "name": "m",
+                                                                              "start": 214,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                          ],
+                                                                          "callee": [Circular],
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 52,
+                                                                              "line": 11,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 28,
+                                                                              "line": 11,
+                                                                            },
+                                                                          },
+                                                                          "type": "CallExpression",
+                                                                        },
+                                                                        "loc": undefined,
+                                                                        "type": "VariableDeclarator",
+                                                                      },
+                                                                    ],
+                                                                    "kind": "const",
+                                                                    "loc": undefined,
+                                                                    "type": "VariableDeclaration",
+                                                                  },
+                                                                  Object {
+                                                                    "argument": Object {
+                                                                      "left": Object {
+                                                                        "left": Node {
+                                                                          "end": 244,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 26,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 237,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 36,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "operator": "*",
+                                                                        "right": Node {
+                                                                          "end": 254,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 36,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 29,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 247,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 40,
+                                                                          "line": 12,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 12,
+                                                                        },
+                                                                      },
+                                                                      "operator": "%",
+                                                                      "right": Node {
+                                                                        "end": 258,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 40,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 39,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 257,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 41,
+                                                                        "line": 12,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 12,
+                                                                        "line": 12,
+                                                                      },
+                                                                    },
+                                                                    "type": "ReturnStatement",
+                                                                  },
+                                                                ],
+                                                                "type": "BlockStatement",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 9,
+                                                                  "line": 15,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 10,
+                                                                },
+                                                              },
+                                                              "test": Object {
+                                                                "arguments": Array [
+                                                                  Node {
+                                                                    "end": 159,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 23,
+                                                                        "line": 10,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 20,
+                                                                        "line": 10,
+                                                                      },
+                                                                    },
+                                                                    "name": "exp",
+                                                                    "start": 156,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                ],
+                                                                "callee": Object {
+                                                                  "body": Object {
+                                                                    "body": Array [
+                                                                      Object {
+                                                                        "argument": Object {
+                                                                          "left": Object {
+                                                                            "left": Node {
+                                                                              "end": 37,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 12,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "name": "n",
+                                                                              "start": 36,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 16,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 11,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "operator": "%",
+                                                                            "right": Node {
+                                                                              "end": 41,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 15,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "raw": "2",
+                                                                              "start": 40,
+                                                                              "type": "Literal",
+                                                                              "value": 2,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 22,
+                                                                              "line": 3,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 11,
+                                                                              "line": 3,
+                                                                            },
+                                                                          },
+                                                                          "operator": "===",
+                                                                          "right": Node {
+                                                                            "end": 47,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 22,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 21,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "raw": "0",
+                                                                            "start": 46,
+                                                                            "type": "Literal",
+                                                                            "value": 0,
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 23,
+                                                                            "line": 3,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 4,
+                                                                            "line": 3,
+                                                                          },
+                                                                        },
+                                                                        "type": "ReturnStatement",
+                                                                      },
+                                                                    ],
+                                                                    "type": "BlockStatement",
+                                                                  },
+                                                                  "id": Node {
+                                                                    "end": 19,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 18,
+                                                                        "line": 2,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 11,
+                                                                        "line": 2,
+                                                                      },
+                                                                    },
+                                                                    "name": "is_even",
+                                                                    "start": 12,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                  "loc": undefined,
+                                                                  "params": Array [
+                                                                    Node {
+                                                                      "end": 21,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 20,
+                                                                          "line": 2,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 2,
+                                                                        },
+                                                                      },
+                                                                      "name": "n",
+                                                                      "start": 20,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                  ],
+                                                                  "type": "FunctionExpression",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 24,
+                                                                    "line": 10,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 12,
+                                                                    "line": 10,
+                                                                  },
+                                                                },
+                                                                "type": "CallExpression",
+                                                              },
+                                                              "type": "IfStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "consequent": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "argument": Node {
+                                                                "end": 121,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 16,
+                                                                    "line": 8,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 15,
+                                                                    "line": 8,
+                                                                  },
+                                                                },
+                                                                "raw": "1",
+                                                                "start": 120,
+                                                                "type": "Literal",
+                                                                "value": 1,
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 17,
+                                                                  "line": 8,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 8,
+                                                                },
+                                                              },
+                                                              "type": "ReturnStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 5,
+                                                            "line": 16,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 4,
+                                                            "line": 7,
+                                                          },
+                                                        },
+                                                        "test": Object {
+                                                          "left": Node {
+                                                            "end": 95,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 11,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 8,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "name": "exp",
+                                                            "start": 92,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 17,
+                                                              "line": 7,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 8,
+                                                              "line": 7,
+                                                            },
+                                                          },
+                                                          "operator": "===",
+                                                          "right": Node {
+                                                            "end": 101,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 17,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 16,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "raw": "0",
+                                                            "start": 100,
+                                                            "type": "Literal",
+                                                            "value": 0,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "type": "IfStatement",
+                                                      },
+                                                    ],
+                                                    "type": "BlockStatement",
+                                                  },
+                                                  "id": Node {
+                                                    "end": 67,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 15,
+                                                        "line": 6,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 9,
+                                                        "line": 6,
+                                                      },
+                                                    },
+                                                    "name": "expmod",
+                                                    "start": 61,
+                                                    "type": "Identifier",
+                                                  },
+                                                  "loc": undefined,
+                                                  "params": Array [
+                                                    Node {
+                                                      "end": 72,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 20,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 16,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "base",
+                                                      "start": 68,
+                                                      "type": "Identifier",
+                                                    },
+                                                    Node {
+                                                      "end": 77,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 25,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 22,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "exp",
+                                                      "start": 74,
+                                                      "type": "Identifier",
+                                                    },
+                                                    Node {
+                                                      "end": 80,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 28,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 27,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 79,
+                                                      "type": "Identifier",
+                                                    },
+                                                  ],
+                                                  "type": "FunctionExpression",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 52,
+                                                    "line": 11,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 28,
+                                                    "line": 11,
+                                                  },
+                                                },
+                                                "type": "CallExpression",
+                                              },
+                                              "loc": undefined,
+                                              "type": "VariableDeclarator",
+                                            },
+                                          ],
+                                          "kind": "const",
+                                          "loc": undefined,
+                                          "type": "VariableDeclaration",
+                                        },
+                                        Object {
+                                          "argument": Object {
+                                            "left": Object {
+                                              "left": Node {
+                                                "end": 244,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 26,
+                                                    "line": 12,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 19,
+                                                    "line": 12,
+                                                  },
+                                                },
+                                                "name": "to_half",
+                                                "start": 237,
+                                                "type": "Identifier",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "operator": "*",
+                                              "right": Node {
+                                                "end": 254,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 36,
+                                                    "line": 12,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 29,
+                                                    "line": 12,
+                                                  },
+                                                },
+                                                "name": "to_half",
+                                                "start": 247,
+                                                "type": "Identifier",
+                                              },
+                                              "type": "BinaryExpression",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 40,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "%",
+                                            "right": Object {
+                                              "loc": undefined,
+                                              "type": "Literal",
+                                              "value": 5,
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 41,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 12,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "type": "ReturnStatement",
+                                        },
+                                      ],
+                                      "type": "BlockStatement",
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 9,
+                                        "line": 15,
+                                      },
+                                      "start": Position {
+                                        "column": 8,
+                                        "line": 10,
+                                      },
+                                    },
+                                    "test": Object {
+                                      "left": Object {
+                                        "left": Object {
+                                          "loc": undefined,
+                                          "type": "Literal",
+                                          "value": 2,
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 16,
+                                            "line": 3,
+                                          },
+                                          "start": Position {
+                                            "column": 11,
+                                            "line": 3,
+                                          },
+                                        },
+                                        "operator": "%",
+                                        "right": Node {
+                                          "end": 41,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 16,
+                                              "line": 3,
+                                            },
+                                            "start": Position {
+                                              "column": 15,
+                                              "line": 3,
+                                            },
+                                          },
+                                          "raw": "2",
+                                          "start": 40,
+                                          "type": "Literal",
+                                          "value": 2,
+                                        },
+                                        "type": "BinaryExpression",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 22,
+                                          "line": 3,
+                                        },
+                                        "start": Position {
+                                          "column": 11,
+                                          "line": 3,
+                                        },
+                                      },
+                                      "operator": "===",
+                                      "right": Node {
+                                        "end": 47,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 22,
+                                            "line": 3,
+                                          },
+                                          "start": Position {
+                                            "column": 21,
+                                            "line": 3,
+                                          },
+                                        },
+                                        "raw": "0",
+                                        "start": 46,
+                                        "type": "Literal",
+                                        "value": 0,
+                                      },
+                                      "type": "BinaryExpression",
+                                    },
+                                    "type": "IfStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "alternate": Object {
+                                      "body": Array [
+                                        Object {
+                                          "argument": Object {
+                                            "left": Object {
+                                              "left": Object {
+                                                "loc": undefined,
+                                                "type": "Literal",
+                                                "value": 4,
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 50,
+                                                  "line": 14,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 14,
+                                                },
+                                              },
+                                              "operator": "*",
+                                              "right": Object {
+                                                "arguments": Array [
+                                                  Object {
+                                                    "loc": undefined,
+                                                    "type": "Literal",
+                                                    "value": 4,
+                                                  },
+                                                  Object {
+                                                    "left": Object {
+                                                      "loc": undefined,
+                                                      "type": "Literal",
+                                                      "value": 2,
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 46,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 39,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "operator": "-",
+                                                    "right": Node {
+                                                      "end": 323,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 46,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 45,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "raw": "1",
+                                                      "start": 322,
+                                                      "type": "Literal",
+                                                      "value": 1,
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  Object {
+                                                    "loc": undefined,
+                                                    "type": "Literal",
+                                                    "value": 5,
+                                                  },
+                                                ],
+                                                "callee": Object {
+                                                  "body": Object {
+                                                    "body": Array [
+                                                      Object {
+                                                        "alternate": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "alternate": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "argument": Object {
+                                                                      "left": Object {
+                                                                        "left": Node {
+                                                                          "end": 300,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 23,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "name": "base",
+                                                                          "start": 296,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 50,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "operator": "*",
+                                                                        "right": Object {
+                                                                          "arguments": Array [
+                                                                            Node {
+                                                                              "end": 314,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 37,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 33,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "name": "base",
+                                                                              "start": 310,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            Object {
+                                                                              "left": Node {
+                                                                                "end": 319,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 42,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 39,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 316,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 46,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 39,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "operator": "-",
+                                                                              "right": Node {
+                                                                                "end": 323,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 46,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 45,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "1",
+                                                                                "start": 322,
+                                                                                "type": "Literal",
+                                                                                "value": 1,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            Node {
+                                                                              "end": 326,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 49,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 48,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "name": "m",
+                                                                              "start": 325,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                          ],
+                                                                          "callee": [Circular],
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 50,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 26,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "type": "CallExpression",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 54,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "operator": "%",
+                                                                      "right": Node {
+                                                                        "end": 331,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 54,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 53,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 330,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 55,
+                                                                        "line": 14,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 12,
+                                                                        "line": 14,
+                                                                      },
+                                                                    },
+                                                                    "type": "ReturnStatement",
+                                                                  },
+                                                                ],
+                                                                "type": "BlockStatement",
+                                                              },
+                                                              "consequent": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "declarations": Array [
+                                                                      Object {
+                                                                        "id": Node {
+                                                                          "end": 189,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 25,
+                                                                              "line": 11,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 18,
+                                                                              "line": 11,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 182,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "init": Object {
+                                                                          "arguments": Array [
+                                                                            Node {
+                                                                              "end": 203,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 39,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 35,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "name": "base",
+                                                                              "start": 199,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            Object {
+                                                                              "left": Node {
+                                                                                "end": 208,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 44,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 41,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 205,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 48,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 41,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "operator": "/",
+                                                                              "right": Node {
+                                                                                "end": 212,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 48,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 47,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "2",
+                                                                                "start": 211,
+                                                                                "type": "Literal",
+                                                                                "value": 2,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            Node {
+                                                                              "end": 215,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 51,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 50,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "name": "m",
+                                                                              "start": 214,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                          ],
+                                                                          "callee": [Circular],
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 52,
+                                                                              "line": 11,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 28,
+                                                                              "line": 11,
+                                                                            },
+                                                                          },
+                                                                          "type": "CallExpression",
+                                                                        },
+                                                                        "loc": undefined,
+                                                                        "type": "VariableDeclarator",
+                                                                      },
+                                                                    ],
+                                                                    "kind": "const",
+                                                                    "loc": undefined,
+                                                                    "type": "VariableDeclaration",
+                                                                  },
+                                                                  Object {
+                                                                    "argument": Object {
+                                                                      "left": Object {
+                                                                        "left": Node {
+                                                                          "end": 244,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 26,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 237,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 36,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "operator": "*",
+                                                                        "right": Node {
+                                                                          "end": 254,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 36,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 29,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 247,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 40,
+                                                                          "line": 12,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 12,
+                                                                        },
+                                                                      },
+                                                                      "operator": "%",
+                                                                      "right": Node {
+                                                                        "end": 258,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 40,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 39,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 257,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 41,
+                                                                        "line": 12,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 12,
+                                                                        "line": 12,
+                                                                      },
+                                                                    },
+                                                                    "type": "ReturnStatement",
+                                                                  },
+                                                                ],
+                                                                "type": "BlockStatement",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 9,
+                                                                  "line": 15,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 10,
+                                                                },
+                                                              },
+                                                              "test": Object {
+                                                                "arguments": Array [
+                                                                  Node {
+                                                                    "end": 159,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 23,
+                                                                        "line": 10,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 20,
+                                                                        "line": 10,
+                                                                      },
+                                                                    },
+                                                                    "name": "exp",
+                                                                    "start": 156,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                ],
+                                                                "callee": Object {
+                                                                  "body": Object {
+                                                                    "body": Array [
+                                                                      Object {
+                                                                        "argument": Object {
+                                                                          "left": Object {
+                                                                            "left": Node {
+                                                                              "end": 37,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 12,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "name": "n",
+                                                                              "start": 36,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 16,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 11,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "operator": "%",
+                                                                            "right": Node {
+                                                                              "end": 41,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 15,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "raw": "2",
+                                                                              "start": 40,
+                                                                              "type": "Literal",
+                                                                              "value": 2,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 22,
+                                                                              "line": 3,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 11,
+                                                                              "line": 3,
+                                                                            },
+                                                                          },
+                                                                          "operator": "===",
+                                                                          "right": Node {
+                                                                            "end": 47,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 22,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 21,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "raw": "0",
+                                                                            "start": 46,
+                                                                            "type": "Literal",
+                                                                            "value": 0,
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 23,
+                                                                            "line": 3,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 4,
+                                                                            "line": 3,
+                                                                          },
+                                                                        },
+                                                                        "type": "ReturnStatement",
+                                                                      },
+                                                                    ],
+                                                                    "type": "BlockStatement",
+                                                                  },
+                                                                  "id": Node {
+                                                                    "end": 19,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 18,
+                                                                        "line": 2,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 11,
+                                                                        "line": 2,
+                                                                      },
+                                                                    },
+                                                                    "name": "is_even",
+                                                                    "start": 12,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                  "loc": undefined,
+                                                                  "params": Array [
+                                                                    Node {
+                                                                      "end": 21,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 20,
+                                                                          "line": 2,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 2,
+                                                                        },
+                                                                      },
+                                                                      "name": "n",
+                                                                      "start": 20,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                  ],
+                                                                  "type": "FunctionExpression",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 24,
+                                                                    "line": 10,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 12,
+                                                                    "line": 10,
+                                                                  },
+                                                                },
+                                                                "type": "CallExpression",
+                                                              },
+                                                              "type": "IfStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "consequent": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "argument": Node {
+                                                                "end": 121,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 16,
+                                                                    "line": 8,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 15,
+                                                                    "line": 8,
+                                                                  },
+                                                                },
+                                                                "raw": "1",
+                                                                "start": 120,
+                                                                "type": "Literal",
+                                                                "value": 1,
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 17,
+                                                                  "line": 8,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 8,
+                                                                },
+                                                              },
+                                                              "type": "ReturnStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 5,
+                                                            "line": 16,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 4,
+                                                            "line": 7,
+                                                          },
+                                                        },
+                                                        "test": Object {
+                                                          "left": Node {
+                                                            "end": 95,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 11,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 8,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "name": "exp",
+                                                            "start": 92,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 17,
+                                                              "line": 7,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 8,
+                                                              "line": 7,
+                                                            },
+                                                          },
+                                                          "operator": "===",
+                                                          "right": Node {
+                                                            "end": 101,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 17,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 16,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "raw": "0",
+                                                            "start": 100,
+                                                            "type": "Literal",
+                                                            "value": 0,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "type": "IfStatement",
+                                                      },
+                                                    ],
+                                                    "type": "BlockStatement",
+                                                  },
+                                                  "id": Node {
+                                                    "end": 67,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 15,
+                                                        "line": 6,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 9,
+                                                        "line": 6,
+                                                      },
+                                                    },
+                                                    "name": "expmod",
+                                                    "start": 61,
+                                                    "type": "Identifier",
+                                                  },
+                                                  "loc": undefined,
+                                                  "params": Array [
+                                                    Node {
+                                                      "end": 72,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 20,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 16,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "base",
+                                                      "start": 68,
+                                                      "type": "Identifier",
+                                                    },
+                                                    Node {
+                                                      "end": 77,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 25,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 22,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "exp",
+                                                      "start": 74,
+                                                      "type": "Identifier",
+                                                    },
+                                                    Node {
+                                                      "end": 80,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 28,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 27,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 79,
+                                                      "type": "Identifier",
+                                                    },
+                                                  ],
+                                                  "type": "FunctionExpression",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 50,
+                                                    "line": 14,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 26,
+                                                    "line": 14,
+                                                  },
+                                                },
+                                                "type": "CallExpression",
+                                              },
+                                              "type": "BinaryExpression",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 54,
+                                                "line": 14,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 14,
+                                              },
+                                            },
+                                            "operator": "%",
+                                            "right": Object {
+                                              "loc": undefined,
+                                              "type": "Literal",
+                                              "value": 5,
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 55,
+                                              "line": 14,
+                                            },
+                                            "start": Position {
+                                              "column": 12,
+                                              "line": 14,
+                                            },
+                                          },
+                                          "type": "ReturnStatement",
+                                        },
+                                      ],
+                                      "type": "BlockStatement",
+                                    },
+                                    "consequent": Object {
+                                      "body": Array [
+                                        Object {
+                                          "declarations": Array [
+                                            Object {
+                                              "id": Node {
+                                                "end": 189,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 25,
+                                                    "line": 11,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 18,
+                                                    "line": 11,
+                                                  },
+                                                },
+                                                "name": "to_half",
+                                                "start": 182,
+                                                "type": "Identifier",
+                                              },
+                                              "init": Object {
+                                                "arguments": Array [
+                                                  Object {
+                                                    "loc": undefined,
+                                                    "type": "Literal",
+                                                    "value": 4,
+                                                  },
+                                                  Object {
+                                                    "left": Object {
+                                                      "loc": undefined,
+                                                      "type": "Literal",
+                                                      "value": 2,
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 48,
+                                                        "line": 11,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 41,
+                                                        "line": 11,
+                                                      },
+                                                    },
+                                                    "operator": "/",
+                                                    "right": Node {
+                                                      "end": 212,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 48,
+                                                          "line": 11,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 47,
+                                                          "line": 11,
+                                                        },
+                                                      },
+                                                      "raw": "2",
+                                                      "start": 211,
+                                                      "type": "Literal",
+                                                      "value": 2,
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  Object {
+                                                    "loc": undefined,
+                                                    "type": "Literal",
+                                                    "value": 5,
+                                                  },
+                                                ],
+                                                "callee": Object {
+                                                  "body": Object {
+                                                    "body": Array [
+                                                      Object {
+                                                        "alternate": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "alternate": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "argument": Object {
+                                                                      "left": Object {
+                                                                        "left": Node {
+                                                                          "end": 300,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 23,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "name": "base",
+                                                                          "start": 296,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 50,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "operator": "*",
+                                                                        "right": Object {
+                                                                          "arguments": Array [
+                                                                            Node {
+                                                                              "end": 314,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 37,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 33,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "name": "base",
+                                                                              "start": 310,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            Object {
+                                                                              "left": Node {
+                                                                                "end": 319,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 42,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 39,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 316,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 46,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 39,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "operator": "-",
+                                                                              "right": Node {
+                                                                                "end": 323,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 46,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 45,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "1",
+                                                                                "start": 322,
+                                                                                "type": "Literal",
+                                                                                "value": 1,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            Node {
+                                                                              "end": 326,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 49,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 48,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "name": "m",
+                                                                              "start": 325,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                          ],
+                                                                          "callee": [Circular],
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 50,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 26,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "type": "CallExpression",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 54,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "operator": "%",
+                                                                      "right": Node {
+                                                                        "end": 331,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 54,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 53,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 330,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 55,
+                                                                        "line": 14,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 12,
+                                                                        "line": 14,
+                                                                      },
+                                                                    },
+                                                                    "type": "ReturnStatement",
+                                                                  },
+                                                                ],
+                                                                "type": "BlockStatement",
+                                                              },
+                                                              "consequent": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "declarations": Array [
+                                                                      Object {
+                                                                        "id": Node {
+                                                                          "end": 189,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 25,
+                                                                              "line": 11,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 18,
+                                                                              "line": 11,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 182,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "init": Object {
+                                                                          "arguments": Array [
+                                                                            Node {
+                                                                              "end": 203,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 39,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 35,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "name": "base",
+                                                                              "start": 199,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            Object {
+                                                                              "left": Node {
+                                                                                "end": 208,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 44,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 41,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 205,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 48,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 41,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "operator": "/",
+                                                                              "right": Node {
+                                                                                "end": 212,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 48,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 47,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "2",
+                                                                                "start": 211,
+                                                                                "type": "Literal",
+                                                                                "value": 2,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            Node {
+                                                                              "end": 215,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 51,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 50,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "name": "m",
+                                                                              "start": 214,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                          ],
+                                                                          "callee": [Circular],
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 52,
+                                                                              "line": 11,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 28,
+                                                                              "line": 11,
+                                                                            },
+                                                                          },
+                                                                          "type": "CallExpression",
+                                                                        },
+                                                                        "loc": undefined,
+                                                                        "type": "VariableDeclarator",
+                                                                      },
+                                                                    ],
+                                                                    "kind": "const",
+                                                                    "loc": undefined,
+                                                                    "type": "VariableDeclaration",
+                                                                  },
+                                                                  Object {
+                                                                    "argument": Object {
+                                                                      "left": Object {
+                                                                        "left": Node {
+                                                                          "end": 244,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 26,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 237,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 36,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "operator": "*",
+                                                                        "right": Node {
+                                                                          "end": 254,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 36,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 29,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 247,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 40,
+                                                                          "line": 12,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 12,
+                                                                        },
+                                                                      },
+                                                                      "operator": "%",
+                                                                      "right": Node {
+                                                                        "end": 258,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 40,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 39,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 257,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 41,
+                                                                        "line": 12,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 12,
+                                                                        "line": 12,
+                                                                      },
+                                                                    },
+                                                                    "type": "ReturnStatement",
+                                                                  },
+                                                                ],
+                                                                "type": "BlockStatement",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 9,
+                                                                  "line": 15,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 10,
+                                                                },
+                                                              },
+                                                              "test": Object {
+                                                                "arguments": Array [
+                                                                  Node {
+                                                                    "end": 159,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 23,
+                                                                        "line": 10,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 20,
+                                                                        "line": 10,
+                                                                      },
+                                                                    },
+                                                                    "name": "exp",
+                                                                    "start": 156,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                ],
+                                                                "callee": Object {
+                                                                  "body": Object {
+                                                                    "body": Array [
+                                                                      Object {
+                                                                        "argument": Object {
+                                                                          "left": Object {
+                                                                            "left": Node {
+                                                                              "end": 37,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 12,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "name": "n",
+                                                                              "start": 36,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 16,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 11,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "operator": "%",
+                                                                            "right": Node {
+                                                                              "end": 41,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 15,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "raw": "2",
+                                                                              "start": 40,
+                                                                              "type": "Literal",
+                                                                              "value": 2,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 22,
+                                                                              "line": 3,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 11,
+                                                                              "line": 3,
+                                                                            },
+                                                                          },
+                                                                          "operator": "===",
+                                                                          "right": Node {
+                                                                            "end": 47,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 22,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 21,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "raw": "0",
+                                                                            "start": 46,
+                                                                            "type": "Literal",
+                                                                            "value": 0,
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 23,
+                                                                            "line": 3,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 4,
+                                                                            "line": 3,
+                                                                          },
+                                                                        },
+                                                                        "type": "ReturnStatement",
+                                                                      },
+                                                                    ],
+                                                                    "type": "BlockStatement",
+                                                                  },
+                                                                  "id": Node {
+                                                                    "end": 19,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 18,
+                                                                        "line": 2,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 11,
+                                                                        "line": 2,
+                                                                      },
+                                                                    },
+                                                                    "name": "is_even",
+                                                                    "start": 12,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                  "loc": undefined,
+                                                                  "params": Array [
+                                                                    Node {
+                                                                      "end": 21,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 20,
+                                                                          "line": 2,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 2,
+                                                                        },
+                                                                      },
+                                                                      "name": "n",
+                                                                      "start": 20,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                  ],
+                                                                  "type": "FunctionExpression",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 24,
+                                                                    "line": 10,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 12,
+                                                                    "line": 10,
+                                                                  },
+                                                                },
+                                                                "type": "CallExpression",
+                                                              },
+                                                              "type": "IfStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "consequent": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "argument": Node {
+                                                                "end": 121,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 16,
+                                                                    "line": 8,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 15,
+                                                                    "line": 8,
+                                                                  },
+                                                                },
+                                                                "raw": "1",
+                                                                "start": 120,
+                                                                "type": "Literal",
+                                                                "value": 1,
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 17,
+                                                                  "line": 8,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 8,
+                                                                },
+                                                              },
+                                                              "type": "ReturnStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 5,
+                                                            "line": 16,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 4,
+                                                            "line": 7,
+                                                          },
+                                                        },
+                                                        "test": Object {
+                                                          "left": Node {
+                                                            "end": 95,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 11,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 8,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "name": "exp",
+                                                            "start": 92,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 17,
+                                                              "line": 7,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 8,
+                                                              "line": 7,
+                                                            },
+                                                          },
+                                                          "operator": "===",
+                                                          "right": Node {
+                                                            "end": 101,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 17,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 16,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "raw": "0",
+                                                            "start": 100,
+                                                            "type": "Literal",
+                                                            "value": 0,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "type": "IfStatement",
+                                                      },
+                                                    ],
+                                                    "type": "BlockStatement",
+                                                  },
+                                                  "id": Node {
+                                                    "end": 67,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 15,
+                                                        "line": 6,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 9,
+                                                        "line": 6,
+                                                      },
+                                                    },
+                                                    "name": "expmod",
+                                                    "start": 61,
+                                                    "type": "Identifier",
+                                                  },
+                                                  "loc": undefined,
+                                                  "params": Array [
+                                                    Node {
+                                                      "end": 72,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 20,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 16,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "base",
+                                                      "start": 68,
+                                                      "type": "Identifier",
+                                                    },
+                                                    Node {
+                                                      "end": 77,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 25,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 22,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "exp",
+                                                      "start": 74,
+                                                      "type": "Identifier",
+                                                    },
+                                                    Node {
+                                                      "end": 80,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 28,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 27,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 79,
+                                                      "type": "Identifier",
+                                                    },
+                                                  ],
+                                                  "type": "FunctionExpression",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 52,
+                                                    "line": 11,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 28,
+                                                    "line": 11,
+                                                  },
+                                                },
+                                                "type": "CallExpression",
+                                              },
+                                              "loc": undefined,
+                                              "type": "VariableDeclarator",
+                                            },
+                                          ],
+                                          "kind": "const",
+                                          "loc": undefined,
+                                          "type": "VariableDeclaration",
+                                        },
+                                        Object {
+                                          "argument": Object {
+                                            "left": Object {
+                                              "left": Node {
+                                                "end": 244,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 26,
+                                                    "line": 12,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 19,
+                                                    "line": 12,
+                                                  },
+                                                },
+                                                "name": "to_half",
+                                                "start": 237,
+                                                "type": "Identifier",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "operator": "*",
+                                              "right": Node {
+                                                "end": 254,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 36,
+                                                    "line": 12,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 29,
+                                                    "line": 12,
+                                                  },
+                                                },
+                                                "name": "to_half",
+                                                "start": 247,
+                                                "type": "Identifier",
+                                              },
+                                              "type": "BinaryExpression",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 40,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "%",
+                                            "right": Object {
+                                              "loc": undefined,
+                                              "type": "Literal",
+                                              "value": 5,
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 41,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 12,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "type": "ReturnStatement",
+                                        },
+                                      ],
+                                      "type": "BlockStatement",
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 9,
+                                        "line": 15,
+                                      },
+                                      "start": Position {
+                                        "column": 8,
+                                        "line": 10,
+                                      },
+                                    },
+                                    "test": Object {
+                                      "left": Node {
+                                        "end": 1,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 1,
+                                            "line": 1,
+                                          },
+                                          "start": Position {
+                                            "column": 0,
+                                            "line": 1,
+                                          },
+                                        },
+                                        "raw": "0",
+                                        "start": 0,
+                                        "type": "Literal",
+                                        "value": 0,
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 22,
+                                          "line": 3,
+                                        },
+                                        "start": Position {
+                                          "column": 11,
+                                          "line": 3,
+                                        },
+                                      },
+                                      "operator": "===",
+                                      "right": Node {
+                                        "end": 47,
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 22,
+                                            "line": 3,
+                                          },
+                                          "start": Position {
+                                            "column": 21,
+                                            "line": 3,
+                                          },
+                                        },
+                                        "raw": "0",
+                                        "start": 46,
+                                        "type": "Literal",
+                                        "value": 0,
+                                      },
+                                      "type": "BinaryExpression",
+                                    },
+                                    "type": "IfStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "alternate": Object {
+                                      "body": Array [
+                                        Object {
+                                          "argument": Object {
+                                            "left": Object {
+                                              "left": Object {
+                                                "loc": undefined,
+                                                "type": "Literal",
+                                                "value": 4,
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 50,
+                                                  "line": 14,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 14,
+                                                },
+                                              },
+                                              "operator": "*",
+                                              "right": Object {
+                                                "arguments": Array [
+                                                  Object {
+                                                    "loc": undefined,
+                                                    "type": "Literal",
+                                                    "value": 4,
+                                                  },
+                                                  Object {
+                                                    "left": Object {
+                                                      "loc": undefined,
+                                                      "type": "Literal",
+                                                      "value": 2,
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 46,
+                                                        "line": 14,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 39,
+                                                        "line": 14,
+                                                      },
+                                                    },
+                                                    "operator": "-",
+                                                    "right": Node {
+                                                      "end": 323,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 46,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 45,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "raw": "1",
+                                                      "start": 322,
+                                                      "type": "Literal",
+                                                      "value": 1,
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  Object {
+                                                    "loc": undefined,
+                                                    "type": "Literal",
+                                                    "value": 5,
+                                                  },
+                                                ],
+                                                "callee": Object {
+                                                  "body": Object {
+                                                    "body": Array [
+                                                      Object {
+                                                        "alternate": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "alternate": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "argument": Object {
+                                                                      "left": Object {
+                                                                        "left": Node {
+                                                                          "end": 300,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 23,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "name": "base",
+                                                                          "start": 296,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 50,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "operator": "*",
+                                                                        "right": Object {
+                                                                          "arguments": Array [
+                                                                            Node {
+                                                                              "end": 314,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 37,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 33,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "name": "base",
+                                                                              "start": 310,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            Object {
+                                                                              "left": Node {
+                                                                                "end": 319,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 42,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 39,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 316,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 46,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 39,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "operator": "-",
+                                                                              "right": Node {
+                                                                                "end": 323,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 46,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 45,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "1",
+                                                                                "start": 322,
+                                                                                "type": "Literal",
+                                                                                "value": 1,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            Node {
+                                                                              "end": 326,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 49,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 48,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "name": "m",
+                                                                              "start": 325,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                          ],
+                                                                          "callee": [Circular],
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 50,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 26,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "type": "CallExpression",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 54,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "operator": "%",
+                                                                      "right": Node {
+                                                                        "end": 331,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 54,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 53,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 330,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 55,
+                                                                        "line": 14,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 12,
+                                                                        "line": 14,
+                                                                      },
+                                                                    },
+                                                                    "type": "ReturnStatement",
+                                                                  },
+                                                                ],
+                                                                "type": "BlockStatement",
+                                                              },
+                                                              "consequent": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "declarations": Array [
+                                                                      Object {
+                                                                        "id": Node {
+                                                                          "end": 189,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 25,
+                                                                              "line": 11,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 18,
+                                                                              "line": 11,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 182,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "init": Object {
+                                                                          "arguments": Array [
+                                                                            Node {
+                                                                              "end": 203,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 39,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 35,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "name": "base",
+                                                                              "start": 199,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            Object {
+                                                                              "left": Node {
+                                                                                "end": 208,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 44,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 41,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 205,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 48,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 41,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "operator": "/",
+                                                                              "right": Node {
+                                                                                "end": 212,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 48,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 47,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "2",
+                                                                                "start": 211,
+                                                                                "type": "Literal",
+                                                                                "value": 2,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            Node {
+                                                                              "end": 215,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 51,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 50,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "name": "m",
+                                                                              "start": 214,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                          ],
+                                                                          "callee": [Circular],
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 52,
+                                                                              "line": 11,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 28,
+                                                                              "line": 11,
+                                                                            },
+                                                                          },
+                                                                          "type": "CallExpression",
+                                                                        },
+                                                                        "loc": undefined,
+                                                                        "type": "VariableDeclarator",
+                                                                      },
+                                                                    ],
+                                                                    "kind": "const",
+                                                                    "loc": undefined,
+                                                                    "type": "VariableDeclaration",
+                                                                  },
+                                                                  Object {
+                                                                    "argument": Object {
+                                                                      "left": Object {
+                                                                        "left": Node {
+                                                                          "end": 244,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 26,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 237,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 36,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "operator": "*",
+                                                                        "right": Node {
+                                                                          "end": 254,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 36,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 29,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 247,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 40,
+                                                                          "line": 12,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 12,
+                                                                        },
+                                                                      },
+                                                                      "operator": "%",
+                                                                      "right": Node {
+                                                                        "end": 258,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 40,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 39,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 257,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 41,
+                                                                        "line": 12,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 12,
+                                                                        "line": 12,
+                                                                      },
+                                                                    },
+                                                                    "type": "ReturnStatement",
+                                                                  },
+                                                                ],
+                                                                "type": "BlockStatement",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 9,
+                                                                  "line": 15,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 10,
+                                                                },
+                                                              },
+                                                              "test": Object {
+                                                                "arguments": Array [
+                                                                  Node {
+                                                                    "end": 159,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 23,
+                                                                        "line": 10,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 20,
+                                                                        "line": 10,
+                                                                      },
+                                                                    },
+                                                                    "name": "exp",
+                                                                    "start": 156,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                ],
+                                                                "callee": Object {
+                                                                  "body": Object {
+                                                                    "body": Array [
+                                                                      Object {
+                                                                        "argument": Object {
+                                                                          "left": Object {
+                                                                            "left": Node {
+                                                                              "end": 37,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 12,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "name": "n",
+                                                                              "start": 36,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 16,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 11,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "operator": "%",
+                                                                            "right": Node {
+                                                                              "end": 41,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 15,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "raw": "2",
+                                                                              "start": 40,
+                                                                              "type": "Literal",
+                                                                              "value": 2,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 22,
+                                                                              "line": 3,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 11,
+                                                                              "line": 3,
+                                                                            },
+                                                                          },
+                                                                          "operator": "===",
+                                                                          "right": Node {
+                                                                            "end": 47,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 22,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 21,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "raw": "0",
+                                                                            "start": 46,
+                                                                            "type": "Literal",
+                                                                            "value": 0,
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 23,
+                                                                            "line": 3,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 4,
+                                                                            "line": 3,
+                                                                          },
+                                                                        },
+                                                                        "type": "ReturnStatement",
+                                                                      },
+                                                                    ],
+                                                                    "type": "BlockStatement",
+                                                                  },
+                                                                  "id": Node {
+                                                                    "end": 19,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 18,
+                                                                        "line": 2,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 11,
+                                                                        "line": 2,
+                                                                      },
+                                                                    },
+                                                                    "name": "is_even",
+                                                                    "start": 12,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                  "loc": undefined,
+                                                                  "params": Array [
+                                                                    Node {
+                                                                      "end": 21,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 20,
+                                                                          "line": 2,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 2,
+                                                                        },
+                                                                      },
+                                                                      "name": "n",
+                                                                      "start": 20,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                  ],
+                                                                  "type": "FunctionExpression",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 24,
+                                                                    "line": 10,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 12,
+                                                                    "line": 10,
+                                                                  },
+                                                                },
+                                                                "type": "CallExpression",
+                                                              },
+                                                              "type": "IfStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "consequent": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "argument": Node {
+                                                                "end": 121,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 16,
+                                                                    "line": 8,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 15,
+                                                                    "line": 8,
+                                                                  },
+                                                                },
+                                                                "raw": "1",
+                                                                "start": 120,
+                                                                "type": "Literal",
+                                                                "value": 1,
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 17,
+                                                                  "line": 8,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 8,
+                                                                },
+                                                              },
+                                                              "type": "ReturnStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 5,
+                                                            "line": 16,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 4,
+                                                            "line": 7,
+                                                          },
+                                                        },
+                                                        "test": Object {
+                                                          "left": Node {
+                                                            "end": 95,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 11,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 8,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "name": "exp",
+                                                            "start": 92,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 17,
+                                                              "line": 7,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 8,
+                                                              "line": 7,
+                                                            },
+                                                          },
+                                                          "operator": "===",
+                                                          "right": Node {
+                                                            "end": 101,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 17,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 16,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "raw": "0",
+                                                            "start": 100,
+                                                            "type": "Literal",
+                                                            "value": 0,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "type": "IfStatement",
+                                                      },
+                                                    ],
+                                                    "type": "BlockStatement",
+                                                  },
+                                                  "id": Node {
+                                                    "end": 67,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 15,
+                                                        "line": 6,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 9,
+                                                        "line": 6,
+                                                      },
+                                                    },
+                                                    "name": "expmod",
+                                                    "start": 61,
+                                                    "type": "Identifier",
+                                                  },
+                                                  "loc": undefined,
+                                                  "params": Array [
+                                                    Node {
+                                                      "end": 72,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 20,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 16,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "base",
+                                                      "start": 68,
+                                                      "type": "Identifier",
+                                                    },
+                                                    Node {
+                                                      "end": 77,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 25,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 22,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "exp",
+                                                      "start": 74,
+                                                      "type": "Identifier",
+                                                    },
+                                                    Node {
+                                                      "end": 80,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 28,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 27,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 79,
+                                                      "type": "Identifier",
+                                                    },
+                                                  ],
+                                                  "type": "FunctionExpression",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 50,
+                                                    "line": 14,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 26,
+                                                    "line": 14,
+                                                  },
+                                                },
+                                                "type": "CallExpression",
+                                              },
+                                              "type": "BinaryExpression",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 54,
+                                                "line": 14,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 14,
+                                              },
+                                            },
+                                            "operator": "%",
+                                            "right": Object {
+                                              "loc": undefined,
+                                              "type": "Literal",
+                                              "value": 5,
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 55,
+                                              "line": 14,
+                                            },
+                                            "start": Position {
+                                              "column": 12,
+                                              "line": 14,
+                                            },
+                                          },
+                                          "type": "ReturnStatement",
+                                        },
+                                      ],
+                                      "type": "BlockStatement",
+                                    },
+                                    "consequent": Object {
+                                      "body": Array [
+                                        Object {
+                                          "declarations": Array [
+                                            Object {
+                                              "id": Node {
+                                                "end": 189,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 25,
+                                                    "line": 11,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 18,
+                                                    "line": 11,
+                                                  },
+                                                },
+                                                "name": "to_half",
+                                                "start": 182,
+                                                "type": "Identifier",
+                                              },
+                                              "init": Object {
+                                                "arguments": Array [
+                                                  Object {
+                                                    "loc": undefined,
+                                                    "type": "Literal",
+                                                    "value": 4,
+                                                  },
+                                                  Object {
+                                                    "left": Object {
+                                                      "loc": undefined,
+                                                      "type": "Literal",
+                                                      "value": 2,
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 48,
+                                                        "line": 11,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 41,
+                                                        "line": 11,
+                                                      },
+                                                    },
+                                                    "operator": "/",
+                                                    "right": Node {
+                                                      "end": 212,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 48,
+                                                          "line": 11,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 47,
+                                                          "line": 11,
+                                                        },
+                                                      },
+                                                      "raw": "2",
+                                                      "start": 211,
+                                                      "type": "Literal",
+                                                      "value": 2,
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  Object {
+                                                    "loc": undefined,
+                                                    "type": "Literal",
+                                                    "value": 5,
+                                                  },
+                                                ],
+                                                "callee": Object {
+                                                  "body": Object {
+                                                    "body": Array [
+                                                      Object {
+                                                        "alternate": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "alternate": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "argument": Object {
+                                                                      "left": Object {
+                                                                        "left": Node {
+                                                                          "end": 300,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 23,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "name": "base",
+                                                                          "start": 296,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 50,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "operator": "*",
+                                                                        "right": Object {
+                                                                          "arguments": Array [
+                                                                            Node {
+                                                                              "end": 314,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 37,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 33,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "name": "base",
+                                                                              "start": 310,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            Object {
+                                                                              "left": Node {
+                                                                                "end": 319,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 42,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 39,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 316,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 46,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 39,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "operator": "-",
+                                                                              "right": Node {
+                                                                                "end": 323,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 46,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 45,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "1",
+                                                                                "start": 322,
+                                                                                "type": "Literal",
+                                                                                "value": 1,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            Node {
+                                                                              "end": 326,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 49,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 48,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "name": "m",
+                                                                              "start": 325,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                          ],
+                                                                          "callee": [Circular],
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 50,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 26,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "type": "CallExpression",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 54,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "operator": "%",
+                                                                      "right": Node {
+                                                                        "end": 331,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 54,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 53,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 330,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 55,
+                                                                        "line": 14,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 12,
+                                                                        "line": 14,
+                                                                      },
+                                                                    },
+                                                                    "type": "ReturnStatement",
+                                                                  },
+                                                                ],
+                                                                "type": "BlockStatement",
+                                                              },
+                                                              "consequent": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "declarations": Array [
+                                                                      Object {
+                                                                        "id": Node {
+                                                                          "end": 189,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 25,
+                                                                              "line": 11,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 18,
+                                                                              "line": 11,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 182,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "init": Object {
+                                                                          "arguments": Array [
+                                                                            Node {
+                                                                              "end": 203,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 39,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 35,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "name": "base",
+                                                                              "start": 199,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            Object {
+                                                                              "left": Node {
+                                                                                "end": 208,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 44,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 41,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 205,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 48,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 41,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "operator": "/",
+                                                                              "right": Node {
+                                                                                "end": 212,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 48,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 47,
+                                                                                    "line": 11,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "2",
+                                                                                "start": 211,
+                                                                                "type": "Literal",
+                                                                                "value": 2,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            Node {
+                                                                              "end": 215,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 51,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 50,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "name": "m",
+                                                                              "start": 214,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                          ],
+                                                                          "callee": [Circular],
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 52,
+                                                                              "line": 11,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 28,
+                                                                              "line": 11,
+                                                                            },
+                                                                          },
+                                                                          "type": "CallExpression",
+                                                                        },
+                                                                        "loc": undefined,
+                                                                        "type": "VariableDeclarator",
+                                                                      },
+                                                                    ],
+                                                                    "kind": "const",
+                                                                    "loc": undefined,
+                                                                    "type": "VariableDeclaration",
+                                                                  },
+                                                                  Object {
+                                                                    "argument": Object {
+                                                                      "left": Object {
+                                                                        "left": Node {
+                                                                          "end": 244,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 26,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 19,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 237,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 36,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "operator": "*",
+                                                                        "right": Node {
+                                                                          "end": 254,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 36,
+                                                                              "line": 12,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 29,
+                                                                              "line": 12,
+                                                                            },
+                                                                          },
+                                                                          "name": "to_half",
+                                                                          "start": 247,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 40,
+                                                                          "line": 12,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 12,
+                                                                        },
+                                                                      },
+                                                                      "operator": "%",
+                                                                      "right": Node {
+                                                                        "end": 258,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 40,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 39,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 257,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 41,
+                                                                        "line": 12,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 12,
+                                                                        "line": 12,
+                                                                      },
+                                                                    },
+                                                                    "type": "ReturnStatement",
+                                                                  },
+                                                                ],
+                                                                "type": "BlockStatement",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 9,
+                                                                  "line": 15,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 10,
+                                                                },
+                                                              },
+                                                              "test": Object {
+                                                                "arguments": Array [
+                                                                  Node {
+                                                                    "end": 159,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 23,
+                                                                        "line": 10,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 20,
+                                                                        "line": 10,
+                                                                      },
+                                                                    },
+                                                                    "name": "exp",
+                                                                    "start": 156,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                ],
+                                                                "callee": Object {
+                                                                  "body": Object {
+                                                                    "body": Array [
+                                                                      Object {
+                                                                        "argument": Object {
+                                                                          "left": Object {
+                                                                            "left": Node {
+                                                                              "end": 37,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 12,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "name": "n",
+                                                                              "start": 36,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 16,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 11,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "operator": "%",
+                                                                            "right": Node {
+                                                                              "end": 41,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 3,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 15,
+                                                                                  "line": 3,
+                                                                                },
+                                                                              },
+                                                                              "raw": "2",
+                                                                              "start": 40,
+                                                                              "type": "Literal",
+                                                                              "value": 2,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 22,
+                                                                              "line": 3,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 11,
+                                                                              "line": 3,
+                                                                            },
+                                                                          },
+                                                                          "operator": "===",
+                                                                          "right": Node {
+                                                                            "end": 47,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 22,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 21,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "raw": "0",
+                                                                            "start": 46,
+                                                                            "type": "Literal",
+                                                                            "value": 0,
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 23,
+                                                                            "line": 3,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 4,
+                                                                            "line": 3,
+                                                                          },
+                                                                        },
+                                                                        "type": "ReturnStatement",
+                                                                      },
+                                                                    ],
+                                                                    "type": "BlockStatement",
+                                                                  },
+                                                                  "id": Node {
+                                                                    "end": 19,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 18,
+                                                                        "line": 2,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 11,
+                                                                        "line": 2,
+                                                                      },
+                                                                    },
+                                                                    "name": "is_even",
+                                                                    "start": 12,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                  "loc": undefined,
+                                                                  "params": Array [
+                                                                    Node {
+                                                                      "end": 21,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 20,
+                                                                          "line": 2,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 2,
+                                                                        },
+                                                                      },
+                                                                      "name": "n",
+                                                                      "start": 20,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                  ],
+                                                                  "type": "FunctionExpression",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 24,
+                                                                    "line": 10,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 12,
+                                                                    "line": 10,
+                                                                  },
+                                                                },
+                                                                "type": "CallExpression",
+                                                              },
+                                                              "type": "IfStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "consequent": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "argument": Node {
+                                                                "end": 121,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 16,
+                                                                    "line": 8,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 15,
+                                                                    "line": 8,
+                                                                  },
+                                                                },
+                                                                "raw": "1",
+                                                                "start": 120,
+                                                                "type": "Literal",
+                                                                "value": 1,
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 17,
+                                                                  "line": 8,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 8,
+                                                                  "line": 8,
+                                                                },
+                                                              },
+                                                              "type": "ReturnStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 5,
+                                                            "line": 16,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 4,
+                                                            "line": 7,
+                                                          },
+                                                        },
+                                                        "test": Object {
+                                                          "left": Node {
+                                                            "end": 95,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 11,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 8,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "name": "exp",
+                                                            "start": 92,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 17,
+                                                              "line": 7,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 8,
+                                                              "line": 7,
+                                                            },
+                                                          },
+                                                          "operator": "===",
+                                                          "right": Node {
+                                                            "end": 101,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 17,
+                                                                "line": 7,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 16,
+                                                                "line": 7,
+                                                              },
+                                                            },
+                                                            "raw": "0",
+                                                            "start": 100,
+                                                            "type": "Literal",
+                                                            "value": 0,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "type": "IfStatement",
+                                                      },
+                                                    ],
+                                                    "type": "BlockStatement",
+                                                  },
+                                                  "id": Node {
+                                                    "end": 67,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 15,
+                                                        "line": 6,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 9,
+                                                        "line": 6,
+                                                      },
+                                                    },
+                                                    "name": "expmod",
+                                                    "start": 61,
+                                                    "type": "Identifier",
+                                                  },
+                                                  "loc": undefined,
+                                                  "params": Array [
+                                                    Node {
+                                                      "end": 72,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 20,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 16,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "base",
+                                                      "start": 68,
+                                                      "type": "Identifier",
+                                                    },
+                                                    Node {
+                                                      "end": 77,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 25,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 22,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "exp",
+                                                      "start": 74,
+                                                      "type": "Identifier",
+                                                    },
+                                                    Node {
+                                                      "end": 80,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 28,
+                                                          "line": 6,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 27,
+                                                          "line": 6,
+                                                        },
+                                                      },
+                                                      "name": "m",
+                                                      "start": 79,
+                                                      "type": "Identifier",
+                                                    },
+                                                  ],
+                                                  "type": "FunctionExpression",
+                                                },
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 52,
+                                                    "line": 11,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 28,
+                                                    "line": 11,
+                                                  },
+                                                },
+                                                "type": "CallExpression",
+                                              },
+                                              "loc": undefined,
+                                              "type": "VariableDeclarator",
+                                            },
+                                          ],
+                                          "kind": "const",
+                                          "loc": undefined,
+                                          "type": "VariableDeclaration",
+                                        },
+                                        Object {
+                                          "argument": Object {
+                                            "left": Object {
+                                              "left": Node {
+                                                "end": 244,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 26,
+                                                    "line": 12,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 19,
+                                                    "line": 12,
+                                                  },
+                                                },
+                                                "name": "to_half",
+                                                "start": 237,
+                                                "type": "Identifier",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "operator": "*",
+                                              "right": Node {
+                                                "end": 254,
+                                                "loc": SourceLocation {
+                                                  "end": Position {
+                                                    "column": 36,
+                                                    "line": 12,
+                                                  },
+                                                  "start": Position {
+                                                    "column": 29,
+                                                    "line": 12,
+                                                  },
+                                                },
+                                                "name": "to_half",
+                                                "start": 247,
+                                                "type": "Identifier",
+                                              },
+                                              "type": "BinaryExpression",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 40,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "%",
+                                            "right": Object {
+                                              "loc": undefined,
+                                              "type": "Literal",
+                                              "value": 5,
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 41,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 12,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "type": "ReturnStatement",
+                                        },
+                                      ],
+                                      "type": "BlockStatement",
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 9,
+                                        "line": 15,
+                                      },
+                                      "start": Position {
+                                        "column": 8,
+                                        "line": 10,
+                                      },
+                                    },
+                                    "test": Node {
+                                      "end": 4,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 4,
+                                          "line": 1,
+                                        },
+                                        "start": Position {
+                                          "column": 0,
+                                          "line": 1,
+                                        },
+                                      },
+                                      "raw": "true",
+                                      "start": 0,
+                                      "type": "Literal",
+                                      "value": true,
+                                    },
+                                    "type": "IfStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Node {
+                                              "end": 189,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 25,
+                                                  "line": 11,
+                                                },
+                                                "start": Position {
+                                                  "column": 18,
+                                                  "line": 11,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 182,
+                                              "type": "Identifier",
+                                            },
+                                            "init": Object {
+                                              "arguments": Array [
+                                                Object {
+                                                  "loc": undefined,
+                                                  "type": "Literal",
+                                                  "value": 4,
+                                                },
+                                                Object {
+                                                  "left": Object {
+                                                    "loc": undefined,
+                                                    "type": "Literal",
+                                                    "value": 2,
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 48,
+                                                      "line": 11,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 41,
+                                                      "line": 11,
+                                                    },
+                                                  },
+                                                  "operator": "/",
+                                                  "right": Node {
+                                                    "end": 212,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 48,
+                                                        "line": 11,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 47,
+                                                        "line": 11,
+                                                      },
+                                                    },
+                                                    "raw": "2",
+                                                    "start": 211,
+                                                    "type": "Literal",
+                                                    "value": 2,
+                                                  },
+                                                  "type": "BinaryExpression",
+                                                },
+                                                Object {
+                                                  "loc": undefined,
+                                                  "type": "Literal",
+                                                  "value": 5,
+                                                },
+                                              ],
+                                              "callee": Object {
+                                                "body": Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "alternate": Object {
+                                                        "body": Array [
+                                                          Object {
+                                                            "alternate": Object {
+                                                              "body": Array [
+                                                                Object {
+                                                                  "argument": Object {
+                                                                    "left": Object {
+                                                                      "left": Node {
+                                                                        "end": 300,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 23,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "name": "base",
+                                                                        "start": 296,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 50,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "operator": "*",
+                                                                      "right": Object {
+                                                                        "arguments": Array [
+                                                                          Node {
+                                                                            "end": 314,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 37,
+                                                                                "line": 14,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 33,
+                                                                                "line": 14,
+                                                                              },
+                                                                            },
+                                                                            "name": "base",
+                                                                            "start": 310,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          Object {
+                                                                            "left": Node {
+                                                                              "end": 319,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 42,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 39,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "name": "exp",
+                                                                              "start": 316,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 46,
+                                                                                "line": 14,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 39,
+                                                                                "line": 14,
+                                                                              },
+                                                                            },
+                                                                            "operator": "-",
+                                                                            "right": Node {
+                                                                              "end": 323,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 46,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 45,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "raw": "1",
+                                                                              "start": 322,
+                                                                              "type": "Literal",
+                                                                              "value": 1,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          Node {
+                                                                            "end": 326,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 49,
+                                                                                "line": 14,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 48,
+                                                                                "line": 14,
+                                                                              },
+                                                                            },
+                                                                            "name": "m",
+                                                                            "start": 325,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                        ],
+                                                                        "callee": [Circular],
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 50,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 26,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "type": "CallExpression",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 54,
+                                                                        "line": 14,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 19,
+                                                                        "line": 14,
+                                                                      },
+                                                                    },
+                                                                    "operator": "%",
+                                                                    "right": Node {
+                                                                      "end": 331,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 54,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 53,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "name": "m",
+                                                                      "start": 330,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    "type": "BinaryExpression",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 55,
+                                                                      "line": 14,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 12,
+                                                                      "line": 14,
+                                                                    },
+                                                                  },
+                                                                  "type": "ReturnStatement",
+                                                                },
+                                                              ],
+                                                              "type": "BlockStatement",
+                                                            },
+                                                            "consequent": Object {
+                                                              "body": Array [
+                                                                Object {
+                                                                  "declarations": Array [
+                                                                    Object {
+                                                                      "id": Node {
+                                                                        "end": 189,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 25,
+                                                                            "line": 11,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 18,
+                                                                            "line": 11,
+                                                                          },
+                                                                        },
+                                                                        "name": "to_half",
+                                                                        "start": 182,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "init": Object {
+                                                                        "arguments": Array [
+                                                                          Node {
+                                                                            "end": 203,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 39,
+                                                                                "line": 11,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 35,
+                                                                                "line": 11,
+                                                                              },
+                                                                            },
+                                                                            "name": "base",
+                                                                            "start": 199,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          Object {
+                                                                            "left": Node {
+                                                                              "end": 208,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 44,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 41,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "name": "exp",
+                                                                              "start": 205,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 48,
+                                                                                "line": 11,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 41,
+                                                                                "line": 11,
+                                                                              },
+                                                                            },
+                                                                            "operator": "/",
+                                                                            "right": Node {
+                                                                              "end": 212,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 48,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 47,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "raw": "2",
+                                                                              "start": 211,
+                                                                              "type": "Literal",
+                                                                              "value": 2,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          Node {
+                                                                            "end": 215,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 51,
+                                                                                "line": 11,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 50,
+                                                                                "line": 11,
+                                                                              },
+                                                                            },
+                                                                            "name": "m",
+                                                                            "start": 214,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                        ],
+                                                                        "callee": [Circular],
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 52,
+                                                                            "line": 11,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 28,
+                                                                            "line": 11,
+                                                                          },
+                                                                        },
+                                                                        "type": "CallExpression",
+                                                                      },
+                                                                      "loc": undefined,
+                                                                      "type": "VariableDeclarator",
+                                                                    },
+                                                                  ],
+                                                                  "kind": "const",
+                                                                  "loc": undefined,
+                                                                  "type": "VariableDeclaration",
+                                                                },
+                                                                Object {
+                                                                  "argument": Object {
+                                                                    "left": Object {
+                                                                      "left": Node {
+                                                                        "end": 244,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 26,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "name": "to_half",
+                                                                        "start": 237,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 36,
+                                                                          "line": 12,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 12,
+                                                                        },
+                                                                      },
+                                                                      "operator": "*",
+                                                                      "right": Node {
+                                                                        "end": 254,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 36,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 29,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "name": "to_half",
+                                                                        "start": 247,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 40,
+                                                                        "line": 12,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 19,
+                                                                        "line": 12,
+                                                                      },
+                                                                    },
+                                                                    "operator": "%",
+                                                                    "right": Node {
+                                                                      "end": 258,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 40,
+                                                                          "line": 12,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 39,
+                                                                          "line": 12,
+                                                                        },
+                                                                      },
+                                                                      "name": "m",
+                                                                      "start": 257,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    "type": "BinaryExpression",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 41,
+                                                                      "line": 12,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 12,
+                                                                      "line": 12,
+                                                                    },
+                                                                  },
+                                                                  "type": "ReturnStatement",
+                                                                },
+                                                              ],
+                                                              "type": "BlockStatement",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 9,
+                                                                "line": 15,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 8,
+                                                                "line": 10,
+                                                              },
+                                                            },
+                                                            "test": Object {
+                                                              "arguments": Array [
+                                                                Node {
+                                                                  "end": 159,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 23,
+                                                                      "line": 10,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 20,
+                                                                      "line": 10,
+                                                                    },
+                                                                  },
+                                                                  "name": "exp",
+                                                                  "start": 156,
+                                                                  "type": "Identifier",
+                                                                },
+                                                              ],
+                                                              "callee": Object {
+                                                                "body": Object {
+                                                                  "body": Array [
+                                                                    Object {
+                                                                      "argument": Object {
+                                                                        "left": Object {
+                                                                          "left": Node {
+                                                                            "end": 37,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 12,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 11,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "name": "n",
+                                                                            "start": 36,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 16,
+                                                                              "line": 3,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 11,
+                                                                              "line": 3,
+                                                                            },
+                                                                          },
+                                                                          "operator": "%",
+                                                                          "right": Node {
+                                                                            "end": 41,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 16,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 15,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "raw": "2",
+                                                                            "start": 40,
+                                                                            "type": "Literal",
+                                                                            "value": 2,
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 22,
+                                                                            "line": 3,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 11,
+                                                                            "line": 3,
+                                                                          },
+                                                                        },
+                                                                        "operator": "===",
+                                                                        "right": Node {
+                                                                          "end": 47,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 22,
+                                                                              "line": 3,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 21,
+                                                                              "line": 3,
+                                                                            },
+                                                                          },
+                                                                          "raw": "0",
+                                                                          "start": 46,
+                                                                          "type": "Literal",
+                                                                          "value": 0,
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 23,
+                                                                          "line": 3,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 4,
+                                                                          "line": 3,
+                                                                        },
+                                                                      },
+                                                                      "type": "ReturnStatement",
+                                                                    },
+                                                                  ],
+                                                                  "type": "BlockStatement",
+                                                                },
+                                                                "id": Node {
+                                                                  "end": 19,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 18,
+                                                                      "line": 2,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 11,
+                                                                      "line": 2,
+                                                                    },
+                                                                  },
+                                                                  "name": "is_even",
+                                                                  "start": 12,
+                                                                  "type": "Identifier",
+                                                                },
+                                                                "loc": undefined,
+                                                                "params": Array [
+                                                                  Node {
+                                                                    "end": 21,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 20,
+                                                                        "line": 2,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 19,
+                                                                        "line": 2,
+                                                                      },
+                                                                    },
+                                                                    "name": "n",
+                                                                    "start": 20,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                ],
+                                                                "type": "FunctionExpression",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 24,
+                                                                  "line": 10,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 12,
+                                                                  "line": 10,
+                                                                },
+                                                              },
+                                                              "type": "CallExpression",
+                                                            },
+                                                            "type": "IfStatement",
+                                                          },
+                                                        ],
+                                                        "type": "BlockStatement",
+                                                      },
+                                                      "consequent": Object {
+                                                        "body": Array [
+                                                          Object {
+                                                            "argument": Node {
+                                                              "end": 121,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 16,
+                                                                  "line": 8,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 15,
+                                                                  "line": 8,
+                                                                },
+                                                              },
+                                                              "raw": "1",
+                                                              "start": 120,
+                                                              "type": "Literal",
+                                                              "value": 1,
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 17,
+                                                                "line": 8,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 8,
+                                                                "line": 8,
+                                                              },
+                                                            },
+                                                            "type": "ReturnStatement",
+                                                          },
+                                                        ],
+                                                        "type": "BlockStatement",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 5,
+                                                          "line": 16,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 4,
+                                                          "line": 7,
+                                                        },
+                                                      },
+                                                      "test": Object {
+                                                        "left": Node {
+                                                          "end": 95,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 11,
+                                                              "line": 7,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 8,
+                                                              "line": 7,
+                                                            },
+                                                          },
+                                                          "name": "exp",
+                                                          "start": 92,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 17,
+                                                            "line": 7,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 8,
+                                                            "line": 7,
+                                                          },
+                                                        },
+                                                        "operator": "===",
+                                                        "right": Node {
+                                                          "end": 101,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 17,
+                                                              "line": 7,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 16,
+                                                              "line": 7,
+                                                            },
+                                                          },
+                                                          "raw": "0",
+                                                          "start": 100,
+                                                          "type": "Literal",
+                                                          "value": 0,
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "type": "IfStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                                "id": Node {
+                                                  "end": 67,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 15,
+                                                      "line": 6,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 9,
+                                                      "line": 6,
+                                                    },
+                                                  },
+                                                  "name": "expmod",
+                                                  "start": 61,
+                                                  "type": "Identifier",
+                                                },
+                                                "loc": undefined,
+                                                "params": Array [
+                                                  Node {
+                                                    "end": 72,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 20,
+                                                        "line": 6,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 16,
+                                                        "line": 6,
+                                                      },
+                                                    },
+                                                    "name": "base",
+                                                    "start": 68,
+                                                    "type": "Identifier",
+                                                  },
+                                                  Node {
+                                                    "end": 77,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 25,
+                                                        "line": 6,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 22,
+                                                        "line": 6,
+                                                      },
+                                                    },
+                                                    "name": "exp",
+                                                    "start": 74,
+                                                    "type": "Identifier",
+                                                  },
+                                                  Node {
+                                                    "end": 80,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 28,
+                                                        "line": 6,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 27,
+                                                        "line": 6,
+                                                      },
+                                                    },
+                                                    "name": "m",
+                                                    "start": 79,
+                                                    "type": "Identifier",
+                                                  },
+                                                ],
+                                                "type": "FunctionExpression",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 52,
+                                                  "line": 11,
+                                                },
+                                                "start": Position {
+                                                  "column": 28,
+                                                  "line": 11,
+                                                },
+                                              },
+                                              "type": "CallExpression",
+                                            },
+                                            "loc": undefined,
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Object {
+                                              "name": "to_half",
+                                              "type": "Identifier",
+                                            },
+                                            "init": Object {
+                                              "arguments": Array [
+                                                Object {
+                                                  "loc": undefined,
+                                                  "type": "Literal",
+                                                  "value": 4,
+                                                },
+                                                Node {
+                                                  "end": 1,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 1,
+                                                      "line": 1,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 0,
+                                                      "line": 1,
+                                                    },
+                                                  },
+                                                  "raw": "1",
+                                                  "start": 0,
+                                                  "type": "Literal",
+                                                  "value": 1,
+                                                },
+                                                Object {
+                                                  "loc": undefined,
+                                                  "type": "Literal",
+                                                  "value": 5,
+                                                },
+                                              ],
+                                              "callee": Object {
+                                                "body": Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "alternate": Object {
+                                                        "body": Array [
+                                                          Object {
+                                                            "alternate": Object {
+                                                              "body": Array [
+                                                                Object {
+                                                                  "argument": Object {
+                                                                    "left": Object {
+                                                                      "left": Node {
+                                                                        "end": 300,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 23,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "name": "base",
+                                                                        "start": 296,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 50,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "operator": "*",
+                                                                      "right": Object {
+                                                                        "arguments": Array [
+                                                                          Node {
+                                                                            "end": 314,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 37,
+                                                                                "line": 14,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 33,
+                                                                                "line": 14,
+                                                                              },
+                                                                            },
+                                                                            "name": "base",
+                                                                            "start": 310,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          Object {
+                                                                            "left": Node {
+                                                                              "end": 319,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 42,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 39,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "name": "exp",
+                                                                              "start": 316,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 46,
+                                                                                "line": 14,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 39,
+                                                                                "line": 14,
+                                                                              },
+                                                                            },
+                                                                            "operator": "-",
+                                                                            "right": Node {
+                                                                              "end": 323,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 46,
+                                                                                  "line": 14,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 45,
+                                                                                  "line": 14,
+                                                                                },
+                                                                              },
+                                                                              "raw": "1",
+                                                                              "start": 322,
+                                                                              "type": "Literal",
+                                                                              "value": 1,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          Node {
+                                                                            "end": 326,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 49,
+                                                                                "line": 14,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 48,
+                                                                                "line": 14,
+                                                                              },
+                                                                            },
+                                                                            "name": "m",
+                                                                            "start": 325,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                        ],
+                                                                        "callee": [Circular],
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 50,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 26,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "type": "CallExpression",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 54,
+                                                                        "line": 14,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 19,
+                                                                        "line": 14,
+                                                                      },
+                                                                    },
+                                                                    "operator": "%",
+                                                                    "right": Node {
+                                                                      "end": 331,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 54,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 53,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "name": "m",
+                                                                      "start": 330,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    "type": "BinaryExpression",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 55,
+                                                                      "line": 14,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 12,
+                                                                      "line": 14,
+                                                                    },
+                                                                  },
+                                                                  "type": "ReturnStatement",
+                                                                },
+                                                              ],
+                                                              "type": "BlockStatement",
+                                                            },
+                                                            "consequent": Object {
+                                                              "body": Array [
+                                                                Object {
+                                                                  "declarations": Array [
+                                                                    Object {
+                                                                      "id": Node {
+                                                                        "end": 189,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 25,
+                                                                            "line": 11,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 18,
+                                                                            "line": 11,
+                                                                          },
+                                                                        },
+                                                                        "name": "to_half",
+                                                                        "start": 182,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "init": Object {
+                                                                        "arguments": Array [
+                                                                          Node {
+                                                                            "end": 203,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 39,
+                                                                                "line": 11,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 35,
+                                                                                "line": 11,
+                                                                              },
+                                                                            },
+                                                                            "name": "base",
+                                                                            "start": 199,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          Object {
+                                                                            "left": Node {
+                                                                              "end": 208,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 44,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 41,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "name": "exp",
+                                                                              "start": 205,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 48,
+                                                                                "line": 11,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 41,
+                                                                                "line": 11,
+                                                                              },
+                                                                            },
+                                                                            "operator": "/",
+                                                                            "right": Node {
+                                                                              "end": 212,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 48,
+                                                                                  "line": 11,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 47,
+                                                                                  "line": 11,
+                                                                                },
+                                                                              },
+                                                                              "raw": "2",
+                                                                              "start": 211,
+                                                                              "type": "Literal",
+                                                                              "value": 2,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          Node {
+                                                                            "end": 215,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 51,
+                                                                                "line": 11,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 50,
+                                                                                "line": 11,
+                                                                              },
+                                                                            },
+                                                                            "name": "m",
+                                                                            "start": 214,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                        ],
+                                                                        "callee": [Circular],
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 52,
+                                                                            "line": 11,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 28,
+                                                                            "line": 11,
+                                                                          },
+                                                                        },
+                                                                        "type": "CallExpression",
+                                                                      },
+                                                                      "loc": undefined,
+                                                                      "type": "VariableDeclarator",
+                                                                    },
+                                                                  ],
+                                                                  "kind": "const",
+                                                                  "loc": undefined,
+                                                                  "type": "VariableDeclaration",
+                                                                },
+                                                                Object {
+                                                                  "argument": Object {
+                                                                    "left": Object {
+                                                                      "left": Node {
+                                                                        "end": 244,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 26,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 19,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "name": "to_half",
+                                                                        "start": 237,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 36,
+                                                                          "line": 12,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 19,
+                                                                          "line": 12,
+                                                                        },
+                                                                      },
+                                                                      "operator": "*",
+                                                                      "right": Node {
+                                                                        "end": 254,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 36,
+                                                                            "line": 12,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 29,
+                                                                            "line": 12,
+                                                                          },
+                                                                        },
+                                                                        "name": "to_half",
+                                                                        "start": 247,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 40,
+                                                                        "line": 12,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 19,
+                                                                        "line": 12,
+                                                                      },
+                                                                    },
+                                                                    "operator": "%",
+                                                                    "right": Node {
+                                                                      "end": 258,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 40,
+                                                                          "line": 12,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 39,
+                                                                          "line": 12,
+                                                                        },
+                                                                      },
+                                                                      "name": "m",
+                                                                      "start": 257,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    "type": "BinaryExpression",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 41,
+                                                                      "line": 12,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 12,
+                                                                      "line": 12,
+                                                                    },
+                                                                  },
+                                                                  "type": "ReturnStatement",
+                                                                },
+                                                              ],
+                                                              "type": "BlockStatement",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 9,
+                                                                "line": 15,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 8,
+                                                                "line": 10,
+                                                              },
+                                                            },
+                                                            "test": Object {
+                                                              "arguments": Array [
+                                                                Node {
+                                                                  "end": 159,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 23,
+                                                                      "line": 10,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 20,
+                                                                      "line": 10,
+                                                                    },
+                                                                  },
+                                                                  "name": "exp",
+                                                                  "start": 156,
+                                                                  "type": "Identifier",
+                                                                },
+                                                              ],
+                                                              "callee": Object {
+                                                                "body": Object {
+                                                                  "body": Array [
+                                                                    Object {
+                                                                      "argument": Object {
+                                                                        "left": Object {
+                                                                          "left": Node {
+                                                                            "end": 37,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 12,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 11,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "name": "n",
+                                                                            "start": 36,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 16,
+                                                                              "line": 3,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 11,
+                                                                              "line": 3,
+                                                                            },
+                                                                          },
+                                                                          "operator": "%",
+                                                                          "right": Node {
+                                                                            "end": 41,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 16,
+                                                                                "line": 3,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 15,
+                                                                                "line": 3,
+                                                                              },
+                                                                            },
+                                                                            "raw": "2",
+                                                                            "start": 40,
+                                                                            "type": "Literal",
+                                                                            "value": 2,
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 22,
+                                                                            "line": 3,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 11,
+                                                                            "line": 3,
+                                                                          },
+                                                                        },
+                                                                        "operator": "===",
+                                                                        "right": Node {
+                                                                          "end": 47,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 22,
+                                                                              "line": 3,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 21,
+                                                                              "line": 3,
+                                                                            },
+                                                                          },
+                                                                          "raw": "0",
+                                                                          "start": 46,
+                                                                          "type": "Literal",
+                                                                          "value": 0,
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 23,
+                                                                          "line": 3,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 4,
+                                                                          "line": 3,
+                                                                        },
+                                                                      },
+                                                                      "type": "ReturnStatement",
+                                                                    },
+                                                                  ],
+                                                                  "type": "BlockStatement",
+                                                                },
+                                                                "id": Node {
+                                                                  "end": 19,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 18,
+                                                                      "line": 2,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 11,
+                                                                      "line": 2,
+                                                                    },
+                                                                  },
+                                                                  "name": "is_even",
+                                                                  "start": 12,
+                                                                  "type": "Identifier",
+                                                                },
+                                                                "loc": undefined,
+                                                                "params": Array [
+                                                                  Node {
+                                                                    "end": 21,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 20,
+                                                                        "line": 2,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 19,
+                                                                        "line": 2,
+                                                                      },
+                                                                    },
+                                                                    "name": "n",
+                                                                    "start": 20,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                ],
+                                                                "type": "FunctionExpression",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 24,
+                                                                  "line": 10,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 12,
+                                                                  "line": 10,
+                                                                },
+                                                              },
+                                                              "type": "CallExpression",
+                                                            },
+                                                            "type": "IfStatement",
+                                                          },
+                                                        ],
+                                                        "type": "BlockStatement",
+                                                      },
+                                                      "consequent": Object {
+                                                        "body": Array [
+                                                          Object {
+                                                            "argument": Node {
+                                                              "end": 121,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 16,
+                                                                  "line": 8,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 15,
+                                                                  "line": 8,
+                                                                },
+                                                              },
+                                                              "raw": "1",
+                                                              "start": 120,
+                                                              "type": "Literal",
+                                                              "value": 1,
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 17,
+                                                                "line": 8,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 8,
+                                                                "line": 8,
+                                                              },
+                                                            },
+                                                            "type": "ReturnStatement",
+                                                          },
+                                                        ],
+                                                        "type": "BlockStatement",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 5,
+                                                          "line": 16,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 4,
+                                                          "line": 7,
+                                                        },
+                                                      },
+                                                      "test": Object {
+                                                        "left": Node {
+                                                          "end": 95,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 11,
+                                                              "line": 7,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 8,
+                                                              "line": 7,
+                                                            },
+                                                          },
+                                                          "name": "exp",
+                                                          "start": 92,
+                                                          "type": "Identifier",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 17,
+                                                            "line": 7,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 8,
+                                                            "line": 7,
+                                                          },
+                                                        },
+                                                        "operator": "===",
+                                                        "right": Node {
+                                                          "end": 101,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 17,
+                                                              "line": 7,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 16,
+                                                              "line": 7,
+                                                            },
+                                                          },
+                                                          "raw": "0",
+                                                          "start": 100,
+                                                          "type": "Literal",
+                                                          "value": 0,
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "type": "IfStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                                "id": Node {
+                                                  "end": 67,
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 15,
+                                                      "line": 6,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 9,
+                                                      "line": 6,
+                                                    },
+                                                  },
+                                                  "name": "expmod",
+                                                  "start": 61,
+                                                  "type": "Identifier",
+                                                },
+                                                "loc": undefined,
+                                                "params": Array [
+                                                  Node {
+                                                    "end": 72,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 20,
+                                                        "line": 6,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 16,
+                                                        "line": 6,
+                                                      },
+                                                    },
+                                                    "name": "base",
+                                                    "start": 68,
+                                                    "type": "Identifier",
+                                                  },
+                                                  Node {
+                                                    "end": 77,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 25,
+                                                        "line": 6,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 22,
+                                                        "line": 6,
+                                                      },
+                                                    },
+                                                    "name": "exp",
+                                                    "start": 74,
+                                                    "type": "Identifier",
+                                                  },
+                                                  Node {
+                                                    "end": 80,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 28,
+                                                        "line": 6,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 27,
+                                                        "line": 6,
+                                                      },
+                                                    },
+                                                    "name": "m",
+                                                    "start": 79,
+                                                    "type": "Identifier",
+                                                  },
+                                                ],
+                                                "type": "FunctionExpression",
+                                              },
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 52,
+                                                  "line": 11,
+                                                },
+                                                "start": Position {
+                                                  "column": 28,
+                                                  "line": 11,
+                                                },
+                                              },
+                                              "type": "CallExpression",
+                                            },
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Object {
+                                              "name": "to_half",
+                                              "type": "Identifier",
+                                            },
+                                            "init": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "alternate": Object {
+                                                    "body": Array [
+                                                      Object {
+                                                        "alternate": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "argument": Object {
+                                                                "left": Object {
+                                                                  "left": Object {
+                                                                    "loc": undefined,
+                                                                    "type": "Literal",
+                                                                    "value": 4,
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 50,
+                                                                      "line": 14,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 19,
+                                                                      "line": 14,
+                                                                    },
+                                                                  },
+                                                                  "operator": "*",
+                                                                  "right": Object {
+                                                                    "arguments": Array [
+                                                                      Object {
+                                                                        "loc": undefined,
+                                                                        "type": "Literal",
+                                                                        "value": 4,
+                                                                      },
+                                                                      Object {
+                                                                        "left": Object {
+                                                                          "loc": undefined,
+                                                                          "type": "Literal",
+                                                                          "value": 1,
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 46,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 39,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "operator": "-",
+                                                                        "right": Node {
+                                                                          "end": 323,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 46,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 45,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "raw": "1",
+                                                                          "start": 322,
+                                                                          "type": "Literal",
+                                                                          "value": 1,
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      Object {
+                                                                        "loc": undefined,
+                                                                        "type": "Literal",
+                                                                        "value": 5,
+                                                                      },
+                                                                    ],
+                                                                    "callee": Object {
+                                                                      "body": Object {
+                                                                        "body": Array [
+                                                                          Object {
+                                                                            "alternate": Object {
+                                                                              "body": Array [
+                                                                                Object {
+                                                                                  "alternate": Object {
+                                                                                    "body": Array [
+                                                                                      Object {
+                                                                                        "argument": Object {
+                                                                                          "left": Object {
+                                                                                            "left": Node {
+                                                                                              "end": 300,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 23,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 19,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "base",
+                                                                                              "start": 296,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 50,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "operator": "*",
+                                                                                            "right": Object {
+                                                                                              "arguments": Array [
+                                                                                                Node {
+                                                                                                  "end": 314,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 37,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 33,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "base",
+                                                                                                  "start": 310,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                Object {
+                                                                                                  "left": Node {
+                                                                                                    "end": 319,
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 42,
+                                                                                                        "line": 14,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 39,
+                                                                                                        "line": 14,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "name": "exp",
+                                                                                                    "start": 316,
+                                                                                                    "type": "Identifier",
+                                                                                                  },
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 46,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 39,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "operator": "-",
+                                                                                                  "right": Node {
+                                                                                                    "end": 323,
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 46,
+                                                                                                        "line": 14,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 45,
+                                                                                                        "line": 14,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "raw": "1",
+                                                                                                    "start": 322,
+                                                                                                    "type": "Literal",
+                                                                                                    "value": 1,
+                                                                                                  },
+                                                                                                  "type": "BinaryExpression",
+                                                                                                },
+                                                                                                Node {
+                                                                                                  "end": 326,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 49,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 48,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "m",
+                                                                                                  "start": 325,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                              ],
+                                                                                              "callee": [Circular],
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 50,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 26,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                              },
+                                                                                              "type": "CallExpression",
+                                                                                            },
+                                                                                            "type": "BinaryExpression",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 54,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "%",
+                                                                                          "right": Node {
+                                                                                            "end": 331,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 54,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 53,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "m",
+                                                                                            "start": 330,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 55,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 12,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                        },
+                                                                                        "type": "ReturnStatement",
+                                                                                      },
+                                                                                    ],
+                                                                                    "type": "BlockStatement",
+                                                                                  },
+                                                                                  "consequent": Object {
+                                                                                    "body": Array [
+                                                                                      Object {
+                                                                                        "declarations": Array [
+                                                                                          Object {
+                                                                                            "id": Node {
+                                                                                              "end": 189,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 25,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 18,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "to_half",
+                                                                                              "start": 182,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            "init": Object {
+                                                                                              "arguments": Array [
+                                                                                                Node {
+                                                                                                  "end": 203,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 39,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 35,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "base",
+                                                                                                  "start": 199,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                Object {
+                                                                                                  "left": Node {
+                                                                                                    "end": 208,
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 44,
+                                                                                                        "line": 11,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 41,
+                                                                                                        "line": 11,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "name": "exp",
+                                                                                                    "start": 205,
+                                                                                                    "type": "Identifier",
+                                                                                                  },
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 48,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 41,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "operator": "/",
+                                                                                                  "right": Node {
+                                                                                                    "end": 212,
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 48,
+                                                                                                        "line": 11,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 47,
+                                                                                                        "line": 11,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "raw": "2",
+                                                                                                    "start": 211,
+                                                                                                    "type": "Literal",
+                                                                                                    "value": 2,
+                                                                                                  },
+                                                                                                  "type": "BinaryExpression",
+                                                                                                },
+                                                                                                Node {
+                                                                                                  "end": 215,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 51,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 50,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "m",
+                                                                                                  "start": 214,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                              ],
+                                                                                              "callee": [Circular],
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 52,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 28,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                              },
+                                                                                              "type": "CallExpression",
+                                                                                            },
+                                                                                            "loc": undefined,
+                                                                                            "type": "VariableDeclarator",
+                                                                                          },
+                                                                                        ],
+                                                                                        "kind": "const",
+                                                                                        "loc": undefined,
+                                                                                        "type": "VariableDeclaration",
+                                                                                      },
+                                                                                      Object {
+                                                                                        "argument": Object {
+                                                                                          "left": Object {
+                                                                                            "left": Node {
+                                                                                              "end": 244,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 26,
+                                                                                                  "line": 12,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 19,
+                                                                                                  "line": 12,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "to_half",
+                                                                                              "start": 237,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 36,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "operator": "*",
+                                                                                            "right": Node {
+                                                                                              "end": 254,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 36,
+                                                                                                  "line": 12,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 29,
+                                                                                                  "line": 12,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "to_half",
+                                                                                              "start": 247,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            "type": "BinaryExpression",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 40,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "%",
+                                                                                          "right": Node {
+                                                                                            "end": 258,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 40,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 39,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "m",
+                                                                                            "start": 257,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 41,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 12,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                        },
+                                                                                        "type": "ReturnStatement",
+                                                                                      },
+                                                                                    ],
+                                                                                    "type": "BlockStatement",
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 9,
+                                                                                      "line": 15,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 8,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                  },
+                                                                                  "test": Object {
+                                                                                    "arguments": Array [
+                                                                                      Node {
+                                                                                        "end": 159,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 23,
+                                                                                            "line": 10,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 20,
+                                                                                            "line": 10,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "exp",
+                                                                                        "start": 156,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                    ],
+                                                                                    "callee": Object {
+                                                                                      "body": Object {
+                                                                                        "body": Array [
+                                                                                          Object {
+                                                                                            "argument": Object {
+                                                                                              "left": Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 37,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 12,
+                                                                                                      "line": 3,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 11,
+                                                                                                      "line": 3,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "n",
+                                                                                                  "start": 36,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 16,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 11,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "%",
+                                                                                                "right": Node {
+                                                                                                  "end": 41,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 16,
+                                                                                                      "line": 3,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 15,
+                                                                                                      "line": 3,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "2",
+                                                                                                  "start": 40,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 2,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 22,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 11,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "operator": "===",
+                                                                                              "right": Node {
+                                                                                                "end": 47,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 22,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 21,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "raw": "0",
+                                                                                                "start": 46,
+                                                                                                "type": "Literal",
+                                                                                                "value": 0,
+                                                                                              },
+                                                                                              "type": "BinaryExpression",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 23,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 4,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "ReturnStatement",
+                                                                                          },
+                                                                                        ],
+                                                                                        "type": "BlockStatement",
+                                                                                      },
+                                                                                      "id": Node {
+                                                                                        "end": 19,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 18,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 11,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "is_even",
+                                                                                        "start": 12,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                      "loc": undefined,
+                                                                                      "params": Array [
+                                                                                        Node {
+                                                                                          "end": 21,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 20,
+                                                                                              "line": 2,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 2,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "n",
+                                                                                          "start": 20,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                      ],
+                                                                                      "type": "FunctionExpression",
+                                                                                    },
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 24,
+                                                                                        "line": 10,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 12,
+                                                                                        "line": 10,
+                                                                                      },
+                                                                                    },
+                                                                                    "type": "CallExpression",
+                                                                                  },
+                                                                                  "type": "IfStatement",
+                                                                                },
+                                                                              ],
+                                                                              "type": "BlockStatement",
+                                                                            },
+                                                                            "consequent": Object {
+                                                                              "body": Array [
+                                                                                Object {
+                                                                                  "argument": Node {
+                                                                                    "end": 121,
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 16,
+                                                                                        "line": 8,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 15,
+                                                                                        "line": 8,
+                                                                                      },
+                                                                                    },
+                                                                                    "raw": "1",
+                                                                                    "start": 120,
+                                                                                    "type": "Literal",
+                                                                                    "value": 1,
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 17,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 8,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                  },
+                                                                                  "type": "ReturnStatement",
+                                                                                },
+                                                                              ],
+                                                                              "type": "BlockStatement",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 5,
+                                                                                "line": 16,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 4,
+                                                                                "line": 7,
+                                                                              },
+                                                                            },
+                                                                            "test": Object {
+                                                                              "left": Node {
+                                                                                "end": 95,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 11,
+                                                                                    "line": 7,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 7,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 92,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 17,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 8,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "operator": "===",
+                                                                              "right": Node {
+                                                                                "end": 101,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 17,
+                                                                                    "line": 7,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 16,
+                                                                                    "line": 7,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "0",
+                                                                                "start": 100,
+                                                                                "type": "Literal",
+                                                                                "value": 0,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            "type": "IfStatement",
+                                                                          },
+                                                                        ],
+                                                                        "type": "BlockStatement",
+                                                                      },
+                                                                      "id": Node {
+                                                                        "end": 67,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 15,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 9,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "expmod",
+                                                                        "start": 61,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "loc": undefined,
+                                                                      "params": Array [
+                                                                        Node {
+                                                                          "end": 72,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 20,
+                                                                              "line": 6,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 16,
+                                                                              "line": 6,
+                                                                            },
+                                                                          },
+                                                                          "name": "base",
+                                                                          "start": 68,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        Node {
+                                                                          "end": 77,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 25,
+                                                                              "line": 6,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 22,
+                                                                              "line": 6,
+                                                                            },
+                                                                          },
+                                                                          "name": "exp",
+                                                                          "start": 74,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        Node {
+                                                                          "end": 80,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 28,
+                                                                              "line": 6,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 27,
+                                                                              "line": 6,
+                                                                            },
+                                                                          },
+                                                                          "name": "m",
+                                                                          "start": 79,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                      ],
+                                                                      "type": "FunctionExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 50,
+                                                                        "line": 14,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 26,
+                                                                        "line": 14,
+                                                                      },
+                                                                    },
+                                                                    "type": "CallExpression",
+                                                                  },
+                                                                  "type": "BinaryExpression",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 54,
+                                                                    "line": 14,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 19,
+                                                                    "line": 14,
+                                                                  },
+                                                                },
+                                                                "operator": "%",
+                                                                "right": Object {
+                                                                  "loc": undefined,
+                                                                  "type": "Literal",
+                                                                  "value": 5,
+                                                                },
+                                                                "type": "BinaryExpression",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 55,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 12,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "type": "ReturnStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "consequent": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "declarations": Array [
+                                                                Object {
+                                                                  "id": Node {
+                                                                    "end": 189,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 25,
+                                                                        "line": 11,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 18,
+                                                                        "line": 11,
+                                                                      },
+                                                                    },
+                                                                    "name": "to_half",
+                                                                    "start": 182,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                  "init": Object {
+                                                                    "arguments": Array [
+                                                                      Object {
+                                                                        "loc": undefined,
+                                                                        "type": "Literal",
+                                                                        "value": 4,
+                                                                      },
+                                                                      Object {
+                                                                        "left": Object {
+                                                                          "loc": undefined,
+                                                                          "type": "Literal",
+                                                                          "value": 1,
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 48,
+                                                                            "line": 11,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 41,
+                                                                            "line": 11,
+                                                                          },
+                                                                        },
+                                                                        "operator": "/",
+                                                                        "right": Node {
+                                                                          "end": 212,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 48,
+                                                                              "line": 11,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 47,
+                                                                              "line": 11,
+                                                                            },
+                                                                          },
+                                                                          "raw": "2",
+                                                                          "start": 211,
+                                                                          "type": "Literal",
+                                                                          "value": 2,
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      Object {
+                                                                        "loc": undefined,
+                                                                        "type": "Literal",
+                                                                        "value": 5,
+                                                                      },
+                                                                    ],
+                                                                    "callee": Object {
+                                                                      "body": Object {
+                                                                        "body": Array [
+                                                                          Object {
+                                                                            "alternate": Object {
+                                                                              "body": Array [
+                                                                                Object {
+                                                                                  "alternate": Object {
+                                                                                    "body": Array [
+                                                                                      Object {
+                                                                                        "argument": Object {
+                                                                                          "left": Object {
+                                                                                            "left": Node {
+                                                                                              "end": 300,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 23,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 19,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "base",
+                                                                                              "start": 296,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 50,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "operator": "*",
+                                                                                            "right": Object {
+                                                                                              "arguments": Array [
+                                                                                                Node {
+                                                                                                  "end": 314,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 37,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 33,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "base",
+                                                                                                  "start": 310,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                Object {
+                                                                                                  "left": Node {
+                                                                                                    "end": 319,
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 42,
+                                                                                                        "line": 14,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 39,
+                                                                                                        "line": 14,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "name": "exp",
+                                                                                                    "start": 316,
+                                                                                                    "type": "Identifier",
+                                                                                                  },
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 46,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 39,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "operator": "-",
+                                                                                                  "right": Node {
+                                                                                                    "end": 323,
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 46,
+                                                                                                        "line": 14,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 45,
+                                                                                                        "line": 14,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "raw": "1",
+                                                                                                    "start": 322,
+                                                                                                    "type": "Literal",
+                                                                                                    "value": 1,
+                                                                                                  },
+                                                                                                  "type": "BinaryExpression",
+                                                                                                },
+                                                                                                Node {
+                                                                                                  "end": 326,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 49,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 48,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "m",
+                                                                                                  "start": 325,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                              ],
+                                                                                              "callee": [Circular],
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 50,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 26,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                              },
+                                                                                              "type": "CallExpression",
+                                                                                            },
+                                                                                            "type": "BinaryExpression",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 54,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "%",
+                                                                                          "right": Node {
+                                                                                            "end": 331,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 54,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 53,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "m",
+                                                                                            "start": 330,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 55,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 12,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                        },
+                                                                                        "type": "ReturnStatement",
+                                                                                      },
+                                                                                    ],
+                                                                                    "type": "BlockStatement",
+                                                                                  },
+                                                                                  "consequent": Object {
+                                                                                    "body": Array [
+                                                                                      Object {
+                                                                                        "declarations": Array [
+                                                                                          Object {
+                                                                                            "id": Node {
+                                                                                              "end": 189,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 25,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 18,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "to_half",
+                                                                                              "start": 182,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            "init": Object {
+                                                                                              "arguments": Array [
+                                                                                                Node {
+                                                                                                  "end": 203,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 39,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 35,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "base",
+                                                                                                  "start": 199,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                Object {
+                                                                                                  "left": Node {
+                                                                                                    "end": 208,
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 44,
+                                                                                                        "line": 11,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 41,
+                                                                                                        "line": 11,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "name": "exp",
+                                                                                                    "start": 205,
+                                                                                                    "type": "Identifier",
+                                                                                                  },
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 48,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 41,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "operator": "/",
+                                                                                                  "right": Node {
+                                                                                                    "end": 212,
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 48,
+                                                                                                        "line": 11,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 47,
+                                                                                                        "line": 11,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "raw": "2",
+                                                                                                    "start": 211,
+                                                                                                    "type": "Literal",
+                                                                                                    "value": 2,
+                                                                                                  },
+                                                                                                  "type": "BinaryExpression",
+                                                                                                },
+                                                                                                Node {
+                                                                                                  "end": 215,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 51,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 50,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "m",
+                                                                                                  "start": 214,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                              ],
+                                                                                              "callee": [Circular],
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 52,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 28,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                              },
+                                                                                              "type": "CallExpression",
+                                                                                            },
+                                                                                            "loc": undefined,
+                                                                                            "type": "VariableDeclarator",
+                                                                                          },
+                                                                                        ],
+                                                                                        "kind": "const",
+                                                                                        "loc": undefined,
+                                                                                        "type": "VariableDeclaration",
+                                                                                      },
+                                                                                      Object {
+                                                                                        "argument": Object {
+                                                                                          "left": Object {
+                                                                                            "left": Node {
+                                                                                              "end": 244,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 26,
+                                                                                                  "line": 12,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 19,
+                                                                                                  "line": 12,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "to_half",
+                                                                                              "start": 237,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 36,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "operator": "*",
+                                                                                            "right": Node {
+                                                                                              "end": 254,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 36,
+                                                                                                  "line": 12,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 29,
+                                                                                                  "line": 12,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "to_half",
+                                                                                              "start": 247,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            "type": "BinaryExpression",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 40,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "%",
+                                                                                          "right": Node {
+                                                                                            "end": 258,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 40,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 39,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "m",
+                                                                                            "start": 257,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 41,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 12,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                        },
+                                                                                        "type": "ReturnStatement",
+                                                                                      },
+                                                                                    ],
+                                                                                    "type": "BlockStatement",
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 9,
+                                                                                      "line": 15,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 8,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                  },
+                                                                                  "test": Object {
+                                                                                    "arguments": Array [
+                                                                                      Node {
+                                                                                        "end": 159,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 23,
+                                                                                            "line": 10,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 20,
+                                                                                            "line": 10,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "exp",
+                                                                                        "start": 156,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                    ],
+                                                                                    "callee": Object {
+                                                                                      "body": Object {
+                                                                                        "body": Array [
+                                                                                          Object {
+                                                                                            "argument": Object {
+                                                                                              "left": Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 37,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 12,
+                                                                                                      "line": 3,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 11,
+                                                                                                      "line": 3,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "n",
+                                                                                                  "start": 36,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 16,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 11,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "%",
+                                                                                                "right": Node {
+                                                                                                  "end": 41,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 16,
+                                                                                                      "line": 3,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 15,
+                                                                                                      "line": 3,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "2",
+                                                                                                  "start": 40,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 2,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 22,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 11,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "operator": "===",
+                                                                                              "right": Node {
+                                                                                                "end": 47,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 22,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 21,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "raw": "0",
+                                                                                                "start": 46,
+                                                                                                "type": "Literal",
+                                                                                                "value": 0,
+                                                                                              },
+                                                                                              "type": "BinaryExpression",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 23,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 4,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "ReturnStatement",
+                                                                                          },
+                                                                                        ],
+                                                                                        "type": "BlockStatement",
+                                                                                      },
+                                                                                      "id": Node {
+                                                                                        "end": 19,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 18,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 11,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "is_even",
+                                                                                        "start": 12,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                      "loc": undefined,
+                                                                                      "params": Array [
+                                                                                        Node {
+                                                                                          "end": 21,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 20,
+                                                                                              "line": 2,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 2,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "n",
+                                                                                          "start": 20,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                      ],
+                                                                                      "type": "FunctionExpression",
+                                                                                    },
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 24,
+                                                                                        "line": 10,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 12,
+                                                                                        "line": 10,
+                                                                                      },
+                                                                                    },
+                                                                                    "type": "CallExpression",
+                                                                                  },
+                                                                                  "type": "IfStatement",
+                                                                                },
+                                                                              ],
+                                                                              "type": "BlockStatement",
+                                                                            },
+                                                                            "consequent": Object {
+                                                                              "body": Array [
+                                                                                Object {
+                                                                                  "argument": Node {
+                                                                                    "end": 121,
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 16,
+                                                                                        "line": 8,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 15,
+                                                                                        "line": 8,
+                                                                                      },
+                                                                                    },
+                                                                                    "raw": "1",
+                                                                                    "start": 120,
+                                                                                    "type": "Literal",
+                                                                                    "value": 1,
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 17,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 8,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                  },
+                                                                                  "type": "ReturnStatement",
+                                                                                },
+                                                                              ],
+                                                                              "type": "BlockStatement",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 5,
+                                                                                "line": 16,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 4,
+                                                                                "line": 7,
+                                                                              },
+                                                                            },
+                                                                            "test": Object {
+                                                                              "left": Node {
+                                                                                "end": 95,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 11,
+                                                                                    "line": 7,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 7,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 92,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 17,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 8,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "operator": "===",
+                                                                              "right": Node {
+                                                                                "end": 101,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 17,
+                                                                                    "line": 7,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 16,
+                                                                                    "line": 7,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "0",
+                                                                                "start": 100,
+                                                                                "type": "Literal",
+                                                                                "value": 0,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            "type": "IfStatement",
+                                                                          },
+                                                                        ],
+                                                                        "type": "BlockStatement",
+                                                                      },
+                                                                      "id": Node {
+                                                                        "end": 67,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 15,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 9,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "expmod",
+                                                                        "start": 61,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "loc": undefined,
+                                                                      "params": Array [
+                                                                        Node {
+                                                                          "end": 72,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 20,
+                                                                              "line": 6,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 16,
+                                                                              "line": 6,
+                                                                            },
+                                                                          },
+                                                                          "name": "base",
+                                                                          "start": 68,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        Node {
+                                                                          "end": 77,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 25,
+                                                                              "line": 6,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 22,
+                                                                              "line": 6,
+                                                                            },
+                                                                          },
+                                                                          "name": "exp",
+                                                                          "start": 74,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        Node {
+                                                                          "end": 80,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 28,
+                                                                              "line": 6,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 27,
+                                                                              "line": 6,
+                                                                            },
+                                                                          },
+                                                                          "name": "m",
+                                                                          "start": 79,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                      ],
+                                                                      "type": "FunctionExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 52,
+                                                                        "line": 11,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 28,
+                                                                        "line": 11,
+                                                                      },
+                                                                    },
+                                                                    "type": "CallExpression",
+                                                                  },
+                                                                  "loc": undefined,
+                                                                  "type": "VariableDeclarator",
+                                                                },
+                                                              ],
+                                                              "kind": "const",
+                                                              "loc": undefined,
+                                                              "type": "VariableDeclaration",
+                                                            },
+                                                            Object {
+                                                              "argument": Object {
+                                                                "left": Object {
+                                                                  "left": Node {
+                                                                    "end": 244,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 26,
+                                                                        "line": 12,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 19,
+                                                                        "line": 12,
+                                                                      },
+                                                                    },
+                                                                    "name": "to_half",
+                                                                    "start": 237,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 36,
+                                                                      "line": 12,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 19,
+                                                                      "line": 12,
+                                                                    },
+                                                                  },
+                                                                  "operator": "*",
+                                                                  "right": Node {
+                                                                    "end": 254,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 36,
+                                                                        "line": 12,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 29,
+                                                                        "line": 12,
+                                                                      },
+                                                                    },
+                                                                    "name": "to_half",
+                                                                    "start": 247,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                  "type": "BinaryExpression",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 40,
+                                                                    "line": 12,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 19,
+                                                                    "line": 12,
+                                                                  },
+                                                                },
+                                                                "operator": "%",
+                                                                "right": Object {
+                                                                  "loc": undefined,
+                                                                  "type": "Literal",
+                                                                  "value": 5,
+                                                                },
+                                                                "type": "BinaryExpression",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 41,
+                                                                  "line": 12,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 12,
+                                                                  "line": 12,
+                                                                },
+                                                              },
+                                                              "type": "ReturnStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 9,
+                                                            "line": 15,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 8,
+                                                            "line": 10,
+                                                          },
+                                                        },
+                                                        "test": Object {
+                                                          "arguments": Array [
+                                                            Object {
+                                                              "loc": undefined,
+                                                              "type": "Literal",
+                                                              "value": 1,
+                                                            },
+                                                          ],
+                                                          "callee": Object {
+                                                            "body": Object {
+                                                              "body": Array [
+                                                                Object {
+                                                                  "argument": Object {
+                                                                    "left": Object {
+                                                                      "left": Node {
+                                                                        "end": 37,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 12,
+                                                                            "line": 3,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 11,
+                                                                            "line": 3,
+                                                                          },
+                                                                        },
+                                                                        "name": "n",
+                                                                        "start": 36,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 16,
+                                                                          "line": 3,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 11,
+                                                                          "line": 3,
+                                                                        },
+                                                                      },
+                                                                      "operator": "%",
+                                                                      "right": Node {
+                                                                        "end": 41,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 16,
+                                                                            "line": 3,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 15,
+                                                                            "line": 3,
+                                                                          },
+                                                                        },
+                                                                        "raw": "2",
+                                                                        "start": 40,
+                                                                        "type": "Literal",
+                                                                        "value": 2,
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 22,
+                                                                        "line": 3,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 11,
+                                                                        "line": 3,
+                                                                      },
+                                                                    },
+                                                                    "operator": "===",
+                                                                    "right": Node {
+                                                                      "end": 47,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 22,
+                                                                          "line": 3,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 21,
+                                                                          "line": 3,
+                                                                        },
+                                                                      },
+                                                                      "raw": "0",
+                                                                      "start": 46,
+                                                                      "type": "Literal",
+                                                                      "value": 0,
+                                                                    },
+                                                                    "type": "BinaryExpression",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 23,
+                                                                      "line": 3,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 4,
+                                                                      "line": 3,
+                                                                    },
+                                                                  },
+                                                                  "type": "ReturnStatement",
+                                                                },
+                                                              ],
+                                                              "type": "BlockStatement",
+                                                            },
+                                                            "id": Node {
+                                                              "end": 19,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 18,
+                                                                  "line": 2,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 11,
+                                                                  "line": 2,
+                                                                },
+                                                              },
+                                                              "name": "is_even",
+                                                              "start": 12,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": undefined,
+                                                            "params": Array [
+                                                              Node {
+                                                                "end": 21,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 20,
+                                                                    "line": 2,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 19,
+                                                                    "line": 2,
+                                                                  },
+                                                                },
+                                                                "name": "n",
+                                                                "start": 20,
+                                                                "type": "Identifier",
+                                                              },
+                                                            ],
+                                                            "type": "FunctionExpression",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 24,
+                                                              "line": 10,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 12,
+                                                              "line": 10,
+                                                            },
+                                                          },
+                                                          "type": "CallExpression",
+                                                        },
+                                                        "type": "IfStatement",
+                                                      },
+                                                    ],
+                                                    "type": "BlockStatement",
+                                                  },
+                                                  "consequent": Object {
+                                                    "body": Array [
+                                                      Object {
+                                                        "argument": Node {
+                                                          "end": 121,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 16,
+                                                              "line": 8,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 15,
+                                                              "line": 8,
+                                                            },
+                                                          },
+                                                          "raw": "1",
+                                                          "start": 120,
+                                                          "type": "Literal",
+                                                          "value": 1,
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 17,
+                                                            "line": 8,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 8,
+                                                            "line": 8,
+                                                          },
+                                                        },
+                                                        "type": "ReturnStatement",
+                                                      },
+                                                    ],
+                                                    "type": "BlockStatement",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 5,
+                                                      "line": 16,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 4,
+                                                      "line": 7,
+                                                    },
+                                                  },
+                                                  "test": Object {
+                                                    "left": Object {
+                                                      "loc": undefined,
+                                                      "type": "Literal",
+                                                      "value": 1,
+                                                    },
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 17,
+                                                        "line": 7,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 8,
+                                                        "line": 7,
+                                                      },
+                                                    },
+                                                    "operator": "===",
+                                                    "right": Node {
+                                                      "end": 101,
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 17,
+                                                          "line": 7,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 16,
+                                                          "line": 7,
+                                                        },
+                                                      },
+                                                      "raw": "0",
+                                                      "start": 100,
+                                                      "type": "Literal",
+                                                      "value": 0,
+                                                    },
+                                                    "type": "BinaryExpression",
+                                                  },
+                                                  "type": "IfStatement",
+                                                },
+                                              ],
+                                              "loc": undefined,
+                                              "type": "BlockExpression",
+                                            },
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Object {
+                                              "name": "to_half",
+                                              "type": "Identifier",
+                                            },
+                                            "init": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "alternate": Object {
+                                                    "body": Array [
+                                                      Object {
+                                                        "alternate": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "argument": Object {
+                                                                "left": Object {
+                                                                  "left": Object {
+                                                                    "loc": undefined,
+                                                                    "type": "Literal",
+                                                                    "value": 4,
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 50,
+                                                                      "line": 14,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 19,
+                                                                      "line": 14,
+                                                                    },
+                                                                  },
+                                                                  "operator": "*",
+                                                                  "right": Object {
+                                                                    "arguments": Array [
+                                                                      Object {
+                                                                        "loc": undefined,
+                                                                        "type": "Literal",
+                                                                        "value": 4,
+                                                                      },
+                                                                      Object {
+                                                                        "left": Object {
+                                                                          "loc": undefined,
+                                                                          "type": "Literal",
+                                                                          "value": 1,
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 46,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 39,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "operator": "-",
+                                                                        "right": Node {
+                                                                          "end": 323,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 46,
+                                                                              "line": 14,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 45,
+                                                                              "line": 14,
+                                                                            },
+                                                                          },
+                                                                          "raw": "1",
+                                                                          "start": 322,
+                                                                          "type": "Literal",
+                                                                          "value": 1,
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      Object {
+                                                                        "loc": undefined,
+                                                                        "type": "Literal",
+                                                                        "value": 5,
+                                                                      },
+                                                                    ],
+                                                                    "callee": Object {
+                                                                      "body": Object {
+                                                                        "body": Array [
+                                                                          Object {
+                                                                            "alternate": Object {
+                                                                              "body": Array [
+                                                                                Object {
+                                                                                  "alternate": Object {
+                                                                                    "body": Array [
+                                                                                      Object {
+                                                                                        "argument": Object {
+                                                                                          "left": Object {
+                                                                                            "left": Node {
+                                                                                              "end": 300,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 23,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 19,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "base",
+                                                                                              "start": 296,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 50,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "operator": "*",
+                                                                                            "right": Object {
+                                                                                              "arguments": Array [
+                                                                                                Node {
+                                                                                                  "end": 314,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 37,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 33,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "base",
+                                                                                                  "start": 310,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                Object {
+                                                                                                  "left": Node {
+                                                                                                    "end": 319,
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 42,
+                                                                                                        "line": 14,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 39,
+                                                                                                        "line": 14,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "name": "exp",
+                                                                                                    "start": 316,
+                                                                                                    "type": "Identifier",
+                                                                                                  },
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 46,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 39,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "operator": "-",
+                                                                                                  "right": Node {
+                                                                                                    "end": 323,
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 46,
+                                                                                                        "line": 14,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 45,
+                                                                                                        "line": 14,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "raw": "1",
+                                                                                                    "start": 322,
+                                                                                                    "type": "Literal",
+                                                                                                    "value": 1,
+                                                                                                  },
+                                                                                                  "type": "BinaryExpression",
+                                                                                                },
+                                                                                                Node {
+                                                                                                  "end": 326,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 49,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 48,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "m",
+                                                                                                  "start": 325,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                              ],
+                                                                                              "callee": [Circular],
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 50,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 26,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                              },
+                                                                                              "type": "CallExpression",
+                                                                                            },
+                                                                                            "type": "BinaryExpression",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 54,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "%",
+                                                                                          "right": Node {
+                                                                                            "end": 331,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 54,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 53,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "m",
+                                                                                            "start": 330,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 55,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 12,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                        },
+                                                                                        "type": "ReturnStatement",
+                                                                                      },
+                                                                                    ],
+                                                                                    "type": "BlockStatement",
+                                                                                  },
+                                                                                  "consequent": Object {
+                                                                                    "body": Array [
+                                                                                      Object {
+                                                                                        "declarations": Array [
+                                                                                          Object {
+                                                                                            "id": Node {
+                                                                                              "end": 189,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 25,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 18,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "to_half",
+                                                                                              "start": 182,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            "init": Object {
+                                                                                              "arguments": Array [
+                                                                                                Node {
+                                                                                                  "end": 203,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 39,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 35,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "base",
+                                                                                                  "start": 199,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                Object {
+                                                                                                  "left": Node {
+                                                                                                    "end": 208,
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 44,
+                                                                                                        "line": 11,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 41,
+                                                                                                        "line": 11,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "name": "exp",
+                                                                                                    "start": 205,
+                                                                                                    "type": "Identifier",
+                                                                                                  },
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 48,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 41,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "operator": "/",
+                                                                                                  "right": Node {
+                                                                                                    "end": 212,
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 48,
+                                                                                                        "line": 11,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 47,
+                                                                                                        "line": 11,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "raw": "2",
+                                                                                                    "start": 211,
+                                                                                                    "type": "Literal",
+                                                                                                    "value": 2,
+                                                                                                  },
+                                                                                                  "type": "BinaryExpression",
+                                                                                                },
+                                                                                                Node {
+                                                                                                  "end": 215,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 51,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 50,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "m",
+                                                                                                  "start": 214,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                              ],
+                                                                                              "callee": [Circular],
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 52,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 28,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                              },
+                                                                                              "type": "CallExpression",
+                                                                                            },
+                                                                                            "loc": undefined,
+                                                                                            "type": "VariableDeclarator",
+                                                                                          },
+                                                                                        ],
+                                                                                        "kind": "const",
+                                                                                        "loc": undefined,
+                                                                                        "type": "VariableDeclaration",
+                                                                                      },
+                                                                                      Object {
+                                                                                        "argument": Object {
+                                                                                          "left": Object {
+                                                                                            "left": Node {
+                                                                                              "end": 244,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 26,
+                                                                                                  "line": 12,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 19,
+                                                                                                  "line": 12,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "to_half",
+                                                                                              "start": 237,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 36,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "operator": "*",
+                                                                                            "right": Node {
+                                                                                              "end": 254,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 36,
+                                                                                                  "line": 12,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 29,
+                                                                                                  "line": 12,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "to_half",
+                                                                                              "start": 247,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            "type": "BinaryExpression",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 40,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "%",
+                                                                                          "right": Node {
+                                                                                            "end": 258,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 40,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 39,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "m",
+                                                                                            "start": 257,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 41,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 12,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                        },
+                                                                                        "type": "ReturnStatement",
+                                                                                      },
+                                                                                    ],
+                                                                                    "type": "BlockStatement",
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 9,
+                                                                                      "line": 15,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 8,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                  },
+                                                                                  "test": Object {
+                                                                                    "arguments": Array [
+                                                                                      Node {
+                                                                                        "end": 159,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 23,
+                                                                                            "line": 10,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 20,
+                                                                                            "line": 10,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "exp",
+                                                                                        "start": 156,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                    ],
+                                                                                    "callee": Object {
+                                                                                      "body": Object {
+                                                                                        "body": Array [
+                                                                                          Object {
+                                                                                            "argument": Object {
+                                                                                              "left": Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 37,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 12,
+                                                                                                      "line": 3,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 11,
+                                                                                                      "line": 3,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "n",
+                                                                                                  "start": 36,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 16,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 11,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "%",
+                                                                                                "right": Node {
+                                                                                                  "end": 41,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 16,
+                                                                                                      "line": 3,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 15,
+                                                                                                      "line": 3,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "2",
+                                                                                                  "start": 40,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 2,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 22,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 11,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "operator": "===",
+                                                                                              "right": Node {
+                                                                                                "end": 47,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 22,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 21,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "raw": "0",
+                                                                                                "start": 46,
+                                                                                                "type": "Literal",
+                                                                                                "value": 0,
+                                                                                              },
+                                                                                              "type": "BinaryExpression",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 23,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 4,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "ReturnStatement",
+                                                                                          },
+                                                                                        ],
+                                                                                        "type": "BlockStatement",
+                                                                                      },
+                                                                                      "id": Node {
+                                                                                        "end": 19,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 18,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 11,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "is_even",
+                                                                                        "start": 12,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                      "loc": undefined,
+                                                                                      "params": Array [
+                                                                                        Node {
+                                                                                          "end": 21,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 20,
+                                                                                              "line": 2,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 2,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "n",
+                                                                                          "start": 20,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                      ],
+                                                                                      "type": "FunctionExpression",
+                                                                                    },
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 24,
+                                                                                        "line": 10,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 12,
+                                                                                        "line": 10,
+                                                                                      },
+                                                                                    },
+                                                                                    "type": "CallExpression",
+                                                                                  },
+                                                                                  "type": "IfStatement",
+                                                                                },
+                                                                              ],
+                                                                              "type": "BlockStatement",
+                                                                            },
+                                                                            "consequent": Object {
+                                                                              "body": Array [
+                                                                                Object {
+                                                                                  "argument": Node {
+                                                                                    "end": 121,
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 16,
+                                                                                        "line": 8,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 15,
+                                                                                        "line": 8,
+                                                                                      },
+                                                                                    },
+                                                                                    "raw": "1",
+                                                                                    "start": 120,
+                                                                                    "type": "Literal",
+                                                                                    "value": 1,
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 17,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 8,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                  },
+                                                                                  "type": "ReturnStatement",
+                                                                                },
+                                                                              ],
+                                                                              "type": "BlockStatement",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 5,
+                                                                                "line": 16,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 4,
+                                                                                "line": 7,
+                                                                              },
+                                                                            },
+                                                                            "test": Object {
+                                                                              "left": Node {
+                                                                                "end": 95,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 11,
+                                                                                    "line": 7,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 7,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 92,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 17,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 8,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "operator": "===",
+                                                                              "right": Node {
+                                                                                "end": 101,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 17,
+                                                                                    "line": 7,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 16,
+                                                                                    "line": 7,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "0",
+                                                                                "start": 100,
+                                                                                "type": "Literal",
+                                                                                "value": 0,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            "type": "IfStatement",
+                                                                          },
+                                                                        ],
+                                                                        "type": "BlockStatement",
+                                                                      },
+                                                                      "id": Node {
+                                                                        "end": 67,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 15,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 9,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "expmod",
+                                                                        "start": 61,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "loc": undefined,
+                                                                      "params": Array [
+                                                                        Node {
+                                                                          "end": 72,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 20,
+                                                                              "line": 6,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 16,
+                                                                              "line": 6,
+                                                                            },
+                                                                          },
+                                                                          "name": "base",
+                                                                          "start": 68,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        Node {
+                                                                          "end": 77,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 25,
+                                                                              "line": 6,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 22,
+                                                                              "line": 6,
+                                                                            },
+                                                                          },
+                                                                          "name": "exp",
+                                                                          "start": 74,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        Node {
+                                                                          "end": 80,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 28,
+                                                                              "line": 6,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 27,
+                                                                              "line": 6,
+                                                                            },
+                                                                          },
+                                                                          "name": "m",
+                                                                          "start": 79,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                      ],
+                                                                      "type": "FunctionExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 50,
+                                                                        "line": 14,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 26,
+                                                                        "line": 14,
+                                                                      },
+                                                                    },
+                                                                    "type": "CallExpression",
+                                                                  },
+                                                                  "type": "BinaryExpression",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 54,
+                                                                    "line": 14,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 19,
+                                                                    "line": 14,
+                                                                  },
+                                                                },
+                                                                "operator": "%",
+                                                                "right": Object {
+                                                                  "loc": undefined,
+                                                                  "type": "Literal",
+                                                                  "value": 5,
+                                                                },
+                                                                "type": "BinaryExpression",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 55,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 12,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "type": "ReturnStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "consequent": Object {
+                                                          "body": Array [
+                                                            Object {
+                                                              "declarations": Array [
+                                                                Object {
+                                                                  "id": Node {
+                                                                    "end": 189,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 25,
+                                                                        "line": 11,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 18,
+                                                                        "line": 11,
+                                                                      },
+                                                                    },
+                                                                    "name": "to_half",
+                                                                    "start": 182,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                  "init": Object {
+                                                                    "arguments": Array [
+                                                                      Object {
+                                                                        "loc": undefined,
+                                                                        "type": "Literal",
+                                                                        "value": 4,
+                                                                      },
+                                                                      Object {
+                                                                        "left": Object {
+                                                                          "loc": undefined,
+                                                                          "type": "Literal",
+                                                                          "value": 1,
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 48,
+                                                                            "line": 11,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 41,
+                                                                            "line": 11,
+                                                                          },
+                                                                        },
+                                                                        "operator": "/",
+                                                                        "right": Node {
+                                                                          "end": 212,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 48,
+                                                                              "line": 11,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 47,
+                                                                              "line": 11,
+                                                                            },
+                                                                          },
+                                                                          "raw": "2",
+                                                                          "start": 211,
+                                                                          "type": "Literal",
+                                                                          "value": 2,
+                                                                        },
+                                                                        "type": "BinaryExpression",
+                                                                      },
+                                                                      Object {
+                                                                        "loc": undefined,
+                                                                        "type": "Literal",
+                                                                        "value": 5,
+                                                                      },
+                                                                    ],
+                                                                    "callee": Object {
+                                                                      "body": Object {
+                                                                        "body": Array [
+                                                                          Object {
+                                                                            "alternate": Object {
+                                                                              "body": Array [
+                                                                                Object {
+                                                                                  "alternate": Object {
+                                                                                    "body": Array [
+                                                                                      Object {
+                                                                                        "argument": Object {
+                                                                                          "left": Object {
+                                                                                            "left": Node {
+                                                                                              "end": 300,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 23,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 19,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "base",
+                                                                                              "start": 296,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 50,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "operator": "*",
+                                                                                            "right": Object {
+                                                                                              "arguments": Array [
+                                                                                                Node {
+                                                                                                  "end": 314,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 37,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 33,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "base",
+                                                                                                  "start": 310,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                Object {
+                                                                                                  "left": Node {
+                                                                                                    "end": 319,
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 42,
+                                                                                                        "line": 14,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 39,
+                                                                                                        "line": 14,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "name": "exp",
+                                                                                                    "start": 316,
+                                                                                                    "type": "Identifier",
+                                                                                                  },
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 46,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 39,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "operator": "-",
+                                                                                                  "right": Node {
+                                                                                                    "end": 323,
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 46,
+                                                                                                        "line": 14,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 45,
+                                                                                                        "line": 14,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "raw": "1",
+                                                                                                    "start": 322,
+                                                                                                    "type": "Literal",
+                                                                                                    "value": 1,
+                                                                                                  },
+                                                                                                  "type": "BinaryExpression",
+                                                                                                },
+                                                                                                Node {
+                                                                                                  "end": 326,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 49,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 48,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "m",
+                                                                                                  "start": 325,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                              ],
+                                                                                              "callee": [Circular],
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 50,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 26,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                              },
+                                                                                              "type": "CallExpression",
+                                                                                            },
+                                                                                            "type": "BinaryExpression",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 54,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "%",
+                                                                                          "right": Node {
+                                                                                            "end": 331,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 54,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 53,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "m",
+                                                                                            "start": 330,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 55,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 12,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                        },
+                                                                                        "type": "ReturnStatement",
+                                                                                      },
+                                                                                    ],
+                                                                                    "type": "BlockStatement",
+                                                                                  },
+                                                                                  "consequent": Object {
+                                                                                    "body": Array [
+                                                                                      Object {
+                                                                                        "declarations": Array [
+                                                                                          Object {
+                                                                                            "id": Node {
+                                                                                              "end": 189,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 25,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 18,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "to_half",
+                                                                                              "start": 182,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            "init": Object {
+                                                                                              "arguments": Array [
+                                                                                                Node {
+                                                                                                  "end": 203,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 39,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 35,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "base",
+                                                                                                  "start": 199,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                Object {
+                                                                                                  "left": Node {
+                                                                                                    "end": 208,
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 44,
+                                                                                                        "line": 11,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 41,
+                                                                                                        "line": 11,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "name": "exp",
+                                                                                                    "start": 205,
+                                                                                                    "type": "Identifier",
+                                                                                                  },
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 48,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 41,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "operator": "/",
+                                                                                                  "right": Node {
+                                                                                                    "end": 212,
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 48,
+                                                                                                        "line": 11,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 47,
+                                                                                                        "line": 11,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "raw": "2",
+                                                                                                    "start": 211,
+                                                                                                    "type": "Literal",
+                                                                                                    "value": 2,
+                                                                                                  },
+                                                                                                  "type": "BinaryExpression",
+                                                                                                },
+                                                                                                Node {
+                                                                                                  "end": 215,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 51,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 50,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "m",
+                                                                                                  "start": 214,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                              ],
+                                                                                              "callee": [Circular],
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 52,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 28,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                              },
+                                                                                              "type": "CallExpression",
+                                                                                            },
+                                                                                            "loc": undefined,
+                                                                                            "type": "VariableDeclarator",
+                                                                                          },
+                                                                                        ],
+                                                                                        "kind": "const",
+                                                                                        "loc": undefined,
+                                                                                        "type": "VariableDeclaration",
+                                                                                      },
+                                                                                      Object {
+                                                                                        "argument": Object {
+                                                                                          "left": Object {
+                                                                                            "left": Node {
+                                                                                              "end": 244,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 26,
+                                                                                                  "line": 12,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 19,
+                                                                                                  "line": 12,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "to_half",
+                                                                                              "start": 237,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 36,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "operator": "*",
+                                                                                            "right": Node {
+                                                                                              "end": 254,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 36,
+                                                                                                  "line": 12,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 29,
+                                                                                                  "line": 12,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "to_half",
+                                                                                              "start": 247,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            "type": "BinaryExpression",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 40,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "%",
+                                                                                          "right": Node {
+                                                                                            "end": 258,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 40,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 39,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "m",
+                                                                                            "start": 257,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 41,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 12,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                        },
+                                                                                        "type": "ReturnStatement",
+                                                                                      },
+                                                                                    ],
+                                                                                    "type": "BlockStatement",
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 9,
+                                                                                      "line": 15,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 8,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                  },
+                                                                                  "test": Object {
+                                                                                    "arguments": Array [
+                                                                                      Node {
+                                                                                        "end": 159,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 23,
+                                                                                            "line": 10,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 20,
+                                                                                            "line": 10,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "exp",
+                                                                                        "start": 156,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                    ],
+                                                                                    "callee": Object {
+                                                                                      "body": Object {
+                                                                                        "body": Array [
+                                                                                          Object {
+                                                                                            "argument": Object {
+                                                                                              "left": Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 37,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 12,
+                                                                                                      "line": 3,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 11,
+                                                                                                      "line": 3,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "n",
+                                                                                                  "start": 36,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 16,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 11,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "%",
+                                                                                                "right": Node {
+                                                                                                  "end": 41,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 16,
+                                                                                                      "line": 3,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 15,
+                                                                                                      "line": 3,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "2",
+                                                                                                  "start": 40,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 2,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 22,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 11,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "operator": "===",
+                                                                                              "right": Node {
+                                                                                                "end": 47,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 22,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 21,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "raw": "0",
+                                                                                                "start": 46,
+                                                                                                "type": "Literal",
+                                                                                                "value": 0,
+                                                                                              },
+                                                                                              "type": "BinaryExpression",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 23,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 4,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "ReturnStatement",
+                                                                                          },
+                                                                                        ],
+                                                                                        "type": "BlockStatement",
+                                                                                      },
+                                                                                      "id": Node {
+                                                                                        "end": 19,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 18,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 11,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "is_even",
+                                                                                        "start": 12,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                      "loc": undefined,
+                                                                                      "params": Array [
+                                                                                        Node {
+                                                                                          "end": 21,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 20,
+                                                                                              "line": 2,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 2,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "n",
+                                                                                          "start": 20,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                      ],
+                                                                                      "type": "FunctionExpression",
+                                                                                    },
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 24,
+                                                                                        "line": 10,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 12,
+                                                                                        "line": 10,
+                                                                                      },
+                                                                                    },
+                                                                                    "type": "CallExpression",
+                                                                                  },
+                                                                                  "type": "IfStatement",
+                                                                                },
+                                                                              ],
+                                                                              "type": "BlockStatement",
+                                                                            },
+                                                                            "consequent": Object {
+                                                                              "body": Array [
+                                                                                Object {
+                                                                                  "argument": Node {
+                                                                                    "end": 121,
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 16,
+                                                                                        "line": 8,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 15,
+                                                                                        "line": 8,
+                                                                                      },
+                                                                                    },
+                                                                                    "raw": "1",
+                                                                                    "start": 120,
+                                                                                    "type": "Literal",
+                                                                                    "value": 1,
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 17,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 8,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                  },
+                                                                                  "type": "ReturnStatement",
+                                                                                },
+                                                                              ],
+                                                                              "type": "BlockStatement",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 5,
+                                                                                "line": 16,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 4,
+                                                                                "line": 7,
+                                                                              },
+                                                                            },
+                                                                            "test": Object {
+                                                                              "left": Node {
+                                                                                "end": 95,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 11,
+                                                                                    "line": 7,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 7,
+                                                                                  },
+                                                                                },
+                                                                                "name": "exp",
+                                                                                "start": 92,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 17,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 8,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "operator": "===",
+                                                                              "right": Node {
+                                                                                "end": 101,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 17,
+                                                                                    "line": 7,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 16,
+                                                                                    "line": 7,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "0",
+                                                                                "start": 100,
+                                                                                "type": "Literal",
+                                                                                "value": 0,
+                                                                              },
+                                                                              "type": "BinaryExpression",
+                                                                            },
+                                                                            "type": "IfStatement",
+                                                                          },
+                                                                        ],
+                                                                        "type": "BlockStatement",
+                                                                      },
+                                                                      "id": Node {
+                                                                        "end": 67,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 15,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 9,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "expmod",
+                                                                        "start": 61,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "loc": undefined,
+                                                                      "params": Array [
+                                                                        Node {
+                                                                          "end": 72,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 20,
+                                                                              "line": 6,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 16,
+                                                                              "line": 6,
+                                                                            },
+                                                                          },
+                                                                          "name": "base",
+                                                                          "start": 68,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        Node {
+                                                                          "end": 77,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 25,
+                                                                              "line": 6,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 22,
+                                                                              "line": 6,
+                                                                            },
+                                                                          },
+                                                                          "name": "exp",
+                                                                          "start": 74,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                        Node {
+                                                                          "end": 80,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 28,
+                                                                              "line": 6,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 27,
+                                                                              "line": 6,
+                                                                            },
+                                                                          },
+                                                                          "name": "m",
+                                                                          "start": 79,
+                                                                          "type": "Identifier",
+                                                                        },
+                                                                      ],
+                                                                      "type": "FunctionExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 52,
+                                                                        "line": 11,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 28,
+                                                                        "line": 11,
+                                                                      },
+                                                                    },
+                                                                    "type": "CallExpression",
+                                                                  },
+                                                                  "loc": undefined,
+                                                                  "type": "VariableDeclarator",
+                                                                },
+                                                              ],
+                                                              "kind": "const",
+                                                              "loc": undefined,
+                                                              "type": "VariableDeclaration",
+                                                            },
+                                                            Object {
+                                                              "argument": Object {
+                                                                "left": Object {
+                                                                  "left": Node {
+                                                                    "end": 244,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 26,
+                                                                        "line": 12,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 19,
+                                                                        "line": 12,
+                                                                      },
+                                                                    },
+                                                                    "name": "to_half",
+                                                                    "start": 237,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 36,
+                                                                      "line": 12,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 19,
+                                                                      "line": 12,
+                                                                    },
+                                                                  },
+                                                                  "operator": "*",
+                                                                  "right": Node {
+                                                                    "end": 254,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 36,
+                                                                        "line": 12,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 29,
+                                                                        "line": 12,
+                                                                      },
+                                                                    },
+                                                                    "name": "to_half",
+                                                                    "start": 247,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                  "type": "BinaryExpression",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 40,
+                                                                    "line": 12,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 19,
+                                                                    "line": 12,
+                                                                  },
+                                                                },
+                                                                "operator": "%",
+                                                                "right": Object {
+                                                                  "loc": undefined,
+                                                                  "type": "Literal",
+                                                                  "value": 5,
+                                                                },
+                                                                "type": "BinaryExpression",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 41,
+                                                                  "line": 12,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 12,
+                                                                  "line": 12,
+                                                                },
+                                                              },
+                                                              "type": "ReturnStatement",
+                                                            },
+                                                          ],
+                                                          "type": "BlockStatement",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 9,
+                                                            "line": 15,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 8,
+                                                            "line": 10,
+                                                          },
+                                                        },
+                                                        "test": Object {
+                                                          "arguments": Array [
+                                                            Object {
+                                                              "loc": undefined,
+                                                              "type": "Literal",
+                                                              "value": 1,
+                                                            },
+                                                          ],
+                                                          "callee": Object {
+                                                            "body": Object {
+                                                              "body": Array [
+                                                                Object {
+                                                                  "argument": Object {
+                                                                    "left": Object {
+                                                                      "left": Node {
+                                                                        "end": 37,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 12,
+                                                                            "line": 3,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 11,
+                                                                            "line": 3,
+                                                                          },
+                                                                        },
+                                                                        "name": "n",
+                                                                        "start": 36,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 16,
+                                                                          "line": 3,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 11,
+                                                                          "line": 3,
+                                                                        },
+                                                                      },
+                                                                      "operator": "%",
+                                                                      "right": Node {
+                                                                        "end": 41,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 16,
+                                                                            "line": 3,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 15,
+                                                                            "line": 3,
+                                                                          },
+                                                                        },
+                                                                        "raw": "2",
+                                                                        "start": 40,
+                                                                        "type": "Literal",
+                                                                        "value": 2,
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 22,
+                                                                        "line": 3,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 11,
+                                                                        "line": 3,
+                                                                      },
+                                                                    },
+                                                                    "operator": "===",
+                                                                    "right": Node {
+                                                                      "end": 47,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 22,
+                                                                          "line": 3,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 21,
+                                                                          "line": 3,
+                                                                        },
+                                                                      },
+                                                                      "raw": "0",
+                                                                      "start": 46,
+                                                                      "type": "Literal",
+                                                                      "value": 0,
+                                                                    },
+                                                                    "type": "BinaryExpression",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 23,
+                                                                      "line": 3,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 4,
+                                                                      "line": 3,
+                                                                    },
+                                                                  },
+                                                                  "type": "ReturnStatement",
+                                                                },
+                                                              ],
+                                                              "type": "BlockStatement",
+                                                            },
+                                                            "id": Node {
+                                                              "end": 19,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 18,
+                                                                  "line": 2,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 11,
+                                                                  "line": 2,
+                                                                },
+                                                              },
+                                                              "name": "is_even",
+                                                              "start": 12,
+                                                              "type": "Identifier",
+                                                            },
+                                                            "loc": undefined,
+                                                            "params": Array [
+                                                              Node {
+                                                                "end": 21,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 20,
+                                                                    "line": 2,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 19,
+                                                                    "line": 2,
+                                                                  },
+                                                                },
+                                                                "name": "n",
+                                                                "start": 20,
+                                                                "type": "Identifier",
+                                                              },
+                                                            ],
+                                                            "type": "FunctionExpression",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 24,
+                                                              "line": 10,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 12,
+                                                              "line": 10,
+                                                            },
+                                                          },
+                                                          "type": "CallExpression",
+                                                        },
+                                                        "type": "IfStatement",
+                                                      },
+                                                    ],
+                                                    "type": "BlockStatement",
+                                                  },
+                                                  "consequent": Object {
+                                                    "body": Array [
+                                                      Object {
+                                                        "argument": Node {
+                                                          "end": 121,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 16,
+                                                              "line": 8,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 15,
+                                                              "line": 8,
+                                                            },
+                                                          },
+                                                          "raw": "1",
+                                                          "start": 120,
+                                                          "type": "Literal",
+                                                          "value": 1,
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 17,
+                                                            "line": 8,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 8,
+                                                            "line": 8,
+                                                          },
+                                                        },
+                                                        "type": "ReturnStatement",
+                                                      },
+                                                    ],
+                                                    "type": "BlockStatement",
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 5,
+                                                      "line": 16,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 4,
+                                                      "line": 7,
+                                                    },
+                                                  },
+                                                  "test": Node {
+                                                    "end": 5,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 5,
+                                                        "line": 1,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 0,
+                                                        "line": 1,
+                                                      },
+                                                    },
+                                                    "raw": "false",
+                                                    "start": 0,
+                                                    "type": "Literal",
+                                                    "value": false,
+                                                  },
+                                                  "type": "IfStatement",
+                                                },
+                                              ],
+                                              "loc": undefined,
+                                              "type": "BlockExpression",
+                                            },
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Object {
+                                              "name": "to_half",
+                                              "type": "Identifier",
+                                            },
+                                            "init": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "alternate": Object {
+                                                        "body": Array [
+                                                          Object {
+                                                            "argument": Object {
+                                                              "left": Object {
+                                                                "left": Object {
+                                                                  "loc": undefined,
+                                                                  "type": "Literal",
+                                                                  "value": 4,
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 50,
+                                                                    "line": 14,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 19,
+                                                                    "line": 14,
+                                                                  },
+                                                                },
+                                                                "operator": "*",
+                                                                "right": Object {
+                                                                  "arguments": Array [
+                                                                    Object {
+                                                                      "loc": undefined,
+                                                                      "type": "Literal",
+                                                                      "value": 4,
+                                                                    },
+                                                                    Object {
+                                                                      "left": Object {
+                                                                        "loc": undefined,
+                                                                        "type": "Literal",
+                                                                        "value": 1,
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 46,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 39,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "operator": "-",
+                                                                      "right": Node {
+                                                                        "end": 323,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 46,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 45,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "raw": "1",
+                                                                        "start": 322,
+                                                                        "type": "Literal",
+                                                                        "value": 1,
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    Object {
+                                                                      "loc": undefined,
+                                                                      "type": "Literal",
+                                                                      "value": 5,
+                                                                    },
+                                                                  ],
+                                                                  "callee": Object {
+                                                                    "body": Object {
+                                                                      "body": Array [
+                                                                        Object {
+                                                                          "alternate": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "alternate": Object {
+                                                                                  "body": Array [
+                                                                                    Object {
+                                                                                      "argument": Object {
+                                                                                        "left": Object {
+                                                                                          "left": Node {
+                                                                                            "end": 300,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 23,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "base",
+                                                                                            "start": 296,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 50,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "*",
+                                                                                          "right": Object {
+                                                                                            "arguments": Array [
+                                                                                              Node {
+                                                                                                "end": 314,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 37,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 33,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "base",
+                                                                                                "start": 310,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 319,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 42,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 39,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 316,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 46,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 39,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "-",
+                                                                                                "right": Node {
+                                                                                                  "end": 323,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 46,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 45,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "1",
+                                                                                                  "start": 322,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 1,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              Node {
+                                                                                                "end": 326,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 49,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 48,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "m",
+                                                                                                "start": 325,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                            ],
+                                                                                            "callee": [Circular],
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 50,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 26,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "CallExpression",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 54,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "%",
+                                                                                        "right": Node {
+                                                                                          "end": 331,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 54,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 53,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "m",
+                                                                                          "start": 330,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 55,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 12,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "ReturnStatement",
+                                                                                    },
+                                                                                  ],
+                                                                                  "type": "BlockStatement",
+                                                                                },
+                                                                                "consequent": Object {
+                                                                                  "body": Array [
+                                                                                    Object {
+                                                                                      "declarations": Array [
+                                                                                        Object {
+                                                                                          "id": Node {
+                                                                                            "end": 189,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 25,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 18,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 182,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "init": Object {
+                                                                                            "arguments": Array [
+                                                                                              Node {
+                                                                                                "end": 203,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 39,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 35,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "base",
+                                                                                                "start": 199,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 208,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 44,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 41,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 205,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 48,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 41,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "/",
+                                                                                                "right": Node {
+                                                                                                  "end": 212,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 48,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 47,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "2",
+                                                                                                  "start": 211,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 2,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              Node {
+                                                                                                "end": 215,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 51,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 50,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "m",
+                                                                                                "start": 214,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                            ],
+                                                                                            "callee": [Circular],
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 52,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 28,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "CallExpression",
+                                                                                          },
+                                                                                          "loc": undefined,
+                                                                                          "type": "VariableDeclarator",
+                                                                                        },
+                                                                                      ],
+                                                                                      "kind": "const",
+                                                                                      "loc": undefined,
+                                                                                      "type": "VariableDeclaration",
+                                                                                    },
+                                                                                    Object {
+                                                                                      "argument": Object {
+                                                                                        "left": Object {
+                                                                                          "left": Node {
+                                                                                            "end": 244,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 26,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 237,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 36,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "*",
+                                                                                          "right": Node {
+                                                                                            "end": 254,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 36,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 29,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 247,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 40,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "%",
+                                                                                        "right": Node {
+                                                                                          "end": 258,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 40,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 39,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "m",
+                                                                                          "start": 257,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 41,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 12,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "ReturnStatement",
+                                                                                    },
+                                                                                  ],
+                                                                                  "type": "BlockStatement",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 9,
+                                                                                    "line": 15,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 10,
+                                                                                  },
+                                                                                },
+                                                                                "test": Object {
+                                                                                  "arguments": Array [
+                                                                                    Node {
+                                                                                      "end": 159,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 23,
+                                                                                          "line": 10,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 20,
+                                                                                          "line": 10,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "exp",
+                                                                                      "start": 156,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                  ],
+                                                                                  "callee": Object {
+                                                                                    "body": Object {
+                                                                                      "body": Array [
+                                                                                        Object {
+                                                                                          "argument": Object {
+                                                                                            "left": Object {
+                                                                                              "left": Node {
+                                                                                                "end": 37,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 12,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 11,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "n",
+                                                                                                "start": 36,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 16,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 11,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "operator": "%",
+                                                                                              "right": Node {
+                                                                                                "end": 41,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 16,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 15,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "raw": "2",
+                                                                                                "start": 40,
+                                                                                                "type": "Literal",
+                                                                                                "value": 2,
+                                                                                              },
+                                                                                              "type": "BinaryExpression",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 22,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 11,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                            },
+                                                                                            "operator": "===",
+                                                                                            "right": Node {
+                                                                                              "end": 47,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 22,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 21,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "raw": "0",
+                                                                                              "start": 46,
+                                                                                              "type": "Literal",
+                                                                                              "value": 0,
+                                                                                            },
+                                                                                            "type": "BinaryExpression",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 23,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 4,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                          },
+                                                                                          "type": "ReturnStatement",
+                                                                                        },
+                                                                                      ],
+                                                                                      "type": "BlockStatement",
+                                                                                    },
+                                                                                    "id": Node {
+                                                                                      "end": 19,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 18,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 11,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "is_even",
+                                                                                      "start": 12,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                    "loc": undefined,
+                                                                                    "params": Array [
+                                                                                      Node {
+                                                                                        "end": 21,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 20,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "n",
+                                                                                        "start": 20,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                    ],
+                                                                                    "type": "FunctionExpression",
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 24,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 12,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                  },
+                                                                                  "type": "CallExpression",
+                                                                                },
+                                                                                "type": "IfStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "consequent": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "argument": Node {
+                                                                                  "end": 121,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 16,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 15,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                  },
+                                                                                  "raw": "1",
+                                                                                  "start": 120,
+                                                                                  "type": "Literal",
+                                                                                  "value": 1,
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 17,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                },
+                                                                                "type": "ReturnStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 5,
+                                                                              "line": 16,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 4,
+                                                                              "line": 7,
+                                                                            },
+                                                                          },
+                                                                          "test": Object {
+                                                                            "left": Node {
+                                                                              "end": 95,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 8,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "name": "exp",
+                                                                              "start": 92,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 17,
+                                                                                "line": 7,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 8,
+                                                                                "line": 7,
+                                                                              },
+                                                                            },
+                                                                            "operator": "===",
+                                                                            "right": Node {
+                                                                              "end": 101,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 17,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "raw": "0",
+                                                                              "start": 100,
+                                                                              "type": "Literal",
+                                                                              "value": 0,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "type": "IfStatement",
+                                                                        },
+                                                                      ],
+                                                                      "type": "BlockStatement",
+                                                                    },
+                                                                    "id": Node {
+                                                                      "end": 67,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 15,
+                                                                          "line": 6,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 9,
+                                                                          "line": 6,
+                                                                        },
+                                                                      },
+                                                                      "name": "expmod",
+                                                                      "start": 61,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    "loc": undefined,
+                                                                    "params": Array [
+                                                                      Node {
+                                                                        "end": 72,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 20,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 16,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "base",
+                                                                        "start": 68,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      Node {
+                                                                        "end": 77,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 25,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 22,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "exp",
+                                                                        "start": 74,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      Node {
+                                                                        "end": 80,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 28,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 27,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 79,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                    ],
+                                                                    "type": "FunctionExpression",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 50,
+                                                                      "line": 14,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 26,
+                                                                      "line": 14,
+                                                                    },
+                                                                  },
+                                                                  "type": "CallExpression",
+                                                                },
+                                                                "type": "BinaryExpression",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 54,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 19,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "operator": "%",
+                                                              "right": Object {
+                                                                "loc": undefined,
+                                                                "type": "Literal",
+                                                                "value": 5,
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 55,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 12,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "type": "ReturnStatement",
+                                                          },
+                                                        ],
+                                                        "type": "BlockStatement",
+                                                      },
+                                                      "consequent": Object {
+                                                        "body": Array [
+                                                          Object {
+                                                            "declarations": Array [
+                                                              Object {
+                                                                "id": Node {
+                                                                  "end": 189,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 25,
+                                                                      "line": 11,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 18,
+                                                                      "line": 11,
+                                                                    },
+                                                                  },
+                                                                  "name": "to_half",
+                                                                  "start": 182,
+                                                                  "type": "Identifier",
+                                                                },
+                                                                "init": Object {
+                                                                  "arguments": Array [
+                                                                    Object {
+                                                                      "loc": undefined,
+                                                                      "type": "Literal",
+                                                                      "value": 4,
+                                                                    },
+                                                                    Object {
+                                                                      "left": Object {
+                                                                        "loc": undefined,
+                                                                        "type": "Literal",
+                                                                        "value": 1,
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 48,
+                                                                          "line": 11,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 41,
+                                                                          "line": 11,
+                                                                        },
+                                                                      },
+                                                                      "operator": "/",
+                                                                      "right": Node {
+                                                                        "end": 212,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 48,
+                                                                            "line": 11,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 47,
+                                                                            "line": 11,
+                                                                          },
+                                                                        },
+                                                                        "raw": "2",
+                                                                        "start": 211,
+                                                                        "type": "Literal",
+                                                                        "value": 2,
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    Object {
+                                                                      "loc": undefined,
+                                                                      "type": "Literal",
+                                                                      "value": 5,
+                                                                    },
+                                                                  ],
+                                                                  "callee": Object {
+                                                                    "body": Object {
+                                                                      "body": Array [
+                                                                        Object {
+                                                                          "alternate": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "alternate": Object {
+                                                                                  "body": Array [
+                                                                                    Object {
+                                                                                      "argument": Object {
+                                                                                        "left": Object {
+                                                                                          "left": Node {
+                                                                                            "end": 300,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 23,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "base",
+                                                                                            "start": 296,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 50,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "*",
+                                                                                          "right": Object {
+                                                                                            "arguments": Array [
+                                                                                              Node {
+                                                                                                "end": 314,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 37,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 33,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "base",
+                                                                                                "start": 310,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 319,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 42,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 39,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 316,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 46,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 39,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "-",
+                                                                                                "right": Node {
+                                                                                                  "end": 323,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 46,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 45,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "1",
+                                                                                                  "start": 322,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 1,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              Node {
+                                                                                                "end": 326,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 49,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 48,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "m",
+                                                                                                "start": 325,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                            ],
+                                                                                            "callee": [Circular],
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 50,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 26,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "CallExpression",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 54,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "%",
+                                                                                        "right": Node {
+                                                                                          "end": 331,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 54,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 53,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "m",
+                                                                                          "start": 330,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 55,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 12,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "ReturnStatement",
+                                                                                    },
+                                                                                  ],
+                                                                                  "type": "BlockStatement",
+                                                                                },
+                                                                                "consequent": Object {
+                                                                                  "body": Array [
+                                                                                    Object {
+                                                                                      "declarations": Array [
+                                                                                        Object {
+                                                                                          "id": Node {
+                                                                                            "end": 189,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 25,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 18,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 182,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "init": Object {
+                                                                                            "arguments": Array [
+                                                                                              Node {
+                                                                                                "end": 203,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 39,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 35,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "base",
+                                                                                                "start": 199,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 208,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 44,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 41,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 205,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 48,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 41,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "/",
+                                                                                                "right": Node {
+                                                                                                  "end": 212,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 48,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 47,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "2",
+                                                                                                  "start": 211,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 2,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              Node {
+                                                                                                "end": 215,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 51,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 50,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "m",
+                                                                                                "start": 214,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                            ],
+                                                                                            "callee": [Circular],
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 52,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 28,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "CallExpression",
+                                                                                          },
+                                                                                          "loc": undefined,
+                                                                                          "type": "VariableDeclarator",
+                                                                                        },
+                                                                                      ],
+                                                                                      "kind": "const",
+                                                                                      "loc": undefined,
+                                                                                      "type": "VariableDeclaration",
+                                                                                    },
+                                                                                    Object {
+                                                                                      "argument": Object {
+                                                                                        "left": Object {
+                                                                                          "left": Node {
+                                                                                            "end": 244,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 26,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 237,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 36,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "*",
+                                                                                          "right": Node {
+                                                                                            "end": 254,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 36,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 29,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 247,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 40,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "%",
+                                                                                        "right": Node {
+                                                                                          "end": 258,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 40,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 39,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "m",
+                                                                                          "start": 257,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 41,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 12,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "ReturnStatement",
+                                                                                    },
+                                                                                  ],
+                                                                                  "type": "BlockStatement",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 9,
+                                                                                    "line": 15,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 10,
+                                                                                  },
+                                                                                },
+                                                                                "test": Object {
+                                                                                  "arguments": Array [
+                                                                                    Node {
+                                                                                      "end": 159,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 23,
+                                                                                          "line": 10,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 20,
+                                                                                          "line": 10,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "exp",
+                                                                                      "start": 156,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                  ],
+                                                                                  "callee": Object {
+                                                                                    "body": Object {
+                                                                                      "body": Array [
+                                                                                        Object {
+                                                                                          "argument": Object {
+                                                                                            "left": Object {
+                                                                                              "left": Node {
+                                                                                                "end": 37,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 12,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 11,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "n",
+                                                                                                "start": 36,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 16,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 11,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "operator": "%",
+                                                                                              "right": Node {
+                                                                                                "end": 41,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 16,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 15,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "raw": "2",
+                                                                                                "start": 40,
+                                                                                                "type": "Literal",
+                                                                                                "value": 2,
+                                                                                              },
+                                                                                              "type": "BinaryExpression",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 22,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 11,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                            },
+                                                                                            "operator": "===",
+                                                                                            "right": Node {
+                                                                                              "end": 47,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 22,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 21,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "raw": "0",
+                                                                                              "start": 46,
+                                                                                              "type": "Literal",
+                                                                                              "value": 0,
+                                                                                            },
+                                                                                            "type": "BinaryExpression",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 23,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 4,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                          },
+                                                                                          "type": "ReturnStatement",
+                                                                                        },
+                                                                                      ],
+                                                                                      "type": "BlockStatement",
+                                                                                    },
+                                                                                    "id": Node {
+                                                                                      "end": 19,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 18,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 11,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "is_even",
+                                                                                      "start": 12,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                    "loc": undefined,
+                                                                                    "params": Array [
+                                                                                      Node {
+                                                                                        "end": 21,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 20,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "n",
+                                                                                        "start": 20,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                    ],
+                                                                                    "type": "FunctionExpression",
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 24,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 12,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                  },
+                                                                                  "type": "CallExpression",
+                                                                                },
+                                                                                "type": "IfStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "consequent": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "argument": Node {
+                                                                                  "end": 121,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 16,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 15,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                  },
+                                                                                  "raw": "1",
+                                                                                  "start": 120,
+                                                                                  "type": "Literal",
+                                                                                  "value": 1,
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 17,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                },
+                                                                                "type": "ReturnStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 5,
+                                                                              "line": 16,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 4,
+                                                                              "line": 7,
+                                                                            },
+                                                                          },
+                                                                          "test": Object {
+                                                                            "left": Node {
+                                                                              "end": 95,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 8,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "name": "exp",
+                                                                              "start": 92,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 17,
+                                                                                "line": 7,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 8,
+                                                                                "line": 7,
+                                                                              },
+                                                                            },
+                                                                            "operator": "===",
+                                                                            "right": Node {
+                                                                              "end": 101,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 17,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "raw": "0",
+                                                                              "start": 100,
+                                                                              "type": "Literal",
+                                                                              "value": 0,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "type": "IfStatement",
+                                                                        },
+                                                                      ],
+                                                                      "type": "BlockStatement",
+                                                                    },
+                                                                    "id": Node {
+                                                                      "end": 67,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 15,
+                                                                          "line": 6,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 9,
+                                                                          "line": 6,
+                                                                        },
+                                                                      },
+                                                                      "name": "expmod",
+                                                                      "start": 61,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    "loc": undefined,
+                                                                    "params": Array [
+                                                                      Node {
+                                                                        "end": 72,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 20,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 16,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "base",
+                                                                        "start": 68,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      Node {
+                                                                        "end": 77,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 25,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 22,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "exp",
+                                                                        "start": 74,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      Node {
+                                                                        "end": 80,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 28,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 27,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 79,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                    ],
+                                                                    "type": "FunctionExpression",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 52,
+                                                                      "line": 11,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 28,
+                                                                      "line": 11,
+                                                                    },
+                                                                  },
+                                                                  "type": "CallExpression",
+                                                                },
+                                                                "loc": undefined,
+                                                                "type": "VariableDeclarator",
+                                                              },
+                                                            ],
+                                                            "kind": "const",
+                                                            "loc": undefined,
+                                                            "type": "VariableDeclaration",
+                                                          },
+                                                          Object {
+                                                            "argument": Object {
+                                                              "left": Object {
+                                                                "left": Node {
+                                                                  "end": 244,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 26,
+                                                                      "line": 12,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 19,
+                                                                      "line": 12,
+                                                                    },
+                                                                  },
+                                                                  "name": "to_half",
+                                                                  "start": 237,
+                                                                  "type": "Identifier",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 36,
+                                                                    "line": 12,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 19,
+                                                                    "line": 12,
+                                                                  },
+                                                                },
+                                                                "operator": "*",
+                                                                "right": Node {
+                                                                  "end": 254,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 36,
+                                                                      "line": 12,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 29,
+                                                                      "line": 12,
+                                                                    },
+                                                                  },
+                                                                  "name": "to_half",
+                                                                  "start": 247,
+                                                                  "type": "Identifier",
+                                                                },
+                                                                "type": "BinaryExpression",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 40,
+                                                                  "line": 12,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 19,
+                                                                  "line": 12,
+                                                                },
+                                                              },
+                                                              "operator": "%",
+                                                              "right": Object {
+                                                                "loc": undefined,
+                                                                "type": "Literal",
+                                                                "value": 5,
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 41,
+                                                                "line": 12,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 12,
+                                                                "line": 12,
+                                                              },
+                                                            },
+                                                            "type": "ReturnStatement",
+                                                          },
+                                                        ],
+                                                        "type": "BlockStatement",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 9,
+                                                          "line": 15,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 8,
+                                                          "line": 10,
+                                                        },
+                                                      },
+                                                      "test": Object {
+                                                        "arguments": Array [
+                                                          Object {
+                                                            "loc": undefined,
+                                                            "type": "Literal",
+                                                            "value": 1,
+                                                          },
+                                                        ],
+                                                        "callee": Object {
+                                                          "body": Object {
+                                                            "body": Array [
+                                                              Object {
+                                                                "argument": Object {
+                                                                  "left": Object {
+                                                                    "left": Node {
+                                                                      "end": 37,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 12,
+                                                                          "line": 3,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 11,
+                                                                          "line": 3,
+                                                                        },
+                                                                      },
+                                                                      "name": "n",
+                                                                      "start": 36,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 16,
+                                                                        "line": 3,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 11,
+                                                                        "line": 3,
+                                                                      },
+                                                                    },
+                                                                    "operator": "%",
+                                                                    "right": Node {
+                                                                      "end": 41,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 16,
+                                                                          "line": 3,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 15,
+                                                                          "line": 3,
+                                                                        },
+                                                                      },
+                                                                      "raw": "2",
+                                                                      "start": 40,
+                                                                      "type": "Literal",
+                                                                      "value": 2,
+                                                                    },
+                                                                    "type": "BinaryExpression",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 22,
+                                                                      "line": 3,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 11,
+                                                                      "line": 3,
+                                                                    },
+                                                                  },
+                                                                  "operator": "===",
+                                                                  "right": Node {
+                                                                    "end": 47,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 22,
+                                                                        "line": 3,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 21,
+                                                                        "line": 3,
+                                                                      },
+                                                                    },
+                                                                    "raw": "0",
+                                                                    "start": 46,
+                                                                    "type": "Literal",
+                                                                    "value": 0,
+                                                                  },
+                                                                  "type": "BinaryExpression",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 23,
+                                                                    "line": 3,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 4,
+                                                                    "line": 3,
+                                                                  },
+                                                                },
+                                                                "type": "ReturnStatement",
+                                                              },
+                                                            ],
+                                                            "type": "BlockStatement",
+                                                          },
+                                                          "id": Node {
+                                                            "end": 19,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 18,
+                                                                "line": 2,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 11,
+                                                                "line": 2,
+                                                              },
+                                                            },
+                                                            "name": "is_even",
+                                                            "start": 12,
+                                                            "type": "Identifier",
+                                                          },
+                                                          "loc": undefined,
+                                                          "params": Array [
+                                                            Node {
+                                                              "end": 21,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 20,
+                                                                  "line": 2,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 19,
+                                                                  "line": 2,
+                                                                },
+                                                              },
+                                                              "name": "n",
+                                                              "start": 20,
+                                                              "type": "Identifier",
+                                                            },
+                                                          ],
+                                                          "type": "FunctionExpression",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 24,
+                                                            "line": 10,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 12,
+                                                            "line": 10,
+                                                          },
+                                                        },
+                                                        "type": "CallExpression",
+                                                      },
+                                                      "type": "IfStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                              ],
+                                              "loc": undefined,
+                                              "type": "BlockExpression",
+                                            },
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Object {
+                                              "name": "to_half",
+                                              "type": "Identifier",
+                                            },
+                                            "init": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "alternate": Object {
+                                                        "body": Array [
+                                                          Object {
+                                                            "argument": Object {
+                                                              "left": Object {
+                                                                "left": Object {
+                                                                  "loc": undefined,
+                                                                  "type": "Literal",
+                                                                  "value": 4,
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 50,
+                                                                    "line": 14,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 19,
+                                                                    "line": 14,
+                                                                  },
+                                                                },
+                                                                "operator": "*",
+                                                                "right": Object {
+                                                                  "arguments": Array [
+                                                                    Object {
+                                                                      "loc": undefined,
+                                                                      "type": "Literal",
+                                                                      "value": 4,
+                                                                    },
+                                                                    Object {
+                                                                      "left": Object {
+                                                                        "loc": undefined,
+                                                                        "type": "Literal",
+                                                                        "value": 1,
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 46,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 39,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "operator": "-",
+                                                                      "right": Node {
+                                                                        "end": 323,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 46,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 45,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "raw": "1",
+                                                                        "start": 322,
+                                                                        "type": "Literal",
+                                                                        "value": 1,
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    Object {
+                                                                      "loc": undefined,
+                                                                      "type": "Literal",
+                                                                      "value": 5,
+                                                                    },
+                                                                  ],
+                                                                  "callee": Object {
+                                                                    "body": Object {
+                                                                      "body": Array [
+                                                                        Object {
+                                                                          "alternate": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "alternate": Object {
+                                                                                  "body": Array [
+                                                                                    Object {
+                                                                                      "argument": Object {
+                                                                                        "left": Object {
+                                                                                          "left": Node {
+                                                                                            "end": 300,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 23,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "base",
+                                                                                            "start": 296,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 50,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "*",
+                                                                                          "right": Object {
+                                                                                            "arguments": Array [
+                                                                                              Node {
+                                                                                                "end": 314,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 37,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 33,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "base",
+                                                                                                "start": 310,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 319,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 42,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 39,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 316,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 46,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 39,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "-",
+                                                                                                "right": Node {
+                                                                                                  "end": 323,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 46,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 45,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "1",
+                                                                                                  "start": 322,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 1,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              Node {
+                                                                                                "end": 326,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 49,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 48,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "m",
+                                                                                                "start": 325,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                            ],
+                                                                                            "callee": [Circular],
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 50,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 26,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "CallExpression",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 54,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "%",
+                                                                                        "right": Node {
+                                                                                          "end": 331,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 54,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 53,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "m",
+                                                                                          "start": 330,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 55,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 12,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "ReturnStatement",
+                                                                                    },
+                                                                                  ],
+                                                                                  "type": "BlockStatement",
+                                                                                },
+                                                                                "consequent": Object {
+                                                                                  "body": Array [
+                                                                                    Object {
+                                                                                      "declarations": Array [
+                                                                                        Object {
+                                                                                          "id": Node {
+                                                                                            "end": 189,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 25,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 18,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 182,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "init": Object {
+                                                                                            "arguments": Array [
+                                                                                              Node {
+                                                                                                "end": 203,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 39,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 35,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "base",
+                                                                                                "start": 199,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 208,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 44,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 41,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 205,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 48,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 41,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "/",
+                                                                                                "right": Node {
+                                                                                                  "end": 212,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 48,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 47,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "2",
+                                                                                                  "start": 211,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 2,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              Node {
+                                                                                                "end": 215,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 51,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 50,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "m",
+                                                                                                "start": 214,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                            ],
+                                                                                            "callee": [Circular],
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 52,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 28,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "CallExpression",
+                                                                                          },
+                                                                                          "loc": undefined,
+                                                                                          "type": "VariableDeclarator",
+                                                                                        },
+                                                                                      ],
+                                                                                      "kind": "const",
+                                                                                      "loc": undefined,
+                                                                                      "type": "VariableDeclaration",
+                                                                                    },
+                                                                                    Object {
+                                                                                      "argument": Object {
+                                                                                        "left": Object {
+                                                                                          "left": Node {
+                                                                                            "end": 244,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 26,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 237,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 36,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "*",
+                                                                                          "right": Node {
+                                                                                            "end": 254,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 36,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 29,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 247,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 40,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "%",
+                                                                                        "right": Node {
+                                                                                          "end": 258,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 40,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 39,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "m",
+                                                                                          "start": 257,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 41,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 12,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "ReturnStatement",
+                                                                                    },
+                                                                                  ],
+                                                                                  "type": "BlockStatement",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 9,
+                                                                                    "line": 15,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 10,
+                                                                                  },
+                                                                                },
+                                                                                "test": Object {
+                                                                                  "arguments": Array [
+                                                                                    Node {
+                                                                                      "end": 159,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 23,
+                                                                                          "line": 10,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 20,
+                                                                                          "line": 10,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "exp",
+                                                                                      "start": 156,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                  ],
+                                                                                  "callee": Object {
+                                                                                    "body": Object {
+                                                                                      "body": Array [
+                                                                                        Object {
+                                                                                          "argument": Object {
+                                                                                            "left": Object {
+                                                                                              "left": Node {
+                                                                                                "end": 37,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 12,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 11,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "n",
+                                                                                                "start": 36,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 16,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 11,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "operator": "%",
+                                                                                              "right": Node {
+                                                                                                "end": 41,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 16,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 15,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "raw": "2",
+                                                                                                "start": 40,
+                                                                                                "type": "Literal",
+                                                                                                "value": 2,
+                                                                                              },
+                                                                                              "type": "BinaryExpression",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 22,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 11,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                            },
+                                                                                            "operator": "===",
+                                                                                            "right": Node {
+                                                                                              "end": 47,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 22,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 21,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "raw": "0",
+                                                                                              "start": 46,
+                                                                                              "type": "Literal",
+                                                                                              "value": 0,
+                                                                                            },
+                                                                                            "type": "BinaryExpression",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 23,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 4,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                          },
+                                                                                          "type": "ReturnStatement",
+                                                                                        },
+                                                                                      ],
+                                                                                      "type": "BlockStatement",
+                                                                                    },
+                                                                                    "id": Node {
+                                                                                      "end": 19,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 18,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 11,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "is_even",
+                                                                                      "start": 12,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                    "loc": undefined,
+                                                                                    "params": Array [
+                                                                                      Node {
+                                                                                        "end": 21,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 20,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "n",
+                                                                                        "start": 20,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                    ],
+                                                                                    "type": "FunctionExpression",
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 24,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 12,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                  },
+                                                                                  "type": "CallExpression",
+                                                                                },
+                                                                                "type": "IfStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "consequent": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "argument": Node {
+                                                                                  "end": 121,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 16,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 15,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                  },
+                                                                                  "raw": "1",
+                                                                                  "start": 120,
+                                                                                  "type": "Literal",
+                                                                                  "value": 1,
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 17,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                },
+                                                                                "type": "ReturnStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 5,
+                                                                              "line": 16,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 4,
+                                                                              "line": 7,
+                                                                            },
+                                                                          },
+                                                                          "test": Object {
+                                                                            "left": Node {
+                                                                              "end": 95,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 8,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "name": "exp",
+                                                                              "start": 92,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 17,
+                                                                                "line": 7,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 8,
+                                                                                "line": 7,
+                                                                              },
+                                                                            },
+                                                                            "operator": "===",
+                                                                            "right": Node {
+                                                                              "end": 101,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 17,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "raw": "0",
+                                                                              "start": 100,
+                                                                              "type": "Literal",
+                                                                              "value": 0,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "type": "IfStatement",
+                                                                        },
+                                                                      ],
+                                                                      "type": "BlockStatement",
+                                                                    },
+                                                                    "id": Node {
+                                                                      "end": 67,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 15,
+                                                                          "line": 6,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 9,
+                                                                          "line": 6,
+                                                                        },
+                                                                      },
+                                                                      "name": "expmod",
+                                                                      "start": 61,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    "loc": undefined,
+                                                                    "params": Array [
+                                                                      Node {
+                                                                        "end": 72,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 20,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 16,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "base",
+                                                                        "start": 68,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      Node {
+                                                                        "end": 77,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 25,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 22,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "exp",
+                                                                        "start": 74,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      Node {
+                                                                        "end": 80,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 28,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 27,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 79,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                    ],
+                                                                    "type": "FunctionExpression",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 50,
+                                                                      "line": 14,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 26,
+                                                                      "line": 14,
+                                                                    },
+                                                                  },
+                                                                  "type": "CallExpression",
+                                                                },
+                                                                "type": "BinaryExpression",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 54,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 19,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "operator": "%",
+                                                              "right": Object {
+                                                                "loc": undefined,
+                                                                "type": "Literal",
+                                                                "value": 5,
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 55,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 12,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "type": "ReturnStatement",
+                                                          },
+                                                        ],
+                                                        "type": "BlockStatement",
+                                                      },
+                                                      "consequent": Object {
+                                                        "body": Array [
+                                                          Object {
+                                                            "declarations": Array [
+                                                              Object {
+                                                                "id": Node {
+                                                                  "end": 189,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 25,
+                                                                      "line": 11,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 18,
+                                                                      "line": 11,
+                                                                    },
+                                                                  },
+                                                                  "name": "to_half",
+                                                                  "start": 182,
+                                                                  "type": "Identifier",
+                                                                },
+                                                                "init": Object {
+                                                                  "arguments": Array [
+                                                                    Object {
+                                                                      "loc": undefined,
+                                                                      "type": "Literal",
+                                                                      "value": 4,
+                                                                    },
+                                                                    Object {
+                                                                      "left": Object {
+                                                                        "loc": undefined,
+                                                                        "type": "Literal",
+                                                                        "value": 1,
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 48,
+                                                                          "line": 11,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 41,
+                                                                          "line": 11,
+                                                                        },
+                                                                      },
+                                                                      "operator": "/",
+                                                                      "right": Node {
+                                                                        "end": 212,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 48,
+                                                                            "line": 11,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 47,
+                                                                            "line": 11,
+                                                                          },
+                                                                        },
+                                                                        "raw": "2",
+                                                                        "start": 211,
+                                                                        "type": "Literal",
+                                                                        "value": 2,
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    Object {
+                                                                      "loc": undefined,
+                                                                      "type": "Literal",
+                                                                      "value": 5,
+                                                                    },
+                                                                  ],
+                                                                  "callee": Object {
+                                                                    "body": Object {
+                                                                      "body": Array [
+                                                                        Object {
+                                                                          "alternate": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "alternate": Object {
+                                                                                  "body": Array [
+                                                                                    Object {
+                                                                                      "argument": Object {
+                                                                                        "left": Object {
+                                                                                          "left": Node {
+                                                                                            "end": 300,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 23,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "base",
+                                                                                            "start": 296,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 50,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "*",
+                                                                                          "right": Object {
+                                                                                            "arguments": Array [
+                                                                                              Node {
+                                                                                                "end": 314,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 37,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 33,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "base",
+                                                                                                "start": 310,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 319,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 42,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 39,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 316,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 46,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 39,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "-",
+                                                                                                "right": Node {
+                                                                                                  "end": 323,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 46,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 45,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "1",
+                                                                                                  "start": 322,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 1,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              Node {
+                                                                                                "end": 326,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 49,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 48,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "m",
+                                                                                                "start": 325,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                            ],
+                                                                                            "callee": [Circular],
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 50,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 26,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "CallExpression",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 54,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "%",
+                                                                                        "right": Node {
+                                                                                          "end": 331,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 54,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 53,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "m",
+                                                                                          "start": 330,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 55,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 12,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "ReturnStatement",
+                                                                                    },
+                                                                                  ],
+                                                                                  "type": "BlockStatement",
+                                                                                },
+                                                                                "consequent": Object {
+                                                                                  "body": Array [
+                                                                                    Object {
+                                                                                      "declarations": Array [
+                                                                                        Object {
+                                                                                          "id": Node {
+                                                                                            "end": 189,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 25,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 18,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 182,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "init": Object {
+                                                                                            "arguments": Array [
+                                                                                              Node {
+                                                                                                "end": 203,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 39,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 35,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "base",
+                                                                                                "start": 199,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 208,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 44,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 41,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 205,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 48,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 41,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "/",
+                                                                                                "right": Node {
+                                                                                                  "end": 212,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 48,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 47,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "2",
+                                                                                                  "start": 211,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 2,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              Node {
+                                                                                                "end": 215,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 51,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 50,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "m",
+                                                                                                "start": 214,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                            ],
+                                                                                            "callee": [Circular],
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 52,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 28,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "CallExpression",
+                                                                                          },
+                                                                                          "loc": undefined,
+                                                                                          "type": "VariableDeclarator",
+                                                                                        },
+                                                                                      ],
+                                                                                      "kind": "const",
+                                                                                      "loc": undefined,
+                                                                                      "type": "VariableDeclaration",
+                                                                                    },
+                                                                                    Object {
+                                                                                      "argument": Object {
+                                                                                        "left": Object {
+                                                                                          "left": Node {
+                                                                                            "end": 244,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 26,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 237,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 36,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "*",
+                                                                                          "right": Node {
+                                                                                            "end": 254,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 36,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 29,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 247,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 40,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "%",
+                                                                                        "right": Node {
+                                                                                          "end": 258,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 40,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 39,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "m",
+                                                                                          "start": 257,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 41,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 12,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "ReturnStatement",
+                                                                                    },
+                                                                                  ],
+                                                                                  "type": "BlockStatement",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 9,
+                                                                                    "line": 15,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 10,
+                                                                                  },
+                                                                                },
+                                                                                "test": Object {
+                                                                                  "arguments": Array [
+                                                                                    Node {
+                                                                                      "end": 159,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 23,
+                                                                                          "line": 10,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 20,
+                                                                                          "line": 10,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "exp",
+                                                                                      "start": 156,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                  ],
+                                                                                  "callee": Object {
+                                                                                    "body": Object {
+                                                                                      "body": Array [
+                                                                                        Object {
+                                                                                          "argument": Object {
+                                                                                            "left": Object {
+                                                                                              "left": Node {
+                                                                                                "end": 37,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 12,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 11,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "n",
+                                                                                                "start": 36,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 16,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 11,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "operator": "%",
+                                                                                              "right": Node {
+                                                                                                "end": 41,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 16,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 15,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "raw": "2",
+                                                                                                "start": 40,
+                                                                                                "type": "Literal",
+                                                                                                "value": 2,
+                                                                                              },
+                                                                                              "type": "BinaryExpression",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 22,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 11,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                            },
+                                                                                            "operator": "===",
+                                                                                            "right": Node {
+                                                                                              "end": 47,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 22,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 21,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "raw": "0",
+                                                                                              "start": 46,
+                                                                                              "type": "Literal",
+                                                                                              "value": 0,
+                                                                                            },
+                                                                                            "type": "BinaryExpression",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 23,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 4,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                          },
+                                                                                          "type": "ReturnStatement",
+                                                                                        },
+                                                                                      ],
+                                                                                      "type": "BlockStatement",
+                                                                                    },
+                                                                                    "id": Node {
+                                                                                      "end": 19,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 18,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 11,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "is_even",
+                                                                                      "start": 12,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                    "loc": undefined,
+                                                                                    "params": Array [
+                                                                                      Node {
+                                                                                        "end": 21,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 20,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "n",
+                                                                                        "start": 20,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                    ],
+                                                                                    "type": "FunctionExpression",
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 24,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 12,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                  },
+                                                                                  "type": "CallExpression",
+                                                                                },
+                                                                                "type": "IfStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "consequent": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "argument": Node {
+                                                                                  "end": 121,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 16,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 15,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                  },
+                                                                                  "raw": "1",
+                                                                                  "start": 120,
+                                                                                  "type": "Literal",
+                                                                                  "value": 1,
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 17,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                },
+                                                                                "type": "ReturnStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 5,
+                                                                              "line": 16,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 4,
+                                                                              "line": 7,
+                                                                            },
+                                                                          },
+                                                                          "test": Object {
+                                                                            "left": Node {
+                                                                              "end": 95,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 8,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "name": "exp",
+                                                                              "start": 92,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 17,
+                                                                                "line": 7,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 8,
+                                                                                "line": 7,
+                                                                              },
+                                                                            },
+                                                                            "operator": "===",
+                                                                            "right": Node {
+                                                                              "end": 101,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 17,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "raw": "0",
+                                                                              "start": 100,
+                                                                              "type": "Literal",
+                                                                              "value": 0,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "type": "IfStatement",
+                                                                        },
+                                                                      ],
+                                                                      "type": "BlockStatement",
+                                                                    },
+                                                                    "id": Node {
+                                                                      "end": 67,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 15,
+                                                                          "line": 6,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 9,
+                                                                          "line": 6,
+                                                                        },
+                                                                      },
+                                                                      "name": "expmod",
+                                                                      "start": 61,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    "loc": undefined,
+                                                                    "params": Array [
+                                                                      Node {
+                                                                        "end": 72,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 20,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 16,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "base",
+                                                                        "start": 68,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      Node {
+                                                                        "end": 77,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 25,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 22,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "exp",
+                                                                        "start": 74,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      Node {
+                                                                        "end": 80,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 28,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 27,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 79,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                    ],
+                                                                    "type": "FunctionExpression",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 52,
+                                                                      "line": 11,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 28,
+                                                                      "line": 11,
+                                                                    },
+                                                                  },
+                                                                  "type": "CallExpression",
+                                                                },
+                                                                "loc": undefined,
+                                                                "type": "VariableDeclarator",
+                                                              },
+                                                            ],
+                                                            "kind": "const",
+                                                            "loc": undefined,
+                                                            "type": "VariableDeclaration",
+                                                          },
+                                                          Object {
+                                                            "argument": Object {
+                                                              "left": Object {
+                                                                "left": Node {
+                                                                  "end": 244,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 26,
+                                                                      "line": 12,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 19,
+                                                                      "line": 12,
+                                                                    },
+                                                                  },
+                                                                  "name": "to_half",
+                                                                  "start": 237,
+                                                                  "type": "Identifier",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 36,
+                                                                    "line": 12,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 19,
+                                                                    "line": 12,
+                                                                  },
+                                                                },
+                                                                "operator": "*",
+                                                                "right": Node {
+                                                                  "end": 254,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 36,
+                                                                      "line": 12,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 29,
+                                                                      "line": 12,
+                                                                    },
+                                                                  },
+                                                                  "name": "to_half",
+                                                                  "start": 247,
+                                                                  "type": "Identifier",
+                                                                },
+                                                                "type": "BinaryExpression",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 40,
+                                                                  "line": 12,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 19,
+                                                                  "line": 12,
+                                                                },
+                                                              },
+                                                              "operator": "%",
+                                                              "right": Object {
+                                                                "loc": undefined,
+                                                                "type": "Literal",
+                                                                "value": 5,
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 41,
+                                                                "line": 12,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 12,
+                                                                "line": 12,
+                                                              },
+                                                            },
+                                                            "type": "ReturnStatement",
+                                                          },
+                                                        ],
+                                                        "type": "BlockStatement",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 9,
+                                                          "line": 15,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 8,
+                                                          "line": 10,
+                                                        },
+                                                      },
+                                                      "test": Object {
+                                                        "left": Object {
+                                                          "left": Object {
+                                                            "loc": undefined,
+                                                            "type": "Literal",
+                                                            "value": 1,
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 16,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 11,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "operator": "%",
+                                                          "right": Node {
+                                                            "end": 41,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 16,
+                                                                "line": 3,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 15,
+                                                                "line": 3,
+                                                              },
+                                                            },
+                                                            "raw": "2",
+                                                            "start": 40,
+                                                            "type": "Literal",
+                                                            "value": 2,
+                                                          },
+                                                          "type": "BinaryExpression",
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 22,
+                                                            "line": 3,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 11,
+                                                            "line": 3,
+                                                          },
+                                                        },
+                                                        "operator": "===",
+                                                        "right": Node {
+                                                          "end": 47,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 22,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 21,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "raw": "0",
+                                                          "start": 46,
+                                                          "type": "Literal",
+                                                          "value": 0,
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "type": "IfStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                              ],
+                                              "loc": undefined,
+                                              "type": "BlockExpression",
+                                            },
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Object {
+                                              "name": "to_half",
+                                              "type": "Identifier",
+                                            },
+                                            "init": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "alternate": Object {
+                                                        "body": Array [
+                                                          Object {
+                                                            "argument": Object {
+                                                              "left": Object {
+                                                                "left": Object {
+                                                                  "loc": undefined,
+                                                                  "type": "Literal",
+                                                                  "value": 4,
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 50,
+                                                                    "line": 14,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 19,
+                                                                    "line": 14,
+                                                                  },
+                                                                },
+                                                                "operator": "*",
+                                                                "right": Object {
+                                                                  "arguments": Array [
+                                                                    Object {
+                                                                      "loc": undefined,
+                                                                      "type": "Literal",
+                                                                      "value": 4,
+                                                                    },
+                                                                    Object {
+                                                                      "left": Object {
+                                                                        "loc": undefined,
+                                                                        "type": "Literal",
+                                                                        "value": 1,
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 46,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 39,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "operator": "-",
+                                                                      "right": Node {
+                                                                        "end": 323,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 46,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 45,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "raw": "1",
+                                                                        "start": 322,
+                                                                        "type": "Literal",
+                                                                        "value": 1,
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    Object {
+                                                                      "loc": undefined,
+                                                                      "type": "Literal",
+                                                                      "value": 5,
+                                                                    },
+                                                                  ],
+                                                                  "callee": Object {
+                                                                    "body": Object {
+                                                                      "body": Array [
+                                                                        Object {
+                                                                          "alternate": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "alternate": Object {
+                                                                                  "body": Array [
+                                                                                    Object {
+                                                                                      "argument": Object {
+                                                                                        "left": Object {
+                                                                                          "left": Node {
+                                                                                            "end": 300,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 23,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "base",
+                                                                                            "start": 296,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 50,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "*",
+                                                                                          "right": Object {
+                                                                                            "arguments": Array [
+                                                                                              Node {
+                                                                                                "end": 314,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 37,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 33,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "base",
+                                                                                                "start": 310,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 319,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 42,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 39,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 316,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 46,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 39,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "-",
+                                                                                                "right": Node {
+                                                                                                  "end": 323,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 46,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 45,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "1",
+                                                                                                  "start": 322,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 1,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              Node {
+                                                                                                "end": 326,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 49,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 48,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "m",
+                                                                                                "start": 325,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                            ],
+                                                                                            "callee": [Circular],
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 50,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 26,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "CallExpression",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 54,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "%",
+                                                                                        "right": Node {
+                                                                                          "end": 331,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 54,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 53,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "m",
+                                                                                          "start": 330,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 55,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 12,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "ReturnStatement",
+                                                                                    },
+                                                                                  ],
+                                                                                  "type": "BlockStatement",
+                                                                                },
+                                                                                "consequent": Object {
+                                                                                  "body": Array [
+                                                                                    Object {
+                                                                                      "declarations": Array [
+                                                                                        Object {
+                                                                                          "id": Node {
+                                                                                            "end": 189,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 25,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 18,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 182,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "init": Object {
+                                                                                            "arguments": Array [
+                                                                                              Node {
+                                                                                                "end": 203,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 39,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 35,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "base",
+                                                                                                "start": 199,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 208,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 44,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 41,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 205,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 48,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 41,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "/",
+                                                                                                "right": Node {
+                                                                                                  "end": 212,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 48,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 47,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "2",
+                                                                                                  "start": 211,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 2,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              Node {
+                                                                                                "end": 215,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 51,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 50,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "m",
+                                                                                                "start": 214,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                            ],
+                                                                                            "callee": [Circular],
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 52,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 28,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "CallExpression",
+                                                                                          },
+                                                                                          "loc": undefined,
+                                                                                          "type": "VariableDeclarator",
+                                                                                        },
+                                                                                      ],
+                                                                                      "kind": "const",
+                                                                                      "loc": undefined,
+                                                                                      "type": "VariableDeclaration",
+                                                                                    },
+                                                                                    Object {
+                                                                                      "argument": Object {
+                                                                                        "left": Object {
+                                                                                          "left": Node {
+                                                                                            "end": 244,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 26,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 237,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 36,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "*",
+                                                                                          "right": Node {
+                                                                                            "end": 254,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 36,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 29,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 247,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 40,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "%",
+                                                                                        "right": Node {
+                                                                                          "end": 258,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 40,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 39,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "m",
+                                                                                          "start": 257,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 41,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 12,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "ReturnStatement",
+                                                                                    },
+                                                                                  ],
+                                                                                  "type": "BlockStatement",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 9,
+                                                                                    "line": 15,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 10,
+                                                                                  },
+                                                                                },
+                                                                                "test": Object {
+                                                                                  "arguments": Array [
+                                                                                    Node {
+                                                                                      "end": 159,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 23,
+                                                                                          "line": 10,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 20,
+                                                                                          "line": 10,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "exp",
+                                                                                      "start": 156,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                  ],
+                                                                                  "callee": Object {
+                                                                                    "body": Object {
+                                                                                      "body": Array [
+                                                                                        Object {
+                                                                                          "argument": Object {
+                                                                                            "left": Object {
+                                                                                              "left": Node {
+                                                                                                "end": 37,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 12,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 11,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "n",
+                                                                                                "start": 36,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 16,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 11,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "operator": "%",
+                                                                                              "right": Node {
+                                                                                                "end": 41,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 16,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 15,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "raw": "2",
+                                                                                                "start": 40,
+                                                                                                "type": "Literal",
+                                                                                                "value": 2,
+                                                                                              },
+                                                                                              "type": "BinaryExpression",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 22,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 11,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                            },
+                                                                                            "operator": "===",
+                                                                                            "right": Node {
+                                                                                              "end": 47,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 22,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 21,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "raw": "0",
+                                                                                              "start": 46,
+                                                                                              "type": "Literal",
+                                                                                              "value": 0,
+                                                                                            },
+                                                                                            "type": "BinaryExpression",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 23,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 4,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                          },
+                                                                                          "type": "ReturnStatement",
+                                                                                        },
+                                                                                      ],
+                                                                                      "type": "BlockStatement",
+                                                                                    },
+                                                                                    "id": Node {
+                                                                                      "end": 19,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 18,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 11,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "is_even",
+                                                                                      "start": 12,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                    "loc": undefined,
+                                                                                    "params": Array [
+                                                                                      Node {
+                                                                                        "end": 21,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 20,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "n",
+                                                                                        "start": 20,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                    ],
+                                                                                    "type": "FunctionExpression",
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 24,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 12,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                  },
+                                                                                  "type": "CallExpression",
+                                                                                },
+                                                                                "type": "IfStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "consequent": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "argument": Node {
+                                                                                  "end": 121,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 16,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 15,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                  },
+                                                                                  "raw": "1",
+                                                                                  "start": 120,
+                                                                                  "type": "Literal",
+                                                                                  "value": 1,
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 17,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                },
+                                                                                "type": "ReturnStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 5,
+                                                                              "line": 16,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 4,
+                                                                              "line": 7,
+                                                                            },
+                                                                          },
+                                                                          "test": Object {
+                                                                            "left": Node {
+                                                                              "end": 95,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 8,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "name": "exp",
+                                                                              "start": 92,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 17,
+                                                                                "line": 7,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 8,
+                                                                                "line": 7,
+                                                                              },
+                                                                            },
+                                                                            "operator": "===",
+                                                                            "right": Node {
+                                                                              "end": 101,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 17,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "raw": "0",
+                                                                              "start": 100,
+                                                                              "type": "Literal",
+                                                                              "value": 0,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "type": "IfStatement",
+                                                                        },
+                                                                      ],
+                                                                      "type": "BlockStatement",
+                                                                    },
+                                                                    "id": Node {
+                                                                      "end": 67,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 15,
+                                                                          "line": 6,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 9,
+                                                                          "line": 6,
+                                                                        },
+                                                                      },
+                                                                      "name": "expmod",
+                                                                      "start": 61,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    "loc": undefined,
+                                                                    "params": Array [
+                                                                      Node {
+                                                                        "end": 72,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 20,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 16,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "base",
+                                                                        "start": 68,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      Node {
+                                                                        "end": 77,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 25,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 22,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "exp",
+                                                                        "start": 74,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      Node {
+                                                                        "end": 80,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 28,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 27,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 79,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                    ],
+                                                                    "type": "FunctionExpression",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 50,
+                                                                      "line": 14,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 26,
+                                                                      "line": 14,
+                                                                    },
+                                                                  },
+                                                                  "type": "CallExpression",
+                                                                },
+                                                                "type": "BinaryExpression",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 54,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 19,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "operator": "%",
+                                                              "right": Object {
+                                                                "loc": undefined,
+                                                                "type": "Literal",
+                                                                "value": 5,
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 55,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 12,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "type": "ReturnStatement",
+                                                          },
+                                                        ],
+                                                        "type": "BlockStatement",
+                                                      },
+                                                      "consequent": Object {
+                                                        "body": Array [
+                                                          Object {
+                                                            "declarations": Array [
+                                                              Object {
+                                                                "id": Node {
+                                                                  "end": 189,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 25,
+                                                                      "line": 11,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 18,
+                                                                      "line": 11,
+                                                                    },
+                                                                  },
+                                                                  "name": "to_half",
+                                                                  "start": 182,
+                                                                  "type": "Identifier",
+                                                                },
+                                                                "init": Object {
+                                                                  "arguments": Array [
+                                                                    Object {
+                                                                      "loc": undefined,
+                                                                      "type": "Literal",
+                                                                      "value": 4,
+                                                                    },
+                                                                    Object {
+                                                                      "left": Object {
+                                                                        "loc": undefined,
+                                                                        "type": "Literal",
+                                                                        "value": 1,
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 48,
+                                                                          "line": 11,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 41,
+                                                                          "line": 11,
+                                                                        },
+                                                                      },
+                                                                      "operator": "/",
+                                                                      "right": Node {
+                                                                        "end": 212,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 48,
+                                                                            "line": 11,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 47,
+                                                                            "line": 11,
+                                                                          },
+                                                                        },
+                                                                        "raw": "2",
+                                                                        "start": 211,
+                                                                        "type": "Literal",
+                                                                        "value": 2,
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    Object {
+                                                                      "loc": undefined,
+                                                                      "type": "Literal",
+                                                                      "value": 5,
+                                                                    },
+                                                                  ],
+                                                                  "callee": Object {
+                                                                    "body": Object {
+                                                                      "body": Array [
+                                                                        Object {
+                                                                          "alternate": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "alternate": Object {
+                                                                                  "body": Array [
+                                                                                    Object {
+                                                                                      "argument": Object {
+                                                                                        "left": Object {
+                                                                                          "left": Node {
+                                                                                            "end": 300,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 23,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "base",
+                                                                                            "start": 296,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 50,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "*",
+                                                                                          "right": Object {
+                                                                                            "arguments": Array [
+                                                                                              Node {
+                                                                                                "end": 314,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 37,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 33,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "base",
+                                                                                                "start": 310,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 319,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 42,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 39,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 316,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 46,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 39,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "-",
+                                                                                                "right": Node {
+                                                                                                  "end": 323,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 46,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 45,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "1",
+                                                                                                  "start": 322,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 1,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              Node {
+                                                                                                "end": 326,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 49,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 48,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "m",
+                                                                                                "start": 325,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                            ],
+                                                                                            "callee": [Circular],
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 50,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 26,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "CallExpression",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 54,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "%",
+                                                                                        "right": Node {
+                                                                                          "end": 331,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 54,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 53,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "m",
+                                                                                          "start": 330,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 55,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 12,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "ReturnStatement",
+                                                                                    },
+                                                                                  ],
+                                                                                  "type": "BlockStatement",
+                                                                                },
+                                                                                "consequent": Object {
+                                                                                  "body": Array [
+                                                                                    Object {
+                                                                                      "declarations": Array [
+                                                                                        Object {
+                                                                                          "id": Node {
+                                                                                            "end": 189,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 25,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 18,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 182,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "init": Object {
+                                                                                            "arguments": Array [
+                                                                                              Node {
+                                                                                                "end": 203,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 39,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 35,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "base",
+                                                                                                "start": 199,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 208,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 44,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 41,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 205,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 48,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 41,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "/",
+                                                                                                "right": Node {
+                                                                                                  "end": 212,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 48,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 47,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "2",
+                                                                                                  "start": 211,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 2,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              Node {
+                                                                                                "end": 215,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 51,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 50,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "m",
+                                                                                                "start": 214,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                            ],
+                                                                                            "callee": [Circular],
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 52,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 28,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "CallExpression",
+                                                                                          },
+                                                                                          "loc": undefined,
+                                                                                          "type": "VariableDeclarator",
+                                                                                        },
+                                                                                      ],
+                                                                                      "kind": "const",
+                                                                                      "loc": undefined,
+                                                                                      "type": "VariableDeclaration",
+                                                                                    },
+                                                                                    Object {
+                                                                                      "argument": Object {
+                                                                                        "left": Object {
+                                                                                          "left": Node {
+                                                                                            "end": 244,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 26,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 237,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 36,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "*",
+                                                                                          "right": Node {
+                                                                                            "end": 254,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 36,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 29,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 247,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 40,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "%",
+                                                                                        "right": Node {
+                                                                                          "end": 258,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 40,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 39,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "m",
+                                                                                          "start": 257,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 41,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 12,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "ReturnStatement",
+                                                                                    },
+                                                                                  ],
+                                                                                  "type": "BlockStatement",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 9,
+                                                                                    "line": 15,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 10,
+                                                                                  },
+                                                                                },
+                                                                                "test": Object {
+                                                                                  "arguments": Array [
+                                                                                    Node {
+                                                                                      "end": 159,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 23,
+                                                                                          "line": 10,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 20,
+                                                                                          "line": 10,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "exp",
+                                                                                      "start": 156,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                  ],
+                                                                                  "callee": Object {
+                                                                                    "body": Object {
+                                                                                      "body": Array [
+                                                                                        Object {
+                                                                                          "argument": Object {
+                                                                                            "left": Object {
+                                                                                              "left": Node {
+                                                                                                "end": 37,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 12,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 11,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "n",
+                                                                                                "start": 36,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 16,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 11,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "operator": "%",
+                                                                                              "right": Node {
+                                                                                                "end": 41,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 16,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 15,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "raw": "2",
+                                                                                                "start": 40,
+                                                                                                "type": "Literal",
+                                                                                                "value": 2,
+                                                                                              },
+                                                                                              "type": "BinaryExpression",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 22,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 11,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                            },
+                                                                                            "operator": "===",
+                                                                                            "right": Node {
+                                                                                              "end": 47,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 22,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 21,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "raw": "0",
+                                                                                              "start": 46,
+                                                                                              "type": "Literal",
+                                                                                              "value": 0,
+                                                                                            },
+                                                                                            "type": "BinaryExpression",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 23,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 4,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                          },
+                                                                                          "type": "ReturnStatement",
+                                                                                        },
+                                                                                      ],
+                                                                                      "type": "BlockStatement",
+                                                                                    },
+                                                                                    "id": Node {
+                                                                                      "end": 19,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 18,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 11,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "is_even",
+                                                                                      "start": 12,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                    "loc": undefined,
+                                                                                    "params": Array [
+                                                                                      Node {
+                                                                                        "end": 21,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 20,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "n",
+                                                                                        "start": 20,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                    ],
+                                                                                    "type": "FunctionExpression",
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 24,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 12,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                  },
+                                                                                  "type": "CallExpression",
+                                                                                },
+                                                                                "type": "IfStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "consequent": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "argument": Node {
+                                                                                  "end": 121,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 16,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 15,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                  },
+                                                                                  "raw": "1",
+                                                                                  "start": 120,
+                                                                                  "type": "Literal",
+                                                                                  "value": 1,
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 17,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                },
+                                                                                "type": "ReturnStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 5,
+                                                                              "line": 16,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 4,
+                                                                              "line": 7,
+                                                                            },
+                                                                          },
+                                                                          "test": Object {
+                                                                            "left": Node {
+                                                                              "end": 95,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 8,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "name": "exp",
+                                                                              "start": 92,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 17,
+                                                                                "line": 7,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 8,
+                                                                                "line": 7,
+                                                                              },
+                                                                            },
+                                                                            "operator": "===",
+                                                                            "right": Node {
+                                                                              "end": 101,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 17,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "raw": "0",
+                                                                              "start": 100,
+                                                                              "type": "Literal",
+                                                                              "value": 0,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "type": "IfStatement",
+                                                                        },
+                                                                      ],
+                                                                      "type": "BlockStatement",
+                                                                    },
+                                                                    "id": Node {
+                                                                      "end": 67,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 15,
+                                                                          "line": 6,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 9,
+                                                                          "line": 6,
+                                                                        },
+                                                                      },
+                                                                      "name": "expmod",
+                                                                      "start": 61,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    "loc": undefined,
+                                                                    "params": Array [
+                                                                      Node {
+                                                                        "end": 72,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 20,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 16,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "base",
+                                                                        "start": 68,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      Node {
+                                                                        "end": 77,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 25,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 22,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "exp",
+                                                                        "start": 74,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      Node {
+                                                                        "end": 80,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 28,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 27,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 79,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                    ],
+                                                                    "type": "FunctionExpression",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 52,
+                                                                      "line": 11,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 28,
+                                                                      "line": 11,
+                                                                    },
+                                                                  },
+                                                                  "type": "CallExpression",
+                                                                },
+                                                                "loc": undefined,
+                                                                "type": "VariableDeclarator",
+                                                              },
+                                                            ],
+                                                            "kind": "const",
+                                                            "loc": undefined,
+                                                            "type": "VariableDeclaration",
+                                                          },
+                                                          Object {
+                                                            "argument": Object {
+                                                              "left": Object {
+                                                                "left": Node {
+                                                                  "end": 244,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 26,
+                                                                      "line": 12,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 19,
+                                                                      "line": 12,
+                                                                    },
+                                                                  },
+                                                                  "name": "to_half",
+                                                                  "start": 237,
+                                                                  "type": "Identifier",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 36,
+                                                                    "line": 12,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 19,
+                                                                    "line": 12,
+                                                                  },
+                                                                },
+                                                                "operator": "*",
+                                                                "right": Node {
+                                                                  "end": 254,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 36,
+                                                                      "line": 12,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 29,
+                                                                      "line": 12,
+                                                                    },
+                                                                  },
+                                                                  "name": "to_half",
+                                                                  "start": 247,
+                                                                  "type": "Identifier",
+                                                                },
+                                                                "type": "BinaryExpression",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 40,
+                                                                  "line": 12,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 19,
+                                                                  "line": 12,
+                                                                },
+                                                              },
+                                                              "operator": "%",
+                                                              "right": Object {
+                                                                "loc": undefined,
+                                                                "type": "Literal",
+                                                                "value": 5,
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 41,
+                                                                "line": 12,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 12,
+                                                                "line": 12,
+                                                              },
+                                                            },
+                                                            "type": "ReturnStatement",
+                                                          },
+                                                        ],
+                                                        "type": "BlockStatement",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 9,
+                                                          "line": 15,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 8,
+                                                          "line": 10,
+                                                        },
+                                                      },
+                                                      "test": Object {
+                                                        "left": Node {
+                                                          "end": 1,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 1,
+                                                              "line": 1,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 0,
+                                                              "line": 1,
+                                                            },
+                                                          },
+                                                          "raw": "1",
+                                                          "start": 0,
+                                                          "type": "Literal",
+                                                          "value": 1,
+                                                        },
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 22,
+                                                            "line": 3,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 11,
+                                                            "line": 3,
+                                                          },
+                                                        },
+                                                        "operator": "===",
+                                                        "right": Node {
+                                                          "end": 47,
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 22,
+                                                              "line": 3,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 21,
+                                                              "line": 3,
+                                                            },
+                                                          },
+                                                          "raw": "0",
+                                                          "start": 46,
+                                                          "type": "Literal",
+                                                          "value": 0,
+                                                        },
+                                                        "type": "BinaryExpression",
+                                                      },
+                                                      "type": "IfStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                              ],
+                                              "loc": undefined,
+                                              "type": "BlockExpression",
+                                            },
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Object {
+                                              "name": "to_half",
+                                              "type": "Identifier",
+                                            },
+                                            "init": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "alternate": Object {
+                                                        "body": Array [
+                                                          Object {
+                                                            "argument": Object {
+                                                              "left": Object {
+                                                                "left": Object {
+                                                                  "loc": undefined,
+                                                                  "type": "Literal",
+                                                                  "value": 4,
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 50,
+                                                                    "line": 14,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 19,
+                                                                    "line": 14,
+                                                                  },
+                                                                },
+                                                                "operator": "*",
+                                                                "right": Object {
+                                                                  "arguments": Array [
+                                                                    Object {
+                                                                      "loc": undefined,
+                                                                      "type": "Literal",
+                                                                      "value": 4,
+                                                                    },
+                                                                    Object {
+                                                                      "left": Object {
+                                                                        "loc": undefined,
+                                                                        "type": "Literal",
+                                                                        "value": 1,
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 46,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 39,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "operator": "-",
+                                                                      "right": Node {
+                                                                        "end": 323,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 46,
+                                                                            "line": 14,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 45,
+                                                                            "line": 14,
+                                                                          },
+                                                                        },
+                                                                        "raw": "1",
+                                                                        "start": 322,
+                                                                        "type": "Literal",
+                                                                        "value": 1,
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    Object {
+                                                                      "loc": undefined,
+                                                                      "type": "Literal",
+                                                                      "value": 5,
+                                                                    },
+                                                                  ],
+                                                                  "callee": Object {
+                                                                    "body": Object {
+                                                                      "body": Array [
+                                                                        Object {
+                                                                          "alternate": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "alternate": Object {
+                                                                                  "body": Array [
+                                                                                    Object {
+                                                                                      "argument": Object {
+                                                                                        "left": Object {
+                                                                                          "left": Node {
+                                                                                            "end": 300,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 23,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "base",
+                                                                                            "start": 296,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 50,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "*",
+                                                                                          "right": Object {
+                                                                                            "arguments": Array [
+                                                                                              Node {
+                                                                                                "end": 314,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 37,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 33,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "base",
+                                                                                                "start": 310,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 319,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 42,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 39,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 316,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 46,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 39,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "-",
+                                                                                                "right": Node {
+                                                                                                  "end": 323,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 46,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 45,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "1",
+                                                                                                  "start": 322,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 1,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              Node {
+                                                                                                "end": 326,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 49,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 48,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "m",
+                                                                                                "start": 325,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                            ],
+                                                                                            "callee": [Circular],
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 50,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 26,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "CallExpression",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 54,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "%",
+                                                                                        "right": Node {
+                                                                                          "end": 331,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 54,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 53,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "m",
+                                                                                          "start": 330,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 55,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 12,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "ReturnStatement",
+                                                                                    },
+                                                                                  ],
+                                                                                  "type": "BlockStatement",
+                                                                                },
+                                                                                "consequent": Object {
+                                                                                  "body": Array [
+                                                                                    Object {
+                                                                                      "declarations": Array [
+                                                                                        Object {
+                                                                                          "id": Node {
+                                                                                            "end": 189,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 25,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 18,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 182,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "init": Object {
+                                                                                            "arguments": Array [
+                                                                                              Node {
+                                                                                                "end": 203,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 39,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 35,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "base",
+                                                                                                "start": 199,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 208,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 44,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 41,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 205,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 48,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 41,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "/",
+                                                                                                "right": Node {
+                                                                                                  "end": 212,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 48,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 47,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "2",
+                                                                                                  "start": 211,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 2,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              Node {
+                                                                                                "end": 215,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 51,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 50,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "m",
+                                                                                                "start": 214,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                            ],
+                                                                                            "callee": [Circular],
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 52,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 28,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "CallExpression",
+                                                                                          },
+                                                                                          "loc": undefined,
+                                                                                          "type": "VariableDeclarator",
+                                                                                        },
+                                                                                      ],
+                                                                                      "kind": "const",
+                                                                                      "loc": undefined,
+                                                                                      "type": "VariableDeclaration",
+                                                                                    },
+                                                                                    Object {
+                                                                                      "argument": Object {
+                                                                                        "left": Object {
+                                                                                          "left": Node {
+                                                                                            "end": 244,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 26,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 237,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 36,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "*",
+                                                                                          "right": Node {
+                                                                                            "end": 254,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 36,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 29,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 247,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 40,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "%",
+                                                                                        "right": Node {
+                                                                                          "end": 258,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 40,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 39,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "m",
+                                                                                          "start": 257,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 41,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 12,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "ReturnStatement",
+                                                                                    },
+                                                                                  ],
+                                                                                  "type": "BlockStatement",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 9,
+                                                                                    "line": 15,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 10,
+                                                                                  },
+                                                                                },
+                                                                                "test": Object {
+                                                                                  "arguments": Array [
+                                                                                    Node {
+                                                                                      "end": 159,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 23,
+                                                                                          "line": 10,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 20,
+                                                                                          "line": 10,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "exp",
+                                                                                      "start": 156,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                  ],
+                                                                                  "callee": Object {
+                                                                                    "body": Object {
+                                                                                      "body": Array [
+                                                                                        Object {
+                                                                                          "argument": Object {
+                                                                                            "left": Object {
+                                                                                              "left": Node {
+                                                                                                "end": 37,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 12,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 11,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "n",
+                                                                                                "start": 36,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 16,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 11,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "operator": "%",
+                                                                                              "right": Node {
+                                                                                                "end": 41,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 16,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 15,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "raw": "2",
+                                                                                                "start": 40,
+                                                                                                "type": "Literal",
+                                                                                                "value": 2,
+                                                                                              },
+                                                                                              "type": "BinaryExpression",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 22,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 11,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                            },
+                                                                                            "operator": "===",
+                                                                                            "right": Node {
+                                                                                              "end": 47,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 22,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 21,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "raw": "0",
+                                                                                              "start": 46,
+                                                                                              "type": "Literal",
+                                                                                              "value": 0,
+                                                                                            },
+                                                                                            "type": "BinaryExpression",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 23,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 4,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                          },
+                                                                                          "type": "ReturnStatement",
+                                                                                        },
+                                                                                      ],
+                                                                                      "type": "BlockStatement",
+                                                                                    },
+                                                                                    "id": Node {
+                                                                                      "end": 19,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 18,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 11,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "is_even",
+                                                                                      "start": 12,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                    "loc": undefined,
+                                                                                    "params": Array [
+                                                                                      Node {
+                                                                                        "end": 21,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 20,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "n",
+                                                                                        "start": 20,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                    ],
+                                                                                    "type": "FunctionExpression",
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 24,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 12,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                  },
+                                                                                  "type": "CallExpression",
+                                                                                },
+                                                                                "type": "IfStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "consequent": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "argument": Node {
+                                                                                  "end": 121,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 16,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 15,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                  },
+                                                                                  "raw": "1",
+                                                                                  "start": 120,
+                                                                                  "type": "Literal",
+                                                                                  "value": 1,
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 17,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                },
+                                                                                "type": "ReturnStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 5,
+                                                                              "line": 16,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 4,
+                                                                              "line": 7,
+                                                                            },
+                                                                          },
+                                                                          "test": Object {
+                                                                            "left": Node {
+                                                                              "end": 95,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 8,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "name": "exp",
+                                                                              "start": 92,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 17,
+                                                                                "line": 7,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 8,
+                                                                                "line": 7,
+                                                                              },
+                                                                            },
+                                                                            "operator": "===",
+                                                                            "right": Node {
+                                                                              "end": 101,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 17,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "raw": "0",
+                                                                              "start": 100,
+                                                                              "type": "Literal",
+                                                                              "value": 0,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "type": "IfStatement",
+                                                                        },
+                                                                      ],
+                                                                      "type": "BlockStatement",
+                                                                    },
+                                                                    "id": Node {
+                                                                      "end": 67,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 15,
+                                                                          "line": 6,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 9,
+                                                                          "line": 6,
+                                                                        },
+                                                                      },
+                                                                      "name": "expmod",
+                                                                      "start": 61,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    "loc": undefined,
+                                                                    "params": Array [
+                                                                      Node {
+                                                                        "end": 72,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 20,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 16,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "base",
+                                                                        "start": 68,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      Node {
+                                                                        "end": 77,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 25,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 22,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "exp",
+                                                                        "start": 74,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      Node {
+                                                                        "end": 80,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 28,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 27,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 79,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                    ],
+                                                                    "type": "FunctionExpression",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 50,
+                                                                      "line": 14,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 26,
+                                                                      "line": 14,
+                                                                    },
+                                                                  },
+                                                                  "type": "CallExpression",
+                                                                },
+                                                                "type": "BinaryExpression",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 54,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 19,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "operator": "%",
+                                                              "right": Object {
+                                                                "loc": undefined,
+                                                                "type": "Literal",
+                                                                "value": 5,
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 55,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 12,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "type": "ReturnStatement",
+                                                          },
+                                                        ],
+                                                        "type": "BlockStatement",
+                                                      },
+                                                      "consequent": Object {
+                                                        "body": Array [
+                                                          Object {
+                                                            "declarations": Array [
+                                                              Object {
+                                                                "id": Node {
+                                                                  "end": 189,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 25,
+                                                                      "line": 11,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 18,
+                                                                      "line": 11,
+                                                                    },
+                                                                  },
+                                                                  "name": "to_half",
+                                                                  "start": 182,
+                                                                  "type": "Identifier",
+                                                                },
+                                                                "init": Object {
+                                                                  "arguments": Array [
+                                                                    Object {
+                                                                      "loc": undefined,
+                                                                      "type": "Literal",
+                                                                      "value": 4,
+                                                                    },
+                                                                    Object {
+                                                                      "left": Object {
+                                                                        "loc": undefined,
+                                                                        "type": "Literal",
+                                                                        "value": 1,
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 48,
+                                                                          "line": 11,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 41,
+                                                                          "line": 11,
+                                                                        },
+                                                                      },
+                                                                      "operator": "/",
+                                                                      "right": Node {
+                                                                        "end": 212,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 48,
+                                                                            "line": 11,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 47,
+                                                                            "line": 11,
+                                                                          },
+                                                                        },
+                                                                        "raw": "2",
+                                                                        "start": 211,
+                                                                        "type": "Literal",
+                                                                        "value": 2,
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    Object {
+                                                                      "loc": undefined,
+                                                                      "type": "Literal",
+                                                                      "value": 5,
+                                                                    },
+                                                                  ],
+                                                                  "callee": Object {
+                                                                    "body": Object {
+                                                                      "body": Array [
+                                                                        Object {
+                                                                          "alternate": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "alternate": Object {
+                                                                                  "body": Array [
+                                                                                    Object {
+                                                                                      "argument": Object {
+                                                                                        "left": Object {
+                                                                                          "left": Node {
+                                                                                            "end": 300,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 23,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "base",
+                                                                                            "start": 296,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 50,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "*",
+                                                                                          "right": Object {
+                                                                                            "arguments": Array [
+                                                                                              Node {
+                                                                                                "end": 314,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 37,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 33,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "base",
+                                                                                                "start": 310,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 319,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 42,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 39,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 316,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 46,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 39,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "-",
+                                                                                                "right": Node {
+                                                                                                  "end": 323,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 46,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 45,
+                                                                                                      "line": 14,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "1",
+                                                                                                  "start": 322,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 1,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              Node {
+                                                                                                "end": 326,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 49,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 48,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "m",
+                                                                                                "start": 325,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                            ],
+                                                                                            "callee": [Circular],
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 50,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 26,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "CallExpression",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 54,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "%",
+                                                                                        "right": Node {
+                                                                                          "end": 331,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 54,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 53,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "m",
+                                                                                          "start": 330,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 55,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 12,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "ReturnStatement",
+                                                                                    },
+                                                                                  ],
+                                                                                  "type": "BlockStatement",
+                                                                                },
+                                                                                "consequent": Object {
+                                                                                  "body": Array [
+                                                                                    Object {
+                                                                                      "declarations": Array [
+                                                                                        Object {
+                                                                                          "id": Node {
+                                                                                            "end": 189,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 25,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 18,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 182,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "init": Object {
+                                                                                            "arguments": Array [
+                                                                                              Node {
+                                                                                                "end": 203,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 39,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 35,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "base",
+                                                                                                "start": 199,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 208,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 44,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 41,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 205,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 48,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 41,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "/",
+                                                                                                "right": Node {
+                                                                                                  "end": 212,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 48,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 47,
+                                                                                                      "line": 11,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "2",
+                                                                                                  "start": 211,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 2,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              Node {
+                                                                                                "end": 215,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 51,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 50,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "m",
+                                                                                                "start": 214,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                            ],
+                                                                                            "callee": [Circular],
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 52,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 28,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                            },
+                                                                                            "type": "CallExpression",
+                                                                                          },
+                                                                                          "loc": undefined,
+                                                                                          "type": "VariableDeclarator",
+                                                                                        },
+                                                                                      ],
+                                                                                      "kind": "const",
+                                                                                      "loc": undefined,
+                                                                                      "type": "VariableDeclaration",
+                                                                                    },
+                                                                                    Object {
+                                                                                      "argument": Object {
+                                                                                        "left": Object {
+                                                                                          "left": Node {
+                                                                                            "end": 244,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 26,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 19,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 237,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 36,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "*",
+                                                                                          "right": Node {
+                                                                                            "end": 254,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 36,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 29,
+                                                                                                "line": 12,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "to_half",
+                                                                                            "start": 247,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 40,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "%",
+                                                                                        "right": Node {
+                                                                                          "end": 258,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 40,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 39,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "m",
+                                                                                          "start": 257,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 41,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 12,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "ReturnStatement",
+                                                                                    },
+                                                                                  ],
+                                                                                  "type": "BlockStatement",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 9,
+                                                                                    "line": 15,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 10,
+                                                                                  },
+                                                                                },
+                                                                                "test": Object {
+                                                                                  "arguments": Array [
+                                                                                    Node {
+                                                                                      "end": 159,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 23,
+                                                                                          "line": 10,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 20,
+                                                                                          "line": 10,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "exp",
+                                                                                      "start": 156,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                  ],
+                                                                                  "callee": Object {
+                                                                                    "body": Object {
+                                                                                      "body": Array [
+                                                                                        Object {
+                                                                                          "argument": Object {
+                                                                                            "left": Object {
+                                                                                              "left": Node {
+                                                                                                "end": 37,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 12,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 11,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "n",
+                                                                                                "start": 36,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 16,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 11,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "operator": "%",
+                                                                                              "right": Node {
+                                                                                                "end": 41,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 16,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 15,
+                                                                                                    "line": 3,
+                                                                                                  },
+                                                                                                },
+                                                                                                "raw": "2",
+                                                                                                "start": 40,
+                                                                                                "type": "Literal",
+                                                                                                "value": 2,
+                                                                                              },
+                                                                                              "type": "BinaryExpression",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 22,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 11,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                            },
+                                                                                            "operator": "===",
+                                                                                            "right": Node {
+                                                                                              "end": 47,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 22,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 21,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "raw": "0",
+                                                                                              "start": 46,
+                                                                                              "type": "Literal",
+                                                                                              "value": 0,
+                                                                                            },
+                                                                                            "type": "BinaryExpression",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 23,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 4,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                          },
+                                                                                          "type": "ReturnStatement",
+                                                                                        },
+                                                                                      ],
+                                                                                      "type": "BlockStatement",
+                                                                                    },
+                                                                                    "id": Node {
+                                                                                      "end": 19,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 18,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 11,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "is_even",
+                                                                                      "start": 12,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                    "loc": undefined,
+                                                                                    "params": Array [
+                                                                                      Node {
+                                                                                        "end": 21,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 20,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 2,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "n",
+                                                                                        "start": 20,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                    ],
+                                                                                    "type": "FunctionExpression",
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 24,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 12,
+                                                                                      "line": 10,
+                                                                                    },
+                                                                                  },
+                                                                                  "type": "CallExpression",
+                                                                                },
+                                                                                "type": "IfStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "consequent": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "argument": Node {
+                                                                                  "end": 121,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 16,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 15,
+                                                                                      "line": 8,
+                                                                                    },
+                                                                                  },
+                                                                                  "raw": "1",
+                                                                                  "start": 120,
+                                                                                  "type": "Literal",
+                                                                                  "value": 1,
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 17,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 8,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                },
+                                                                                "type": "ReturnStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 5,
+                                                                              "line": 16,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 4,
+                                                                              "line": 7,
+                                                                            },
+                                                                          },
+                                                                          "test": Object {
+                                                                            "left": Node {
+                                                                              "end": 95,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 11,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 8,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "name": "exp",
+                                                                              "start": 92,
+                                                                              "type": "Identifier",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 17,
+                                                                                "line": 7,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 8,
+                                                                                "line": 7,
+                                                                              },
+                                                                            },
+                                                                            "operator": "===",
+                                                                            "right": Node {
+                                                                              "end": 101,
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 17,
+                                                                                  "line": 7,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 16,
+                                                                                  "line": 7,
+                                                                                },
+                                                                              },
+                                                                              "raw": "0",
+                                                                              "start": 100,
+                                                                              "type": "Literal",
+                                                                              "value": 0,
+                                                                            },
+                                                                            "type": "BinaryExpression",
+                                                                          },
+                                                                          "type": "IfStatement",
+                                                                        },
+                                                                      ],
+                                                                      "type": "BlockStatement",
+                                                                    },
+                                                                    "id": Node {
+                                                                      "end": 67,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 15,
+                                                                          "line": 6,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 9,
+                                                                          "line": 6,
+                                                                        },
+                                                                      },
+                                                                      "name": "expmod",
+                                                                      "start": 61,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    "loc": undefined,
+                                                                    "params": Array [
+                                                                      Node {
+                                                                        "end": 72,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 20,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 16,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "base",
+                                                                        "start": 68,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      Node {
+                                                                        "end": 77,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 25,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 22,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "exp",
+                                                                        "start": 74,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                      Node {
+                                                                        "end": 80,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 28,
+                                                                            "line": 6,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 27,
+                                                                            "line": 6,
+                                                                          },
+                                                                        },
+                                                                        "name": "m",
+                                                                        "start": 79,
+                                                                        "type": "Identifier",
+                                                                      },
+                                                                    ],
+                                                                    "type": "FunctionExpression",
+                                                                  },
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 52,
+                                                                      "line": 11,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 28,
+                                                                      "line": 11,
+                                                                    },
+                                                                  },
+                                                                  "type": "CallExpression",
+                                                                },
+                                                                "loc": undefined,
+                                                                "type": "VariableDeclarator",
+                                                              },
+                                                            ],
+                                                            "kind": "const",
+                                                            "loc": undefined,
+                                                            "type": "VariableDeclaration",
+                                                          },
+                                                          Object {
+                                                            "argument": Object {
+                                                              "left": Object {
+                                                                "left": Node {
+                                                                  "end": 244,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 26,
+                                                                      "line": 12,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 19,
+                                                                      "line": 12,
+                                                                    },
+                                                                  },
+                                                                  "name": "to_half",
+                                                                  "start": 237,
+                                                                  "type": "Identifier",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 36,
+                                                                    "line": 12,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 19,
+                                                                    "line": 12,
+                                                                  },
+                                                                },
+                                                                "operator": "*",
+                                                                "right": Node {
+                                                                  "end": 254,
+                                                                  "loc": SourceLocation {
+                                                                    "end": Position {
+                                                                      "column": 36,
+                                                                      "line": 12,
+                                                                    },
+                                                                    "start": Position {
+                                                                      "column": 29,
+                                                                      "line": 12,
+                                                                    },
+                                                                  },
+                                                                  "name": "to_half",
+                                                                  "start": 247,
+                                                                  "type": "Identifier",
+                                                                },
+                                                                "type": "BinaryExpression",
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 40,
+                                                                  "line": 12,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 19,
+                                                                  "line": 12,
+                                                                },
+                                                              },
+                                                              "operator": "%",
+                                                              "right": Object {
+                                                                "loc": undefined,
+                                                                "type": "Literal",
+                                                                "value": 5,
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 41,
+                                                                "line": 12,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 12,
+                                                                "line": 12,
+                                                              },
+                                                            },
+                                                            "type": "ReturnStatement",
+                                                          },
+                                                        ],
+                                                        "type": "BlockStatement",
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 9,
+                                                          "line": 15,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 8,
+                                                          "line": 10,
+                                                        },
+                                                      },
+                                                      "test": Node {
+                                                        "end": 5,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 5,
+                                                            "line": 1,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 0,
+                                                            "line": 1,
+                                                          },
+                                                        },
+                                                        "raw": "false",
+                                                        "start": 0,
+                                                        "type": "Literal",
+                                                        "value": false,
+                                                      },
+                                                      "type": "IfStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                              ],
+                                              "loc": undefined,
+                                              "type": "BlockExpression",
+                                            },
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Object {
+                                              "name": "to_half",
+                                              "type": "Identifier",
+                                            },
+                                            "init": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "body": Array [
+                                                        Object {
+                                                          "argument": Object {
+                                                            "left": Object {
+                                                              "left": Object {
+                                                                "loc": undefined,
+                                                                "type": "Literal",
+                                                                "value": 4,
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 50,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 19,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "operator": "*",
+                                                              "right": Object {
+                                                                "arguments": Array [
+                                                                  Object {
+                                                                    "loc": undefined,
+                                                                    "type": "Literal",
+                                                                    "value": 4,
+                                                                  },
+                                                                  Object {
+                                                                    "left": Object {
+                                                                      "loc": undefined,
+                                                                      "type": "Literal",
+                                                                      "value": 1,
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 46,
+                                                                        "line": 14,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 39,
+                                                                        "line": 14,
+                                                                      },
+                                                                    },
+                                                                    "operator": "-",
+                                                                    "right": Node {
+                                                                      "end": 323,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 46,
+                                                                          "line": 14,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 45,
+                                                                          "line": 14,
+                                                                        },
+                                                                      },
+                                                                      "raw": "1",
+                                                                      "start": 322,
+                                                                      "type": "Literal",
+                                                                      "value": 1,
+                                                                    },
+                                                                    "type": "BinaryExpression",
+                                                                  },
+                                                                  Object {
+                                                                    "loc": undefined,
+                                                                    "type": "Literal",
+                                                                    "value": 5,
+                                                                  },
+                                                                ],
+                                                                "callee": Object {
+                                                                  "body": Object {
+                                                                    "body": Array [
+                                                                      Object {
+                                                                        "alternate": Object {
+                                                                          "body": Array [
+                                                                            Object {
+                                                                              "alternate": Object {
+                                                                                "body": Array [
+                                                                                  Object {
+                                                                                    "argument": Object {
+                                                                                      "left": Object {
+                                                                                        "left": Node {
+                                                                                          "end": 300,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 23,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "base",
+                                                                                          "start": 296,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 50,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "*",
+                                                                                        "right": Object {
+                                                                                          "arguments": Array [
+                                                                                            Node {
+                                                                                              "end": 314,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 37,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 33,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "base",
+                                                                                              "start": 310,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            Object {
+                                                                                              "left": Node {
+                                                                                                "end": 319,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 42,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 39,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "exp",
+                                                                                                "start": 316,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 46,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 39,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                              },
+                                                                                              "operator": "-",
+                                                                                              "right": Node {
+                                                                                                "end": 323,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 46,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 45,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "raw": "1",
+                                                                                                "start": 322,
+                                                                                                "type": "Literal",
+                                                                                                "value": 1,
+                                                                                              },
+                                                                                              "type": "BinaryExpression",
+                                                                                            },
+                                                                                            Node {
+                                                                                              "end": 326,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 49,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 48,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "m",
+                                                                                              "start": 325,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                          ],
+                                                                                          "callee": [Circular],
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 50,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 26,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "type": "CallExpression",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 54,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 19,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                      },
+                                                                                      "operator": "%",
+                                                                                      "right": Node {
+                                                                                        "end": 331,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 54,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 53,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "m",
+                                                                                        "start": 330,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                      "type": "BinaryExpression",
+                                                                                    },
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 55,
+                                                                                        "line": 14,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 12,
+                                                                                        "line": 14,
+                                                                                      },
+                                                                                    },
+                                                                                    "type": "ReturnStatement",
+                                                                                  },
+                                                                                ],
+                                                                                "type": "BlockStatement",
+                                                                              },
+                                                                              "consequent": Object {
+                                                                                "body": Array [
+                                                                                  Object {
+                                                                                    "declarations": Array [
+                                                                                      Object {
+                                                                                        "id": Node {
+                                                                                          "end": 189,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 25,
+                                                                                              "line": 11,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 18,
+                                                                                              "line": 11,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "to_half",
+                                                                                          "start": 182,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "init": Object {
+                                                                                          "arguments": Array [
+                                                                                            Node {
+                                                                                              "end": 203,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 39,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 35,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "base",
+                                                                                              "start": 199,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            Object {
+                                                                                              "left": Node {
+                                                                                                "end": 208,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 44,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 41,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "exp",
+                                                                                                "start": 205,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 48,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 41,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                              },
+                                                                                              "operator": "/",
+                                                                                              "right": Node {
+                                                                                                "end": 212,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 48,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 47,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "raw": "2",
+                                                                                                "start": 211,
+                                                                                                "type": "Literal",
+                                                                                                "value": 2,
+                                                                                              },
+                                                                                              "type": "BinaryExpression",
+                                                                                            },
+                                                                                            Node {
+                                                                                              "end": 215,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 51,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 50,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "m",
+                                                                                              "start": 214,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                          ],
+                                                                                          "callee": [Circular],
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 52,
+                                                                                              "line": 11,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 28,
+                                                                                              "line": 11,
+                                                                                            },
+                                                                                          },
+                                                                                          "type": "CallExpression",
+                                                                                        },
+                                                                                        "loc": undefined,
+                                                                                        "type": "VariableDeclarator",
+                                                                                      },
+                                                                                    ],
+                                                                                    "kind": "const",
+                                                                                    "loc": undefined,
+                                                                                    "type": "VariableDeclaration",
+                                                                                  },
+                                                                                  Object {
+                                                                                    "argument": Object {
+                                                                                      "left": Object {
+                                                                                        "left": Node {
+                                                                                          "end": 244,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 26,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "to_half",
+                                                                                          "start": 237,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 36,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "*",
+                                                                                        "right": Node {
+                                                                                          "end": 254,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 36,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 29,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "to_half",
+                                                                                          "start": 247,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 40,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 19,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                      },
+                                                                                      "operator": "%",
+                                                                                      "right": Node {
+                                                                                        "end": 258,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 40,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 39,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "m",
+                                                                                        "start": 257,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                      "type": "BinaryExpression",
+                                                                                    },
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 41,
+                                                                                        "line": 12,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 12,
+                                                                                        "line": 12,
+                                                                                      },
+                                                                                    },
+                                                                                    "type": "ReturnStatement",
+                                                                                  },
+                                                                                ],
+                                                                                "type": "BlockStatement",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 9,
+                                                                                  "line": 15,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 8,
+                                                                                  "line": 10,
+                                                                                },
+                                                                              },
+                                                                              "test": Object {
+                                                                                "arguments": Array [
+                                                                                  Node {
+                                                                                    "end": 159,
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 23,
+                                                                                        "line": 10,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 20,
+                                                                                        "line": 10,
+                                                                                      },
+                                                                                    },
+                                                                                    "name": "exp",
+                                                                                    "start": 156,
+                                                                                    "type": "Identifier",
+                                                                                  },
+                                                                                ],
+                                                                                "callee": Object {
+                                                                                  "body": Object {
+                                                                                    "body": Array [
+                                                                                      Object {
+                                                                                        "argument": Object {
+                                                                                          "left": Object {
+                                                                                            "left": Node {
+                                                                                              "end": 37,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 12,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 11,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "n",
+                                                                                              "start": 36,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 16,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 11,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                            },
+                                                                                            "operator": "%",
+                                                                                            "right": Node {
+                                                                                              "end": 41,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 16,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 15,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "raw": "2",
+                                                                                              "start": 40,
+                                                                                              "type": "Literal",
+                                                                                              "value": 2,
+                                                                                            },
+                                                                                            "type": "BinaryExpression",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 22,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 11,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "===",
+                                                                                          "right": Node {
+                                                                                            "end": 47,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 22,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 21,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                            },
+                                                                                            "raw": "0",
+                                                                                            "start": 46,
+                                                                                            "type": "Literal",
+                                                                                            "value": 0,
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 23,
+                                                                                            "line": 3,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 4,
+                                                                                            "line": 3,
+                                                                                          },
+                                                                                        },
+                                                                                        "type": "ReturnStatement",
+                                                                                      },
+                                                                                    ],
+                                                                                    "type": "BlockStatement",
+                                                                                  },
+                                                                                  "id": Node {
+                                                                                    "end": 19,
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 18,
+                                                                                        "line": 2,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 11,
+                                                                                        "line": 2,
+                                                                                      },
+                                                                                    },
+                                                                                    "name": "is_even",
+                                                                                    "start": 12,
+                                                                                    "type": "Identifier",
+                                                                                  },
+                                                                                  "loc": undefined,
+                                                                                  "params": Array [
+                                                                                    Node {
+                                                                                      "end": 21,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 20,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 19,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "n",
+                                                                                      "start": 20,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                  ],
+                                                                                  "type": "FunctionExpression",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 24,
+                                                                                    "line": 10,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 12,
+                                                                                    "line": 10,
+                                                                                  },
+                                                                                },
+                                                                                "type": "CallExpression",
+                                                                              },
+                                                                              "type": "IfStatement",
+                                                                            },
+                                                                          ],
+                                                                          "type": "BlockStatement",
+                                                                        },
+                                                                        "consequent": Object {
+                                                                          "body": Array [
+                                                                            Object {
+                                                                              "argument": Node {
+                                                                                "end": 121,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 16,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 15,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "1",
+                                                                                "start": 120,
+                                                                                "type": "Literal",
+                                                                                "value": 1,
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 17,
+                                                                                  "line": 8,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 8,
+                                                                                  "line": 8,
+                                                                                },
+                                                                              },
+                                                                              "type": "ReturnStatement",
+                                                                            },
+                                                                          ],
+                                                                          "type": "BlockStatement",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 5,
+                                                                            "line": 16,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 4,
+                                                                            "line": 7,
+                                                                          },
+                                                                        },
+                                                                        "test": Object {
+                                                                          "left": Node {
+                                                                            "end": 95,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 11,
+                                                                                "line": 7,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 8,
+                                                                                "line": 7,
+                                                                              },
+                                                                            },
+                                                                            "name": "exp",
+                                                                            "start": 92,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 17,
+                                                                              "line": 7,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 8,
+                                                                              "line": 7,
+                                                                            },
+                                                                          },
+                                                                          "operator": "===",
+                                                                          "right": Node {
+                                                                            "end": 101,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 17,
+                                                                                "line": 7,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 16,
+                                                                                "line": 7,
+                                                                              },
+                                                                            },
+                                                                            "raw": "0",
+                                                                            "start": 100,
+                                                                            "type": "Literal",
+                                                                            "value": 0,
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "type": "IfStatement",
+                                                                      },
+                                                                    ],
+                                                                    "type": "BlockStatement",
+                                                                  },
+                                                                  "id": Node {
+                                                                    "end": 67,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 15,
+                                                                        "line": 6,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 9,
+                                                                        "line": 6,
+                                                                      },
+                                                                    },
+                                                                    "name": "expmod",
+                                                                    "start": 61,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                  "loc": undefined,
+                                                                  "params": Array [
+                                                                    Node {
+                                                                      "end": 72,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 20,
+                                                                          "line": 6,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 16,
+                                                                          "line": 6,
+                                                                        },
+                                                                      },
+                                                                      "name": "base",
+                                                                      "start": 68,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    Node {
+                                                                      "end": 77,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 25,
+                                                                          "line": 6,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 22,
+                                                                          "line": 6,
+                                                                        },
+                                                                      },
+                                                                      "name": "exp",
+                                                                      "start": 74,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    Node {
+                                                                      "end": 80,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 28,
+                                                                          "line": 6,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 27,
+                                                                          "line": 6,
+                                                                        },
+                                                                      },
+                                                                      "name": "m",
+                                                                      "start": 79,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                  ],
+                                                                  "type": "FunctionExpression",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 50,
+                                                                    "line": 14,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 26,
+                                                                    "line": 14,
+                                                                  },
+                                                                },
+                                                                "type": "CallExpression",
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 54,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 19,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "operator": "%",
+                                                            "right": Object {
+                                                              "loc": undefined,
+                                                              "type": "Literal",
+                                                              "value": 5,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 55,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 12,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "type": "ReturnStatement",
+                                                        },
+                                                      ],
+                                                      "type": "BlockStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                              ],
+                                              "loc": undefined,
+                                              "type": "BlockExpression",
+                                            },
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Object {
+                                              "name": "to_half",
+                                              "type": "Identifier",
+                                            },
+                                            "init": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "body": Array [
+                                                        Object {
+                                                          "argument": Object {
+                                                            "left": Object {
+                                                              "left": Object {
+                                                                "loc": undefined,
+                                                                "type": "Literal",
+                                                                "value": 4,
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 50,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 19,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "operator": "*",
+                                                              "right": Object {
+                                                                "arguments": Array [
+                                                                  Object {
+                                                                    "loc": undefined,
+                                                                    "type": "Literal",
+                                                                    "value": 4,
+                                                                  },
+                                                                  Node {
+                                                                    "end": 1,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 1,
+                                                                        "line": 1,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 0,
+                                                                        "line": 1,
+                                                                      },
+                                                                    },
+                                                                    "raw": "0",
+                                                                    "start": 0,
+                                                                    "type": "Literal",
+                                                                    "value": 0,
+                                                                  },
+                                                                  Object {
+                                                                    "loc": undefined,
+                                                                    "type": "Literal",
+                                                                    "value": 5,
+                                                                  },
+                                                                ],
+                                                                "callee": Object {
+                                                                  "body": Object {
+                                                                    "body": Array [
+                                                                      Object {
+                                                                        "alternate": Object {
+                                                                          "body": Array [
+                                                                            Object {
+                                                                              "alternate": Object {
+                                                                                "body": Array [
+                                                                                  Object {
+                                                                                    "argument": Object {
+                                                                                      "left": Object {
+                                                                                        "left": Node {
+                                                                                          "end": 300,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 23,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "base",
+                                                                                          "start": 296,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 50,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "*",
+                                                                                        "right": Object {
+                                                                                          "arguments": Array [
+                                                                                            Node {
+                                                                                              "end": 314,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 37,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 33,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "base",
+                                                                                              "start": 310,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            Object {
+                                                                                              "left": Node {
+                                                                                                "end": 319,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 42,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 39,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "exp",
+                                                                                                "start": 316,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 46,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 39,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                              },
+                                                                                              "operator": "-",
+                                                                                              "right": Node {
+                                                                                                "end": 323,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 46,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 45,
+                                                                                                    "line": 14,
+                                                                                                  },
+                                                                                                },
+                                                                                                "raw": "1",
+                                                                                                "start": 322,
+                                                                                                "type": "Literal",
+                                                                                                "value": 1,
+                                                                                              },
+                                                                                              "type": "BinaryExpression",
+                                                                                            },
+                                                                                            Node {
+                                                                                              "end": 326,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 49,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 48,
+                                                                                                  "line": 14,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "m",
+                                                                                              "start": 325,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                          ],
+                                                                                          "callee": [Circular],
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 50,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 26,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "type": "CallExpression",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 54,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 19,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                      },
+                                                                                      "operator": "%",
+                                                                                      "right": Node {
+                                                                                        "end": 331,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 54,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 53,
+                                                                                            "line": 14,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "m",
+                                                                                        "start": 330,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                      "type": "BinaryExpression",
+                                                                                    },
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 55,
+                                                                                        "line": 14,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 12,
+                                                                                        "line": 14,
+                                                                                      },
+                                                                                    },
+                                                                                    "type": "ReturnStatement",
+                                                                                  },
+                                                                                ],
+                                                                                "type": "BlockStatement",
+                                                                              },
+                                                                              "consequent": Object {
+                                                                                "body": Array [
+                                                                                  Object {
+                                                                                    "declarations": Array [
+                                                                                      Object {
+                                                                                        "id": Node {
+                                                                                          "end": 189,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 25,
+                                                                                              "line": 11,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 18,
+                                                                                              "line": 11,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "to_half",
+                                                                                          "start": 182,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "init": Object {
+                                                                                          "arguments": Array [
+                                                                                            Node {
+                                                                                              "end": 203,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 39,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 35,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "base",
+                                                                                              "start": 199,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            Object {
+                                                                                              "left": Node {
+                                                                                                "end": 208,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 44,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 41,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "name": "exp",
+                                                                                                "start": 205,
+                                                                                                "type": "Identifier",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 48,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 41,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                              },
+                                                                                              "operator": "/",
+                                                                                              "right": Node {
+                                                                                                "end": 212,
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 48,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 47,
+                                                                                                    "line": 11,
+                                                                                                  },
+                                                                                                },
+                                                                                                "raw": "2",
+                                                                                                "start": 211,
+                                                                                                "type": "Literal",
+                                                                                                "value": 2,
+                                                                                              },
+                                                                                              "type": "BinaryExpression",
+                                                                                            },
+                                                                                            Node {
+                                                                                              "end": 215,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 51,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 50,
+                                                                                                  "line": 11,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "m",
+                                                                                              "start": 214,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                          ],
+                                                                                          "callee": [Circular],
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 52,
+                                                                                              "line": 11,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 28,
+                                                                                              "line": 11,
+                                                                                            },
+                                                                                          },
+                                                                                          "type": "CallExpression",
+                                                                                        },
+                                                                                        "loc": undefined,
+                                                                                        "type": "VariableDeclarator",
+                                                                                      },
+                                                                                    ],
+                                                                                    "kind": "const",
+                                                                                    "loc": undefined,
+                                                                                    "type": "VariableDeclaration",
+                                                                                  },
+                                                                                  Object {
+                                                                                    "argument": Object {
+                                                                                      "left": Object {
+                                                                                        "left": Node {
+                                                                                          "end": 244,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 26,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 19,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "to_half",
+                                                                                          "start": 237,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 36,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 19,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "*",
+                                                                                        "right": Node {
+                                                                                          "end": 254,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 36,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 29,
+                                                                                              "line": 12,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "to_half",
+                                                                                          "start": 247,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 40,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 19,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                      },
+                                                                                      "operator": "%",
+                                                                                      "right": Node {
+                                                                                        "end": 258,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 40,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 39,
+                                                                                            "line": 12,
+                                                                                          },
+                                                                                        },
+                                                                                        "name": "m",
+                                                                                        "start": 257,
+                                                                                        "type": "Identifier",
+                                                                                      },
+                                                                                      "type": "BinaryExpression",
+                                                                                    },
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 41,
+                                                                                        "line": 12,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 12,
+                                                                                        "line": 12,
+                                                                                      },
+                                                                                    },
+                                                                                    "type": "ReturnStatement",
+                                                                                  },
+                                                                                ],
+                                                                                "type": "BlockStatement",
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 9,
+                                                                                  "line": 15,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 8,
+                                                                                  "line": 10,
+                                                                                },
+                                                                              },
+                                                                              "test": Object {
+                                                                                "arguments": Array [
+                                                                                  Node {
+                                                                                    "end": 159,
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 23,
+                                                                                        "line": 10,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 20,
+                                                                                        "line": 10,
+                                                                                      },
+                                                                                    },
+                                                                                    "name": "exp",
+                                                                                    "start": 156,
+                                                                                    "type": "Identifier",
+                                                                                  },
+                                                                                ],
+                                                                                "callee": Object {
+                                                                                  "body": Object {
+                                                                                    "body": Array [
+                                                                                      Object {
+                                                                                        "argument": Object {
+                                                                                          "left": Object {
+                                                                                            "left": Node {
+                                                                                              "end": 37,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 12,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 11,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "name": "n",
+                                                                                              "start": 36,
+                                                                                              "type": "Identifier",
+                                                                                            },
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 16,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 11,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                            },
+                                                                                            "operator": "%",
+                                                                                            "right": Node {
+                                                                                              "end": 41,
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 16,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 15,
+                                                                                                  "line": 3,
+                                                                                                },
+                                                                                              },
+                                                                                              "raw": "2",
+                                                                                              "start": 40,
+                                                                                              "type": "Literal",
+                                                                                              "value": 2,
+                                                                                            },
+                                                                                            "type": "BinaryExpression",
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 22,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 11,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "===",
+                                                                                          "right": Node {
+                                                                                            "end": 47,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 22,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 21,
+                                                                                                "line": 3,
+                                                                                              },
+                                                                                            },
+                                                                                            "raw": "0",
+                                                                                            "start": 46,
+                                                                                            "type": "Literal",
+                                                                                            "value": 0,
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 23,
+                                                                                            "line": 3,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 4,
+                                                                                            "line": 3,
+                                                                                          },
+                                                                                        },
+                                                                                        "type": "ReturnStatement",
+                                                                                      },
+                                                                                    ],
+                                                                                    "type": "BlockStatement",
+                                                                                  },
+                                                                                  "id": Node {
+                                                                                    "end": 19,
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 18,
+                                                                                        "line": 2,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 11,
+                                                                                        "line": 2,
+                                                                                      },
+                                                                                    },
+                                                                                    "name": "is_even",
+                                                                                    "start": 12,
+                                                                                    "type": "Identifier",
+                                                                                  },
+                                                                                  "loc": undefined,
+                                                                                  "params": Array [
+                                                                                    Node {
+                                                                                      "end": 21,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 20,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 19,
+                                                                                          "line": 2,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "n",
+                                                                                      "start": 20,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                  ],
+                                                                                  "type": "FunctionExpression",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 24,
+                                                                                    "line": 10,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 12,
+                                                                                    "line": 10,
+                                                                                  },
+                                                                                },
+                                                                                "type": "CallExpression",
+                                                                              },
+                                                                              "type": "IfStatement",
+                                                                            },
+                                                                          ],
+                                                                          "type": "BlockStatement",
+                                                                        },
+                                                                        "consequent": Object {
+                                                                          "body": Array [
+                                                                            Object {
+                                                                              "argument": Node {
+                                                                                "end": 121,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 16,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 15,
+                                                                                    "line": 8,
+                                                                                  },
+                                                                                },
+                                                                                "raw": "1",
+                                                                                "start": 120,
+                                                                                "type": "Literal",
+                                                                                "value": 1,
+                                                                              },
+                                                                              "loc": SourceLocation {
+                                                                                "end": Position {
+                                                                                  "column": 17,
+                                                                                  "line": 8,
+                                                                                },
+                                                                                "start": Position {
+                                                                                  "column": 8,
+                                                                                  "line": 8,
+                                                                                },
+                                                                              },
+                                                                              "type": "ReturnStatement",
+                                                                            },
+                                                                          ],
+                                                                          "type": "BlockStatement",
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 5,
+                                                                            "line": 16,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 4,
+                                                                            "line": 7,
+                                                                          },
+                                                                        },
+                                                                        "test": Object {
+                                                                          "left": Node {
+                                                                            "end": 95,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 11,
+                                                                                "line": 7,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 8,
+                                                                                "line": 7,
+                                                                              },
+                                                                            },
+                                                                            "name": "exp",
+                                                                            "start": 92,
+                                                                            "type": "Identifier",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 17,
+                                                                              "line": 7,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 8,
+                                                                              "line": 7,
+                                                                            },
+                                                                          },
+                                                                          "operator": "===",
+                                                                          "right": Node {
+                                                                            "end": 101,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 17,
+                                                                                "line": 7,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 16,
+                                                                                "line": 7,
+                                                                              },
+                                                                            },
+                                                                            "raw": "0",
+                                                                            "start": 100,
+                                                                            "type": "Literal",
+                                                                            "value": 0,
+                                                                          },
+                                                                          "type": "BinaryExpression",
+                                                                        },
+                                                                        "type": "IfStatement",
+                                                                      },
+                                                                    ],
+                                                                    "type": "BlockStatement",
+                                                                  },
+                                                                  "id": Node {
+                                                                    "end": 67,
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 15,
+                                                                        "line": 6,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 9,
+                                                                        "line": 6,
+                                                                      },
+                                                                    },
+                                                                    "name": "expmod",
+                                                                    "start": 61,
+                                                                    "type": "Identifier",
+                                                                  },
+                                                                  "loc": undefined,
+                                                                  "params": Array [
+                                                                    Node {
+                                                                      "end": 72,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 20,
+                                                                          "line": 6,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 16,
+                                                                          "line": 6,
+                                                                        },
+                                                                      },
+                                                                      "name": "base",
+                                                                      "start": 68,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    Node {
+                                                                      "end": 77,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 25,
+                                                                          "line": 6,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 22,
+                                                                          "line": 6,
+                                                                        },
+                                                                      },
+                                                                      "name": "exp",
+                                                                      "start": 74,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                    Node {
+                                                                      "end": 80,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 28,
+                                                                          "line": 6,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 27,
+                                                                          "line": 6,
+                                                                        },
+                                                                      },
+                                                                      "name": "m",
+                                                                      "start": 79,
+                                                                      "type": "Identifier",
+                                                                    },
+                                                                  ],
+                                                                  "type": "FunctionExpression",
+                                                                },
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 50,
+                                                                    "line": 14,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 26,
+                                                                    "line": 14,
+                                                                  },
+                                                                },
+                                                                "type": "CallExpression",
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 54,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 19,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "operator": "%",
+                                                            "right": Object {
+                                                              "loc": undefined,
+                                                              "type": "Literal",
+                                                              "value": 5,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 55,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 12,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "type": "ReturnStatement",
+                                                        },
+                                                      ],
+                                                      "type": "BlockStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                              ],
+                                              "loc": undefined,
+                                              "type": "BlockExpression",
+                                            },
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Object {
+                                              "name": "to_half",
+                                              "type": "Identifier",
+                                            },
+                                            "init": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "body": Array [
+                                                        Object {
+                                                          "argument": Object {
+                                                            "left": Object {
+                                                              "left": Object {
+                                                                "loc": undefined,
+                                                                "type": "Literal",
+                                                                "value": 4,
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 50,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 19,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "operator": "*",
+                                                              "right": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "alternate": Object {
+                                                                      "body": Array [
+                                                                        Object {
+                                                                          "alternate": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "argument": Object {
+                                                                                  "left": Object {
+                                                                                    "left": Object {
+                                                                                      "loc": undefined,
+                                                                                      "type": "Literal",
+                                                                                      "value": 4,
+                                                                                    },
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 50,
+                                                                                        "line": 14,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 19,
+                                                                                        "line": 14,
+                                                                                      },
+                                                                                    },
+                                                                                    "operator": "*",
+                                                                                    "right": Object {
+                                                                                      "arguments": Array [
+                                                                                        Object {
+                                                                                          "loc": undefined,
+                                                                                          "type": "Literal",
+                                                                                          "value": 4,
+                                                                                        },
+                                                                                        Object {
+                                                                                          "left": Object {
+                                                                                            "loc": undefined,
+                                                                                            "type": "Literal",
+                                                                                            "value": 0,
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 46,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 39,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "-",
+                                                                                          "right": Node {
+                                                                                            "end": 323,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 46,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 45,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "raw": "1",
+                                                                                            "start": 322,
+                                                                                            "type": "Literal",
+                                                                                            "value": 1,
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        Object {
+                                                                                          "loc": undefined,
+                                                                                          "type": "Literal",
+                                                                                          "value": 5,
+                                                                                        },
+                                                                                      ],
+                                                                                      "callee": Object {
+                                                                                        "body": Object {
+                                                                                          "body": Array [
+                                                                                            Object {
+                                                                                              "alternate": Object {
+                                                                                                "body": Array [
+                                                                                                  Object {
+                                                                                                    "alternate": Object {
+                                                                                                      "body": Array [
+                                                                                                        Object {
+                                                                                                          "argument": Object {
+                                                                                                            "left": Object {
+                                                                                                              "left": Node {
+                                                                                                                "end": 300,
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 23,
+                                                                                                                    "line": 14,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 19,
+                                                                                                                    "line": 14,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "name": "base",
+                                                                                                                "start": 296,
+                                                                                                                "type": "Identifier",
+                                                                                                              },
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 50,
+                                                                                                                  "line": 14,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 19,
+                                                                                                                  "line": 14,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "operator": "*",
+                                                                                                              "right": Object {
+                                                                                                                "arguments": Array [
+                                                                                                                  Node {
+                                                                                                                    "end": 314,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 37,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 33,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "base",
+                                                                                                                    "start": 310,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                  Object {
+                                                                                                                    "left": Node {
+                                                                                                                      "end": 319,
+                                                                                                                      "loc": SourceLocation {
+                                                                                                                        "end": Position {
+                                                                                                                          "column": 42,
+                                                                                                                          "line": 14,
+                                                                                                                        },
+                                                                                                                        "start": Position {
+                                                                                                                          "column": 39,
+                                                                                                                          "line": 14,
+                                                                                                                        },
+                                                                                                                      },
+                                                                                                                      "name": "exp",
+                                                                                                                      "start": 316,
+                                                                                                                      "type": "Identifier",
+                                                                                                                    },
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 46,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 39,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "operator": "-",
+                                                                                                                    "right": Node {
+                                                                                                                      "end": 323,
+                                                                                                                      "loc": SourceLocation {
+                                                                                                                        "end": Position {
+                                                                                                                          "column": 46,
+                                                                                                                          "line": 14,
+                                                                                                                        },
+                                                                                                                        "start": Position {
+                                                                                                                          "column": 45,
+                                                                                                                          "line": 14,
+                                                                                                                        },
+                                                                                                                      },
+                                                                                                                      "raw": "1",
+                                                                                                                      "start": 322,
+                                                                                                                      "type": "Literal",
+                                                                                                                      "value": 1,
+                                                                                                                    },
+                                                                                                                    "type": "BinaryExpression",
+                                                                                                                  },
+                                                                                                                  Node {
+                                                                                                                    "end": 326,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 49,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 48,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "m",
+                                                                                                                    "start": 325,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                ],
+                                                                                                                "callee": [Circular],
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 50,
+                                                                                                                    "line": 14,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 26,
+                                                                                                                    "line": 14,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "type": "CallExpression",
+                                                                                                              },
+                                                                                                              "type": "BinaryExpression",
+                                                                                                            },
+                                                                                                            "loc": SourceLocation {
+                                                                                                              "end": Position {
+                                                                                                                "column": 54,
+                                                                                                                "line": 14,
+                                                                                                              },
+                                                                                                              "start": Position {
+                                                                                                                "column": 19,
+                                                                                                                "line": 14,
+                                                                                                              },
+                                                                                                            },
+                                                                                                            "operator": "%",
+                                                                                                            "right": Node {
+                                                                                                              "end": 331,
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 54,
+                                                                                                                  "line": 14,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 53,
+                                                                                                                  "line": 14,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "name": "m",
+                                                                                                              "start": 330,
+                                                                                                              "type": "Identifier",
+                                                                                                            },
+                                                                                                            "type": "BinaryExpression",
+                                                                                                          },
+                                                                                                          "loc": SourceLocation {
+                                                                                                            "end": Position {
+                                                                                                              "column": 55,
+                                                                                                              "line": 14,
+                                                                                                            },
+                                                                                                            "start": Position {
+                                                                                                              "column": 12,
+                                                                                                              "line": 14,
+                                                                                                            },
+                                                                                                          },
+                                                                                                          "type": "ReturnStatement",
+                                                                                                        },
+                                                                                                      ],
+                                                                                                      "type": "BlockStatement",
+                                                                                                    },
+                                                                                                    "consequent": Object {
+                                                                                                      "body": Array [
+                                                                                                        Object {
+                                                                                                          "declarations": Array [
+                                                                                                            Object {
+                                                                                                              "id": Node {
+                                                                                                                "end": 189,
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 25,
+                                                                                                                    "line": 11,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 18,
+                                                                                                                    "line": 11,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "name": "to_half",
+                                                                                                                "start": 182,
+                                                                                                                "type": "Identifier",
+                                                                                                              },
+                                                                                                              "init": Object {
+                                                                                                                "arguments": Array [
+                                                                                                                  Node {
+                                                                                                                    "end": 203,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 39,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 35,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "base",
+                                                                                                                    "start": 199,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                  Object {
+                                                                                                                    "left": Node {
+                                                                                                                      "end": 208,
+                                                                                                                      "loc": SourceLocation {
+                                                                                                                        "end": Position {
+                                                                                                                          "column": 44,
+                                                                                                                          "line": 11,
+                                                                                                                        },
+                                                                                                                        "start": Position {
+                                                                                                                          "column": 41,
+                                                                                                                          "line": 11,
+                                                                                                                        },
+                                                                                                                      },
+                                                                                                                      "name": "exp",
+                                                                                                                      "start": 205,
+                                                                                                                      "type": "Identifier",
+                                                                                                                    },
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 48,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 41,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "operator": "/",
+                                                                                                                    "right": Node {
+                                                                                                                      "end": 212,
+                                                                                                                      "loc": SourceLocation {
+                                                                                                                        "end": Position {
+                                                                                                                          "column": 48,
+                                                                                                                          "line": 11,
+                                                                                                                        },
+                                                                                                                        "start": Position {
+                                                                                                                          "column": 47,
+                                                                                                                          "line": 11,
+                                                                                                                        },
+                                                                                                                      },
+                                                                                                                      "raw": "2",
+                                                                                                                      "start": 211,
+                                                                                                                      "type": "Literal",
+                                                                                                                      "value": 2,
+                                                                                                                    },
+                                                                                                                    "type": "BinaryExpression",
+                                                                                                                  },
+                                                                                                                  Node {
+                                                                                                                    "end": 215,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 51,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 50,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "m",
+                                                                                                                    "start": 214,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                ],
+                                                                                                                "callee": [Circular],
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 52,
+                                                                                                                    "line": 11,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 28,
+                                                                                                                    "line": 11,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "type": "CallExpression",
+                                                                                                              },
+                                                                                                              "loc": undefined,
+                                                                                                              "type": "VariableDeclarator",
+                                                                                                            },
+                                                                                                          ],
+                                                                                                          "kind": "const",
+                                                                                                          "loc": undefined,
+                                                                                                          "type": "VariableDeclaration",
+                                                                                                        },
+                                                                                                        Object {
+                                                                                                          "argument": Object {
+                                                                                                            "left": Object {
+                                                                                                              "left": Node {
+                                                                                                                "end": 244,
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 26,
+                                                                                                                    "line": 12,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 19,
+                                                                                                                    "line": 12,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "name": "to_half",
+                                                                                                                "start": 237,
+                                                                                                                "type": "Identifier",
+                                                                                                              },
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 36,
+                                                                                                                  "line": 12,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 19,
+                                                                                                                  "line": 12,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "operator": "*",
+                                                                                                              "right": Node {
+                                                                                                                "end": 254,
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 36,
+                                                                                                                    "line": 12,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 29,
+                                                                                                                    "line": 12,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "name": "to_half",
+                                                                                                                "start": 247,
+                                                                                                                "type": "Identifier",
+                                                                                                              },
+                                                                                                              "type": "BinaryExpression",
+                                                                                                            },
+                                                                                                            "loc": SourceLocation {
+                                                                                                              "end": Position {
+                                                                                                                "column": 40,
+                                                                                                                "line": 12,
+                                                                                                              },
+                                                                                                              "start": Position {
+                                                                                                                "column": 19,
+                                                                                                                "line": 12,
+                                                                                                              },
+                                                                                                            },
+                                                                                                            "operator": "%",
+                                                                                                            "right": Node {
+                                                                                                              "end": 258,
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 40,
+                                                                                                                  "line": 12,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 39,
+                                                                                                                  "line": 12,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "name": "m",
+                                                                                                              "start": 257,
+                                                                                                              "type": "Identifier",
+                                                                                                            },
+                                                                                                            "type": "BinaryExpression",
+                                                                                                          },
+                                                                                                          "loc": SourceLocation {
+                                                                                                            "end": Position {
+                                                                                                              "column": 41,
+                                                                                                              "line": 12,
+                                                                                                            },
+                                                                                                            "start": Position {
+                                                                                                              "column": 12,
+                                                                                                              "line": 12,
+                                                                                                            },
+                                                                                                          },
+                                                                                                          "type": "ReturnStatement",
+                                                                                                        },
+                                                                                                      ],
+                                                                                                      "type": "BlockStatement",
+                                                                                                    },
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 9,
+                                                                                                        "line": 15,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 8,
+                                                                                                        "line": 10,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "test": Object {
+                                                                                                      "arguments": Array [
+                                                                                                        Node {
+                                                                                                          "end": 159,
+                                                                                                          "loc": SourceLocation {
+                                                                                                            "end": Position {
+                                                                                                              "column": 23,
+                                                                                                              "line": 10,
+                                                                                                            },
+                                                                                                            "start": Position {
+                                                                                                              "column": 20,
+                                                                                                              "line": 10,
+                                                                                                            },
+                                                                                                          },
+                                                                                                          "name": "exp",
+                                                                                                          "start": 156,
+                                                                                                          "type": "Identifier",
+                                                                                                        },
+                                                                                                      ],
+                                                                                                      "callee": Object {
+                                                                                                        "body": Object {
+                                                                                                          "body": Array [
+                                                                                                            Object {
+                                                                                                              "argument": Object {
+                                                                                                                "left": Object {
+                                                                                                                  "left": Node {
+                                                                                                                    "end": 37,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 12,
+                                                                                                                        "line": 3,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 11,
+                                                                                                                        "line": 3,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "n",
+                                                                                                                    "start": 36,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                  "loc": SourceLocation {
+                                                                                                                    "end": Position {
+                                                                                                                      "column": 16,
+                                                                                                                      "line": 3,
+                                                                                                                    },
+                                                                                                                    "start": Position {
+                                                                                                                      "column": 11,
+                                                                                                                      "line": 3,
+                                                                                                                    },
+                                                                                                                  },
+                                                                                                                  "operator": "%",
+                                                                                                                  "right": Node {
+                                                                                                                    "end": 41,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 16,
+                                                                                                                        "line": 3,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 15,
+                                                                                                                        "line": 3,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "raw": "2",
+                                                                                                                    "start": 40,
+                                                                                                                    "type": "Literal",
+                                                                                                                    "value": 2,
+                                                                                                                  },
+                                                                                                                  "type": "BinaryExpression",
+                                                                                                                },
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 22,
+                                                                                                                    "line": 3,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 11,
+                                                                                                                    "line": 3,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "operator": "===",
+                                                                                                                "right": Node {
+                                                                                                                  "end": 47,
+                                                                                                                  "loc": SourceLocation {
+                                                                                                                    "end": Position {
+                                                                                                                      "column": 22,
+                                                                                                                      "line": 3,
+                                                                                                                    },
+                                                                                                                    "start": Position {
+                                                                                                                      "column": 21,
+                                                                                                                      "line": 3,
+                                                                                                                    },
+                                                                                                                  },
+                                                                                                                  "raw": "0",
+                                                                                                                  "start": 46,
+                                                                                                                  "type": "Literal",
+                                                                                                                  "value": 0,
+                                                                                                                },
+                                                                                                                "type": "BinaryExpression",
+                                                                                                              },
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 23,
+                                                                                                                  "line": 3,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 4,
+                                                                                                                  "line": 3,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "type": "ReturnStatement",
+                                                                                                            },
+                                                                                                          ],
+                                                                                                          "type": "BlockStatement",
+                                                                                                        },
+                                                                                                        "id": Node {
+                                                                                                          "end": 19,
+                                                                                                          "loc": SourceLocation {
+                                                                                                            "end": Position {
+                                                                                                              "column": 18,
+                                                                                                              "line": 2,
+                                                                                                            },
+                                                                                                            "start": Position {
+                                                                                                              "column": 11,
+                                                                                                              "line": 2,
+                                                                                                            },
+                                                                                                          },
+                                                                                                          "name": "is_even",
+                                                                                                          "start": 12,
+                                                                                                          "type": "Identifier",
+                                                                                                        },
+                                                                                                        "loc": undefined,
+                                                                                                        "params": Array [
+                                                                                                          Node {
+                                                                                                            "end": 21,
+                                                                                                            "loc": SourceLocation {
+                                                                                                              "end": Position {
+                                                                                                                "column": 20,
+                                                                                                                "line": 2,
+                                                                                                              },
+                                                                                                              "start": Position {
+                                                                                                                "column": 19,
+                                                                                                                "line": 2,
+                                                                                                              },
+                                                                                                            },
+                                                                                                            "name": "n",
+                                                                                                            "start": 20,
+                                                                                                            "type": "Identifier",
+                                                                                                          },
+                                                                                                        ],
+                                                                                                        "type": "FunctionExpression",
+                                                                                                      },
+                                                                                                      "loc": SourceLocation {
+                                                                                                        "end": Position {
+                                                                                                          "column": 24,
+                                                                                                          "line": 10,
+                                                                                                        },
+                                                                                                        "start": Position {
+                                                                                                          "column": 12,
+                                                                                                          "line": 10,
+                                                                                                        },
+                                                                                                      },
+                                                                                                      "type": "CallExpression",
+                                                                                                    },
+                                                                                                    "type": "IfStatement",
+                                                                                                  },
+                                                                                                ],
+                                                                                                "type": "BlockStatement",
+                                                                                              },
+                                                                                              "consequent": Object {
+                                                                                                "body": Array [
+                                                                                                  Object {
+                                                                                                    "argument": Node {
+                                                                                                      "end": 121,
+                                                                                                      "loc": SourceLocation {
+                                                                                                        "end": Position {
+                                                                                                          "column": 16,
+                                                                                                          "line": 8,
+                                                                                                        },
+                                                                                                        "start": Position {
+                                                                                                          "column": 15,
+                                                                                                          "line": 8,
+                                                                                                        },
+                                                                                                      },
+                                                                                                      "raw": "1",
+                                                                                                      "start": 120,
+                                                                                                      "type": "Literal",
+                                                                                                      "value": 1,
+                                                                                                    },
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 17,
+                                                                                                        "line": 8,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 8,
+                                                                                                        "line": 8,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "type": "ReturnStatement",
+                                                                                                  },
+                                                                                                ],
+                                                                                                "type": "BlockStatement",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 5,
+                                                                                                  "line": 16,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 4,
+                                                                                                  "line": 7,
+                                                                                                },
+                                                                                              },
+                                                                                              "test": Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 95,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 11,
+                                                                                                      "line": 7,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 8,
+                                                                                                      "line": 7,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 92,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 17,
+                                                                                                    "line": 7,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 8,
+                                                                                                    "line": 7,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "===",
+                                                                                                "right": Node {
+                                                                                                  "end": 101,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 17,
+                                                                                                      "line": 7,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 16,
+                                                                                                      "line": 7,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "0",
+                                                                                                  "start": 100,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 0,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              "type": "IfStatement",
+                                                                                            },
+                                                                                          ],
+                                                                                          "type": "BlockStatement",
+                                                                                        },
+                                                                                        "id": Node {
+                                                                                          "end": 67,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 15,
+                                                                                              "line": 6,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 9,
+                                                                                              "line": 6,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "expmod",
+                                                                                          "start": 61,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "loc": undefined,
+                                                                                        "params": Array [
+                                                                                          Node {
+                                                                                            "end": 72,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 20,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 16,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "base",
+                                                                                            "start": 68,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          Node {
+                                                                                            "end": 77,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 25,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 22,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "exp",
+                                                                                            "start": 74,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          Node {
+                                                                                            "end": 80,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 28,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 27,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "m",
+                                                                                            "start": 79,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                        ],
+                                                                                        "type": "FunctionExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 50,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 26,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "CallExpression",
+                                                                                    },
+                                                                                    "type": "BinaryExpression",
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 54,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 19,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                  },
+                                                                                  "operator": "%",
+                                                                                  "right": Object {
+                                                                                    "loc": undefined,
+                                                                                    "type": "Literal",
+                                                                                    "value": 5,
+                                                                                  },
+                                                                                  "type": "BinaryExpression",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 55,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 12,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "type": "ReturnStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "consequent": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "declarations": Array [
+                                                                                  Object {
+                                                                                    "id": Node {
+                                                                                      "end": 189,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 25,
+                                                                                          "line": 11,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 18,
+                                                                                          "line": 11,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "to_half",
+                                                                                      "start": 182,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                    "init": Object {
+                                                                                      "arguments": Array [
+                                                                                        Object {
+                                                                                          "loc": undefined,
+                                                                                          "type": "Literal",
+                                                                                          "value": 4,
+                                                                                        },
+                                                                                        Object {
+                                                                                          "left": Object {
+                                                                                            "loc": undefined,
+                                                                                            "type": "Literal",
+                                                                                            "value": 0,
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 48,
+                                                                                              "line": 11,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 41,
+                                                                                              "line": 11,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "/",
+                                                                                          "right": Node {
+                                                                                            "end": 212,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 48,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 47,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                            },
+                                                                                            "raw": "2",
+                                                                                            "start": 211,
+                                                                                            "type": "Literal",
+                                                                                            "value": 2,
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        Object {
+                                                                                          "loc": undefined,
+                                                                                          "type": "Literal",
+                                                                                          "value": 5,
+                                                                                        },
+                                                                                      ],
+                                                                                      "callee": Object {
+                                                                                        "body": Object {
+                                                                                          "body": Array [
+                                                                                            Object {
+                                                                                              "alternate": Object {
+                                                                                                "body": Array [
+                                                                                                  Object {
+                                                                                                    "alternate": Object {
+                                                                                                      "body": Array [
+                                                                                                        Object {
+                                                                                                          "argument": Object {
+                                                                                                            "left": Object {
+                                                                                                              "left": Node {
+                                                                                                                "end": 300,
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 23,
+                                                                                                                    "line": 14,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 19,
+                                                                                                                    "line": 14,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "name": "base",
+                                                                                                                "start": 296,
+                                                                                                                "type": "Identifier",
+                                                                                                              },
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 50,
+                                                                                                                  "line": 14,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 19,
+                                                                                                                  "line": 14,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "operator": "*",
+                                                                                                              "right": Object {
+                                                                                                                "arguments": Array [
+                                                                                                                  Node {
+                                                                                                                    "end": 314,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 37,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 33,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "base",
+                                                                                                                    "start": 310,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                  Object {
+                                                                                                                    "left": Node {
+                                                                                                                      "end": 319,
+                                                                                                                      "loc": SourceLocation {
+                                                                                                                        "end": Position {
+                                                                                                                          "column": 42,
+                                                                                                                          "line": 14,
+                                                                                                                        },
+                                                                                                                        "start": Position {
+                                                                                                                          "column": 39,
+                                                                                                                          "line": 14,
+                                                                                                                        },
+                                                                                                                      },
+                                                                                                                      "name": "exp",
+                                                                                                                      "start": 316,
+                                                                                                                      "type": "Identifier",
+                                                                                                                    },
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 46,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 39,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "operator": "-",
+                                                                                                                    "right": Node {
+                                                                                                                      "end": 323,
+                                                                                                                      "loc": SourceLocation {
+                                                                                                                        "end": Position {
+                                                                                                                          "column": 46,
+                                                                                                                          "line": 14,
+                                                                                                                        },
+                                                                                                                        "start": Position {
+                                                                                                                          "column": 45,
+                                                                                                                          "line": 14,
+                                                                                                                        },
+                                                                                                                      },
+                                                                                                                      "raw": "1",
+                                                                                                                      "start": 322,
+                                                                                                                      "type": "Literal",
+                                                                                                                      "value": 1,
+                                                                                                                    },
+                                                                                                                    "type": "BinaryExpression",
+                                                                                                                  },
+                                                                                                                  Node {
+                                                                                                                    "end": 326,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 49,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 48,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "m",
+                                                                                                                    "start": 325,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                ],
+                                                                                                                "callee": [Circular],
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 50,
+                                                                                                                    "line": 14,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 26,
+                                                                                                                    "line": 14,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "type": "CallExpression",
+                                                                                                              },
+                                                                                                              "type": "BinaryExpression",
+                                                                                                            },
+                                                                                                            "loc": SourceLocation {
+                                                                                                              "end": Position {
+                                                                                                                "column": 54,
+                                                                                                                "line": 14,
+                                                                                                              },
+                                                                                                              "start": Position {
+                                                                                                                "column": 19,
+                                                                                                                "line": 14,
+                                                                                                              },
+                                                                                                            },
+                                                                                                            "operator": "%",
+                                                                                                            "right": Node {
+                                                                                                              "end": 331,
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 54,
+                                                                                                                  "line": 14,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 53,
+                                                                                                                  "line": 14,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "name": "m",
+                                                                                                              "start": 330,
+                                                                                                              "type": "Identifier",
+                                                                                                            },
+                                                                                                            "type": "BinaryExpression",
+                                                                                                          },
+                                                                                                          "loc": SourceLocation {
+                                                                                                            "end": Position {
+                                                                                                              "column": 55,
+                                                                                                              "line": 14,
+                                                                                                            },
+                                                                                                            "start": Position {
+                                                                                                              "column": 12,
+                                                                                                              "line": 14,
+                                                                                                            },
+                                                                                                          },
+                                                                                                          "type": "ReturnStatement",
+                                                                                                        },
+                                                                                                      ],
+                                                                                                      "type": "BlockStatement",
+                                                                                                    },
+                                                                                                    "consequent": Object {
+                                                                                                      "body": Array [
+                                                                                                        Object {
+                                                                                                          "declarations": Array [
+                                                                                                            Object {
+                                                                                                              "id": Node {
+                                                                                                                "end": 189,
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 25,
+                                                                                                                    "line": 11,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 18,
+                                                                                                                    "line": 11,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "name": "to_half",
+                                                                                                                "start": 182,
+                                                                                                                "type": "Identifier",
+                                                                                                              },
+                                                                                                              "init": Object {
+                                                                                                                "arguments": Array [
+                                                                                                                  Node {
+                                                                                                                    "end": 203,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 39,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 35,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "base",
+                                                                                                                    "start": 199,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                  Object {
+                                                                                                                    "left": Node {
+                                                                                                                      "end": 208,
+                                                                                                                      "loc": SourceLocation {
+                                                                                                                        "end": Position {
+                                                                                                                          "column": 44,
+                                                                                                                          "line": 11,
+                                                                                                                        },
+                                                                                                                        "start": Position {
+                                                                                                                          "column": 41,
+                                                                                                                          "line": 11,
+                                                                                                                        },
+                                                                                                                      },
+                                                                                                                      "name": "exp",
+                                                                                                                      "start": 205,
+                                                                                                                      "type": "Identifier",
+                                                                                                                    },
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 48,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 41,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "operator": "/",
+                                                                                                                    "right": Node {
+                                                                                                                      "end": 212,
+                                                                                                                      "loc": SourceLocation {
+                                                                                                                        "end": Position {
+                                                                                                                          "column": 48,
+                                                                                                                          "line": 11,
+                                                                                                                        },
+                                                                                                                        "start": Position {
+                                                                                                                          "column": 47,
+                                                                                                                          "line": 11,
+                                                                                                                        },
+                                                                                                                      },
+                                                                                                                      "raw": "2",
+                                                                                                                      "start": 211,
+                                                                                                                      "type": "Literal",
+                                                                                                                      "value": 2,
+                                                                                                                    },
+                                                                                                                    "type": "BinaryExpression",
+                                                                                                                  },
+                                                                                                                  Node {
+                                                                                                                    "end": 215,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 51,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 50,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "m",
+                                                                                                                    "start": 214,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                ],
+                                                                                                                "callee": [Circular],
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 52,
+                                                                                                                    "line": 11,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 28,
+                                                                                                                    "line": 11,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "type": "CallExpression",
+                                                                                                              },
+                                                                                                              "loc": undefined,
+                                                                                                              "type": "VariableDeclarator",
+                                                                                                            },
+                                                                                                          ],
+                                                                                                          "kind": "const",
+                                                                                                          "loc": undefined,
+                                                                                                          "type": "VariableDeclaration",
+                                                                                                        },
+                                                                                                        Object {
+                                                                                                          "argument": Object {
+                                                                                                            "left": Object {
+                                                                                                              "left": Node {
+                                                                                                                "end": 244,
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 26,
+                                                                                                                    "line": 12,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 19,
+                                                                                                                    "line": 12,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "name": "to_half",
+                                                                                                                "start": 237,
+                                                                                                                "type": "Identifier",
+                                                                                                              },
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 36,
+                                                                                                                  "line": 12,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 19,
+                                                                                                                  "line": 12,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "operator": "*",
+                                                                                                              "right": Node {
+                                                                                                                "end": 254,
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 36,
+                                                                                                                    "line": 12,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 29,
+                                                                                                                    "line": 12,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "name": "to_half",
+                                                                                                                "start": 247,
+                                                                                                                "type": "Identifier",
+                                                                                                              },
+                                                                                                              "type": "BinaryExpression",
+                                                                                                            },
+                                                                                                            "loc": SourceLocation {
+                                                                                                              "end": Position {
+                                                                                                                "column": 40,
+                                                                                                                "line": 12,
+                                                                                                              },
+                                                                                                              "start": Position {
+                                                                                                                "column": 19,
+                                                                                                                "line": 12,
+                                                                                                              },
+                                                                                                            },
+                                                                                                            "operator": "%",
+                                                                                                            "right": Node {
+                                                                                                              "end": 258,
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 40,
+                                                                                                                  "line": 12,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 39,
+                                                                                                                  "line": 12,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "name": "m",
+                                                                                                              "start": 257,
+                                                                                                              "type": "Identifier",
+                                                                                                            },
+                                                                                                            "type": "BinaryExpression",
+                                                                                                          },
+                                                                                                          "loc": SourceLocation {
+                                                                                                            "end": Position {
+                                                                                                              "column": 41,
+                                                                                                              "line": 12,
+                                                                                                            },
+                                                                                                            "start": Position {
+                                                                                                              "column": 12,
+                                                                                                              "line": 12,
+                                                                                                            },
+                                                                                                          },
+                                                                                                          "type": "ReturnStatement",
+                                                                                                        },
+                                                                                                      ],
+                                                                                                      "type": "BlockStatement",
+                                                                                                    },
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 9,
+                                                                                                        "line": 15,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 8,
+                                                                                                        "line": 10,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "test": Object {
+                                                                                                      "arguments": Array [
+                                                                                                        Node {
+                                                                                                          "end": 159,
+                                                                                                          "loc": SourceLocation {
+                                                                                                            "end": Position {
+                                                                                                              "column": 23,
+                                                                                                              "line": 10,
+                                                                                                            },
+                                                                                                            "start": Position {
+                                                                                                              "column": 20,
+                                                                                                              "line": 10,
+                                                                                                            },
+                                                                                                          },
+                                                                                                          "name": "exp",
+                                                                                                          "start": 156,
+                                                                                                          "type": "Identifier",
+                                                                                                        },
+                                                                                                      ],
+                                                                                                      "callee": Object {
+                                                                                                        "body": Object {
+                                                                                                          "body": Array [
+                                                                                                            Object {
+                                                                                                              "argument": Object {
+                                                                                                                "left": Object {
+                                                                                                                  "left": Node {
+                                                                                                                    "end": 37,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 12,
+                                                                                                                        "line": 3,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 11,
+                                                                                                                        "line": 3,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "n",
+                                                                                                                    "start": 36,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                  "loc": SourceLocation {
+                                                                                                                    "end": Position {
+                                                                                                                      "column": 16,
+                                                                                                                      "line": 3,
+                                                                                                                    },
+                                                                                                                    "start": Position {
+                                                                                                                      "column": 11,
+                                                                                                                      "line": 3,
+                                                                                                                    },
+                                                                                                                  },
+                                                                                                                  "operator": "%",
+                                                                                                                  "right": Node {
+                                                                                                                    "end": 41,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 16,
+                                                                                                                        "line": 3,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 15,
+                                                                                                                        "line": 3,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "raw": "2",
+                                                                                                                    "start": 40,
+                                                                                                                    "type": "Literal",
+                                                                                                                    "value": 2,
+                                                                                                                  },
+                                                                                                                  "type": "BinaryExpression",
+                                                                                                                },
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 22,
+                                                                                                                    "line": 3,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 11,
+                                                                                                                    "line": 3,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "operator": "===",
+                                                                                                                "right": Node {
+                                                                                                                  "end": 47,
+                                                                                                                  "loc": SourceLocation {
+                                                                                                                    "end": Position {
+                                                                                                                      "column": 22,
+                                                                                                                      "line": 3,
+                                                                                                                    },
+                                                                                                                    "start": Position {
+                                                                                                                      "column": 21,
+                                                                                                                      "line": 3,
+                                                                                                                    },
+                                                                                                                  },
+                                                                                                                  "raw": "0",
+                                                                                                                  "start": 46,
+                                                                                                                  "type": "Literal",
+                                                                                                                  "value": 0,
+                                                                                                                },
+                                                                                                                "type": "BinaryExpression",
+                                                                                                              },
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 23,
+                                                                                                                  "line": 3,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 4,
+                                                                                                                  "line": 3,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "type": "ReturnStatement",
+                                                                                                            },
+                                                                                                          ],
+                                                                                                          "type": "BlockStatement",
+                                                                                                        },
+                                                                                                        "id": Node {
+                                                                                                          "end": 19,
+                                                                                                          "loc": SourceLocation {
+                                                                                                            "end": Position {
+                                                                                                              "column": 18,
+                                                                                                              "line": 2,
+                                                                                                            },
+                                                                                                            "start": Position {
+                                                                                                              "column": 11,
+                                                                                                              "line": 2,
+                                                                                                            },
+                                                                                                          },
+                                                                                                          "name": "is_even",
+                                                                                                          "start": 12,
+                                                                                                          "type": "Identifier",
+                                                                                                        },
+                                                                                                        "loc": undefined,
+                                                                                                        "params": Array [
+                                                                                                          Node {
+                                                                                                            "end": 21,
+                                                                                                            "loc": SourceLocation {
+                                                                                                              "end": Position {
+                                                                                                                "column": 20,
+                                                                                                                "line": 2,
+                                                                                                              },
+                                                                                                              "start": Position {
+                                                                                                                "column": 19,
+                                                                                                                "line": 2,
+                                                                                                              },
+                                                                                                            },
+                                                                                                            "name": "n",
+                                                                                                            "start": 20,
+                                                                                                            "type": "Identifier",
+                                                                                                          },
+                                                                                                        ],
+                                                                                                        "type": "FunctionExpression",
+                                                                                                      },
+                                                                                                      "loc": SourceLocation {
+                                                                                                        "end": Position {
+                                                                                                          "column": 24,
+                                                                                                          "line": 10,
+                                                                                                        },
+                                                                                                        "start": Position {
+                                                                                                          "column": 12,
+                                                                                                          "line": 10,
+                                                                                                        },
+                                                                                                      },
+                                                                                                      "type": "CallExpression",
+                                                                                                    },
+                                                                                                    "type": "IfStatement",
+                                                                                                  },
+                                                                                                ],
+                                                                                                "type": "BlockStatement",
+                                                                                              },
+                                                                                              "consequent": Object {
+                                                                                                "body": Array [
+                                                                                                  Object {
+                                                                                                    "argument": Node {
+                                                                                                      "end": 121,
+                                                                                                      "loc": SourceLocation {
+                                                                                                        "end": Position {
+                                                                                                          "column": 16,
+                                                                                                          "line": 8,
+                                                                                                        },
+                                                                                                        "start": Position {
+                                                                                                          "column": 15,
+                                                                                                          "line": 8,
+                                                                                                        },
+                                                                                                      },
+                                                                                                      "raw": "1",
+                                                                                                      "start": 120,
+                                                                                                      "type": "Literal",
+                                                                                                      "value": 1,
+                                                                                                    },
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 17,
+                                                                                                        "line": 8,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 8,
+                                                                                                        "line": 8,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "type": "ReturnStatement",
+                                                                                                  },
+                                                                                                ],
+                                                                                                "type": "BlockStatement",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 5,
+                                                                                                  "line": 16,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 4,
+                                                                                                  "line": 7,
+                                                                                                },
+                                                                                              },
+                                                                                              "test": Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 95,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 11,
+                                                                                                      "line": 7,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 8,
+                                                                                                      "line": 7,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 92,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 17,
+                                                                                                    "line": 7,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 8,
+                                                                                                    "line": 7,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "===",
+                                                                                                "right": Node {
+                                                                                                  "end": 101,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 17,
+                                                                                                      "line": 7,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 16,
+                                                                                                      "line": 7,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "0",
+                                                                                                  "start": 100,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 0,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              "type": "IfStatement",
+                                                                                            },
+                                                                                          ],
+                                                                                          "type": "BlockStatement",
+                                                                                        },
+                                                                                        "id": Node {
+                                                                                          "end": 67,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 15,
+                                                                                              "line": 6,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 9,
+                                                                                              "line": 6,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "expmod",
+                                                                                          "start": 61,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "loc": undefined,
+                                                                                        "params": Array [
+                                                                                          Node {
+                                                                                            "end": 72,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 20,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 16,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "base",
+                                                                                            "start": 68,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          Node {
+                                                                                            "end": 77,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 25,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 22,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "exp",
+                                                                                            "start": 74,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          Node {
+                                                                                            "end": 80,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 28,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 27,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "m",
+                                                                                            "start": 79,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                        ],
+                                                                                        "type": "FunctionExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 52,
+                                                                                          "line": 11,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 28,
+                                                                                          "line": 11,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "CallExpression",
+                                                                                    },
+                                                                                    "loc": undefined,
+                                                                                    "type": "VariableDeclarator",
+                                                                                  },
+                                                                                ],
+                                                                                "kind": "const",
+                                                                                "loc": undefined,
+                                                                                "type": "VariableDeclaration",
+                                                                              },
+                                                                              Object {
+                                                                                "argument": Object {
+                                                                                  "left": Object {
+                                                                                    "left": Node {
+                                                                                      "end": 244,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 26,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 19,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "to_half",
+                                                                                      "start": 237,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 36,
+                                                                                        "line": 12,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 19,
+                                                                                        "line": 12,
+                                                                                      },
+                                                                                    },
+                                                                                    "operator": "*",
+                                                                                    "right": Node {
+                                                                                      "end": 254,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 36,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 29,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "to_half",
+                                                                                      "start": 247,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                    "type": "BinaryExpression",
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 40,
+                                                                                      "line": 12,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 19,
+                                                                                      "line": 12,
+                                                                                    },
+                                                                                  },
+                                                                                  "operator": "%",
+                                                                                  "right": Object {
+                                                                                    "loc": undefined,
+                                                                                    "type": "Literal",
+                                                                                    "value": 5,
+                                                                                  },
+                                                                                  "type": "BinaryExpression",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 41,
+                                                                                    "line": 12,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 12,
+                                                                                    "line": 12,
+                                                                                  },
+                                                                                },
+                                                                                "type": "ReturnStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 9,
+                                                                              "line": 15,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 8,
+                                                                              "line": 10,
+                                                                            },
+                                                                          },
+                                                                          "test": Object {
+                                                                            "arguments": Array [
+                                                                              Object {
+                                                                                "loc": undefined,
+                                                                                "type": "Literal",
+                                                                                "value": 0,
+                                                                              },
+                                                                            ],
+                                                                            "callee": Object {
+                                                                              "body": Object {
+                                                                                "body": Array [
+                                                                                  Object {
+                                                                                    "argument": Object {
+                                                                                      "left": Object {
+                                                                                        "left": Node {
+                                                                                          "end": 37,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 12,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 11,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "n",
+                                                                                          "start": 36,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 16,
+                                                                                            "line": 3,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 11,
+                                                                                            "line": 3,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "%",
+                                                                                        "right": Node {
+                                                                                          "end": 41,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 16,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 15,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                          },
+                                                                                          "raw": "2",
+                                                                                          "start": 40,
+                                                                                          "type": "Literal",
+                                                                                          "value": 2,
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 22,
+                                                                                          "line": 3,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 11,
+                                                                                          "line": 3,
+                                                                                        },
+                                                                                      },
+                                                                                      "operator": "===",
+                                                                                      "right": Node {
+                                                                                        "end": 47,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 22,
+                                                                                            "line": 3,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 21,
+                                                                                            "line": 3,
+                                                                                          },
+                                                                                        },
+                                                                                        "raw": "0",
+                                                                                        "start": 46,
+                                                                                        "type": "Literal",
+                                                                                        "value": 0,
+                                                                                      },
+                                                                                      "type": "BinaryExpression",
+                                                                                    },
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 23,
+                                                                                        "line": 3,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 4,
+                                                                                        "line": 3,
+                                                                                      },
+                                                                                    },
+                                                                                    "type": "ReturnStatement",
+                                                                                  },
+                                                                                ],
+                                                                                "type": "BlockStatement",
+                                                                              },
+                                                                              "id": Node {
+                                                                                "end": 19,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 18,
+                                                                                    "line": 2,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 11,
+                                                                                    "line": 2,
+                                                                                  },
+                                                                                },
+                                                                                "name": "is_even",
+                                                                                "start": 12,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": undefined,
+                                                                              "params": Array [
+                                                                                Node {
+                                                                                  "end": 21,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 20,
+                                                                                      "line": 2,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 19,
+                                                                                      "line": 2,
+                                                                                    },
+                                                                                  },
+                                                                                  "name": "n",
+                                                                                  "start": 20,
+                                                                                  "type": "Identifier",
+                                                                                },
+                                                                              ],
+                                                                              "type": "FunctionExpression",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 24,
+                                                                                "line": 10,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 12,
+                                                                                "line": 10,
+                                                                              },
+                                                                            },
+                                                                            "type": "CallExpression",
+                                                                          },
+                                                                          "type": "IfStatement",
+                                                                        },
+                                                                      ],
+                                                                      "type": "BlockStatement",
+                                                                    },
+                                                                    "consequent": Object {
+                                                                      "body": Array [
+                                                                        Object {
+                                                                          "argument": Node {
+                                                                            "end": 121,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 16,
+                                                                                "line": 8,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 15,
+                                                                                "line": 8,
+                                                                              },
+                                                                            },
+                                                                            "raw": "1",
+                                                                            "start": 120,
+                                                                            "type": "Literal",
+                                                                            "value": 1,
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 17,
+                                                                              "line": 8,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 8,
+                                                                              "line": 8,
+                                                                            },
+                                                                          },
+                                                                          "type": "ReturnStatement",
+                                                                        },
+                                                                      ],
+                                                                      "type": "BlockStatement",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 5,
+                                                                        "line": 16,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 4,
+                                                                        "line": 7,
+                                                                      },
+                                                                    },
+                                                                    "test": Object {
+                                                                      "left": Object {
+                                                                        "loc": undefined,
+                                                                        "type": "Literal",
+                                                                        "value": 0,
+                                                                      },
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 17,
+                                                                          "line": 7,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 8,
+                                                                          "line": 7,
+                                                                        },
+                                                                      },
+                                                                      "operator": "===",
+                                                                      "right": Node {
+                                                                        "end": 101,
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 17,
+                                                                            "line": 7,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 16,
+                                                                            "line": 7,
+                                                                          },
+                                                                        },
+                                                                        "raw": "0",
+                                                                        "start": 100,
+                                                                        "type": "Literal",
+                                                                        "value": 0,
+                                                                      },
+                                                                      "type": "BinaryExpression",
+                                                                    },
+                                                                    "type": "IfStatement",
+                                                                  },
+                                                                ],
+                                                                "loc": undefined,
+                                                                "type": "BlockExpression",
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 54,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 19,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "operator": "%",
+                                                            "right": Object {
+                                                              "loc": undefined,
+                                                              "type": "Literal",
+                                                              "value": 5,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 55,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 12,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "type": "ReturnStatement",
+                                                        },
+                                                      ],
+                                                      "type": "BlockStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                              ],
+                                              "loc": undefined,
+                                              "type": "BlockExpression",
+                                            },
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Object {
+                                              "name": "to_half",
+                                              "type": "Identifier",
+                                            },
+                                            "init": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "body": Array [
+                                                        Object {
+                                                          "argument": Object {
+                                                            "left": Object {
+                                                              "left": Object {
+                                                                "loc": undefined,
+                                                                "type": "Literal",
+                                                                "value": 4,
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 50,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 19,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "operator": "*",
+                                                              "right": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "alternate": Object {
+                                                                      "body": Array [
+                                                                        Object {
+                                                                          "alternate": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "argument": Object {
+                                                                                  "left": Object {
+                                                                                    "left": Object {
+                                                                                      "loc": undefined,
+                                                                                      "type": "Literal",
+                                                                                      "value": 4,
+                                                                                    },
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 50,
+                                                                                        "line": 14,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 19,
+                                                                                        "line": 14,
+                                                                                      },
+                                                                                    },
+                                                                                    "operator": "*",
+                                                                                    "right": Object {
+                                                                                      "arguments": Array [
+                                                                                        Object {
+                                                                                          "loc": undefined,
+                                                                                          "type": "Literal",
+                                                                                          "value": 4,
+                                                                                        },
+                                                                                        Object {
+                                                                                          "left": Object {
+                                                                                            "loc": undefined,
+                                                                                            "type": "Literal",
+                                                                                            "value": 0,
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 46,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 39,
+                                                                                              "line": 14,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "-",
+                                                                                          "right": Node {
+                                                                                            "end": 323,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 46,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 45,
+                                                                                                "line": 14,
+                                                                                              },
+                                                                                            },
+                                                                                            "raw": "1",
+                                                                                            "start": 322,
+                                                                                            "type": "Literal",
+                                                                                            "value": 1,
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        Object {
+                                                                                          "loc": undefined,
+                                                                                          "type": "Literal",
+                                                                                          "value": 5,
+                                                                                        },
+                                                                                      ],
+                                                                                      "callee": Object {
+                                                                                        "body": Object {
+                                                                                          "body": Array [
+                                                                                            Object {
+                                                                                              "alternate": Object {
+                                                                                                "body": Array [
+                                                                                                  Object {
+                                                                                                    "alternate": Object {
+                                                                                                      "body": Array [
+                                                                                                        Object {
+                                                                                                          "argument": Object {
+                                                                                                            "left": Object {
+                                                                                                              "left": Node {
+                                                                                                                "end": 300,
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 23,
+                                                                                                                    "line": 14,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 19,
+                                                                                                                    "line": 14,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "name": "base",
+                                                                                                                "start": 296,
+                                                                                                                "type": "Identifier",
+                                                                                                              },
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 50,
+                                                                                                                  "line": 14,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 19,
+                                                                                                                  "line": 14,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "operator": "*",
+                                                                                                              "right": Object {
+                                                                                                                "arguments": Array [
+                                                                                                                  Node {
+                                                                                                                    "end": 314,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 37,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 33,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "base",
+                                                                                                                    "start": 310,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                  Object {
+                                                                                                                    "left": Node {
+                                                                                                                      "end": 319,
+                                                                                                                      "loc": SourceLocation {
+                                                                                                                        "end": Position {
+                                                                                                                          "column": 42,
+                                                                                                                          "line": 14,
+                                                                                                                        },
+                                                                                                                        "start": Position {
+                                                                                                                          "column": 39,
+                                                                                                                          "line": 14,
+                                                                                                                        },
+                                                                                                                      },
+                                                                                                                      "name": "exp",
+                                                                                                                      "start": 316,
+                                                                                                                      "type": "Identifier",
+                                                                                                                    },
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 46,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 39,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "operator": "-",
+                                                                                                                    "right": Node {
+                                                                                                                      "end": 323,
+                                                                                                                      "loc": SourceLocation {
+                                                                                                                        "end": Position {
+                                                                                                                          "column": 46,
+                                                                                                                          "line": 14,
+                                                                                                                        },
+                                                                                                                        "start": Position {
+                                                                                                                          "column": 45,
+                                                                                                                          "line": 14,
+                                                                                                                        },
+                                                                                                                      },
+                                                                                                                      "raw": "1",
+                                                                                                                      "start": 322,
+                                                                                                                      "type": "Literal",
+                                                                                                                      "value": 1,
+                                                                                                                    },
+                                                                                                                    "type": "BinaryExpression",
+                                                                                                                  },
+                                                                                                                  Node {
+                                                                                                                    "end": 326,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 49,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 48,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "m",
+                                                                                                                    "start": 325,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                ],
+                                                                                                                "callee": [Circular],
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 50,
+                                                                                                                    "line": 14,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 26,
+                                                                                                                    "line": 14,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "type": "CallExpression",
+                                                                                                              },
+                                                                                                              "type": "BinaryExpression",
+                                                                                                            },
+                                                                                                            "loc": SourceLocation {
+                                                                                                              "end": Position {
+                                                                                                                "column": 54,
+                                                                                                                "line": 14,
+                                                                                                              },
+                                                                                                              "start": Position {
+                                                                                                                "column": 19,
+                                                                                                                "line": 14,
+                                                                                                              },
+                                                                                                            },
+                                                                                                            "operator": "%",
+                                                                                                            "right": Node {
+                                                                                                              "end": 331,
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 54,
+                                                                                                                  "line": 14,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 53,
+                                                                                                                  "line": 14,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "name": "m",
+                                                                                                              "start": 330,
+                                                                                                              "type": "Identifier",
+                                                                                                            },
+                                                                                                            "type": "BinaryExpression",
+                                                                                                          },
+                                                                                                          "loc": SourceLocation {
+                                                                                                            "end": Position {
+                                                                                                              "column": 55,
+                                                                                                              "line": 14,
+                                                                                                            },
+                                                                                                            "start": Position {
+                                                                                                              "column": 12,
+                                                                                                              "line": 14,
+                                                                                                            },
+                                                                                                          },
+                                                                                                          "type": "ReturnStatement",
+                                                                                                        },
+                                                                                                      ],
+                                                                                                      "type": "BlockStatement",
+                                                                                                    },
+                                                                                                    "consequent": Object {
+                                                                                                      "body": Array [
+                                                                                                        Object {
+                                                                                                          "declarations": Array [
+                                                                                                            Object {
+                                                                                                              "id": Node {
+                                                                                                                "end": 189,
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 25,
+                                                                                                                    "line": 11,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 18,
+                                                                                                                    "line": 11,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "name": "to_half",
+                                                                                                                "start": 182,
+                                                                                                                "type": "Identifier",
+                                                                                                              },
+                                                                                                              "init": Object {
+                                                                                                                "arguments": Array [
+                                                                                                                  Node {
+                                                                                                                    "end": 203,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 39,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 35,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "base",
+                                                                                                                    "start": 199,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                  Object {
+                                                                                                                    "left": Node {
+                                                                                                                      "end": 208,
+                                                                                                                      "loc": SourceLocation {
+                                                                                                                        "end": Position {
+                                                                                                                          "column": 44,
+                                                                                                                          "line": 11,
+                                                                                                                        },
+                                                                                                                        "start": Position {
+                                                                                                                          "column": 41,
+                                                                                                                          "line": 11,
+                                                                                                                        },
+                                                                                                                      },
+                                                                                                                      "name": "exp",
+                                                                                                                      "start": 205,
+                                                                                                                      "type": "Identifier",
+                                                                                                                    },
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 48,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 41,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "operator": "/",
+                                                                                                                    "right": Node {
+                                                                                                                      "end": 212,
+                                                                                                                      "loc": SourceLocation {
+                                                                                                                        "end": Position {
+                                                                                                                          "column": 48,
+                                                                                                                          "line": 11,
+                                                                                                                        },
+                                                                                                                        "start": Position {
+                                                                                                                          "column": 47,
+                                                                                                                          "line": 11,
+                                                                                                                        },
+                                                                                                                      },
+                                                                                                                      "raw": "2",
+                                                                                                                      "start": 211,
+                                                                                                                      "type": "Literal",
+                                                                                                                      "value": 2,
+                                                                                                                    },
+                                                                                                                    "type": "BinaryExpression",
+                                                                                                                  },
+                                                                                                                  Node {
+                                                                                                                    "end": 215,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 51,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 50,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "m",
+                                                                                                                    "start": 214,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                ],
+                                                                                                                "callee": [Circular],
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 52,
+                                                                                                                    "line": 11,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 28,
+                                                                                                                    "line": 11,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "type": "CallExpression",
+                                                                                                              },
+                                                                                                              "loc": undefined,
+                                                                                                              "type": "VariableDeclarator",
+                                                                                                            },
+                                                                                                          ],
+                                                                                                          "kind": "const",
+                                                                                                          "loc": undefined,
+                                                                                                          "type": "VariableDeclaration",
+                                                                                                        },
+                                                                                                        Object {
+                                                                                                          "argument": Object {
+                                                                                                            "left": Object {
+                                                                                                              "left": Node {
+                                                                                                                "end": 244,
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 26,
+                                                                                                                    "line": 12,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 19,
+                                                                                                                    "line": 12,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "name": "to_half",
+                                                                                                                "start": 237,
+                                                                                                                "type": "Identifier",
+                                                                                                              },
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 36,
+                                                                                                                  "line": 12,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 19,
+                                                                                                                  "line": 12,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "operator": "*",
+                                                                                                              "right": Node {
+                                                                                                                "end": 254,
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 36,
+                                                                                                                    "line": 12,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 29,
+                                                                                                                    "line": 12,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "name": "to_half",
+                                                                                                                "start": 247,
+                                                                                                                "type": "Identifier",
+                                                                                                              },
+                                                                                                              "type": "BinaryExpression",
+                                                                                                            },
+                                                                                                            "loc": SourceLocation {
+                                                                                                              "end": Position {
+                                                                                                                "column": 40,
+                                                                                                                "line": 12,
+                                                                                                              },
+                                                                                                              "start": Position {
+                                                                                                                "column": 19,
+                                                                                                                "line": 12,
+                                                                                                              },
+                                                                                                            },
+                                                                                                            "operator": "%",
+                                                                                                            "right": Node {
+                                                                                                              "end": 258,
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 40,
+                                                                                                                  "line": 12,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 39,
+                                                                                                                  "line": 12,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "name": "m",
+                                                                                                              "start": 257,
+                                                                                                              "type": "Identifier",
+                                                                                                            },
+                                                                                                            "type": "BinaryExpression",
+                                                                                                          },
+                                                                                                          "loc": SourceLocation {
+                                                                                                            "end": Position {
+                                                                                                              "column": 41,
+                                                                                                              "line": 12,
+                                                                                                            },
+                                                                                                            "start": Position {
+                                                                                                              "column": 12,
+                                                                                                              "line": 12,
+                                                                                                            },
+                                                                                                          },
+                                                                                                          "type": "ReturnStatement",
+                                                                                                        },
+                                                                                                      ],
+                                                                                                      "type": "BlockStatement",
+                                                                                                    },
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 9,
+                                                                                                        "line": 15,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 8,
+                                                                                                        "line": 10,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "test": Object {
+                                                                                                      "arguments": Array [
+                                                                                                        Node {
+                                                                                                          "end": 159,
+                                                                                                          "loc": SourceLocation {
+                                                                                                            "end": Position {
+                                                                                                              "column": 23,
+                                                                                                              "line": 10,
+                                                                                                            },
+                                                                                                            "start": Position {
+                                                                                                              "column": 20,
+                                                                                                              "line": 10,
+                                                                                                            },
+                                                                                                          },
+                                                                                                          "name": "exp",
+                                                                                                          "start": 156,
+                                                                                                          "type": "Identifier",
+                                                                                                        },
+                                                                                                      ],
+                                                                                                      "callee": Object {
+                                                                                                        "body": Object {
+                                                                                                          "body": Array [
+                                                                                                            Object {
+                                                                                                              "argument": Object {
+                                                                                                                "left": Object {
+                                                                                                                  "left": Node {
+                                                                                                                    "end": 37,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 12,
+                                                                                                                        "line": 3,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 11,
+                                                                                                                        "line": 3,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "n",
+                                                                                                                    "start": 36,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                  "loc": SourceLocation {
+                                                                                                                    "end": Position {
+                                                                                                                      "column": 16,
+                                                                                                                      "line": 3,
+                                                                                                                    },
+                                                                                                                    "start": Position {
+                                                                                                                      "column": 11,
+                                                                                                                      "line": 3,
+                                                                                                                    },
+                                                                                                                  },
+                                                                                                                  "operator": "%",
+                                                                                                                  "right": Node {
+                                                                                                                    "end": 41,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 16,
+                                                                                                                        "line": 3,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 15,
+                                                                                                                        "line": 3,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "raw": "2",
+                                                                                                                    "start": 40,
+                                                                                                                    "type": "Literal",
+                                                                                                                    "value": 2,
+                                                                                                                  },
+                                                                                                                  "type": "BinaryExpression",
+                                                                                                                },
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 22,
+                                                                                                                    "line": 3,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 11,
+                                                                                                                    "line": 3,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "operator": "===",
+                                                                                                                "right": Node {
+                                                                                                                  "end": 47,
+                                                                                                                  "loc": SourceLocation {
+                                                                                                                    "end": Position {
+                                                                                                                      "column": 22,
+                                                                                                                      "line": 3,
+                                                                                                                    },
+                                                                                                                    "start": Position {
+                                                                                                                      "column": 21,
+                                                                                                                      "line": 3,
+                                                                                                                    },
+                                                                                                                  },
+                                                                                                                  "raw": "0",
+                                                                                                                  "start": 46,
+                                                                                                                  "type": "Literal",
+                                                                                                                  "value": 0,
+                                                                                                                },
+                                                                                                                "type": "BinaryExpression",
+                                                                                                              },
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 23,
+                                                                                                                  "line": 3,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 4,
+                                                                                                                  "line": 3,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "type": "ReturnStatement",
+                                                                                                            },
+                                                                                                          ],
+                                                                                                          "type": "BlockStatement",
+                                                                                                        },
+                                                                                                        "id": Node {
+                                                                                                          "end": 19,
+                                                                                                          "loc": SourceLocation {
+                                                                                                            "end": Position {
+                                                                                                              "column": 18,
+                                                                                                              "line": 2,
+                                                                                                            },
+                                                                                                            "start": Position {
+                                                                                                              "column": 11,
+                                                                                                              "line": 2,
+                                                                                                            },
+                                                                                                          },
+                                                                                                          "name": "is_even",
+                                                                                                          "start": 12,
+                                                                                                          "type": "Identifier",
+                                                                                                        },
+                                                                                                        "loc": undefined,
+                                                                                                        "params": Array [
+                                                                                                          Node {
+                                                                                                            "end": 21,
+                                                                                                            "loc": SourceLocation {
+                                                                                                              "end": Position {
+                                                                                                                "column": 20,
+                                                                                                                "line": 2,
+                                                                                                              },
+                                                                                                              "start": Position {
+                                                                                                                "column": 19,
+                                                                                                                "line": 2,
+                                                                                                              },
+                                                                                                            },
+                                                                                                            "name": "n",
+                                                                                                            "start": 20,
+                                                                                                            "type": "Identifier",
+                                                                                                          },
+                                                                                                        ],
+                                                                                                        "type": "FunctionExpression",
+                                                                                                      },
+                                                                                                      "loc": SourceLocation {
+                                                                                                        "end": Position {
+                                                                                                          "column": 24,
+                                                                                                          "line": 10,
+                                                                                                        },
+                                                                                                        "start": Position {
+                                                                                                          "column": 12,
+                                                                                                          "line": 10,
+                                                                                                        },
+                                                                                                      },
+                                                                                                      "type": "CallExpression",
+                                                                                                    },
+                                                                                                    "type": "IfStatement",
+                                                                                                  },
+                                                                                                ],
+                                                                                                "type": "BlockStatement",
+                                                                                              },
+                                                                                              "consequent": Object {
+                                                                                                "body": Array [
+                                                                                                  Object {
+                                                                                                    "argument": Node {
+                                                                                                      "end": 121,
+                                                                                                      "loc": SourceLocation {
+                                                                                                        "end": Position {
+                                                                                                          "column": 16,
+                                                                                                          "line": 8,
+                                                                                                        },
+                                                                                                        "start": Position {
+                                                                                                          "column": 15,
+                                                                                                          "line": 8,
+                                                                                                        },
+                                                                                                      },
+                                                                                                      "raw": "1",
+                                                                                                      "start": 120,
+                                                                                                      "type": "Literal",
+                                                                                                      "value": 1,
+                                                                                                    },
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 17,
+                                                                                                        "line": 8,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 8,
+                                                                                                        "line": 8,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "type": "ReturnStatement",
+                                                                                                  },
+                                                                                                ],
+                                                                                                "type": "BlockStatement",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 5,
+                                                                                                  "line": 16,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 4,
+                                                                                                  "line": 7,
+                                                                                                },
+                                                                                              },
+                                                                                              "test": Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 95,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 11,
+                                                                                                      "line": 7,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 8,
+                                                                                                      "line": 7,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 92,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 17,
+                                                                                                    "line": 7,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 8,
+                                                                                                    "line": 7,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "===",
+                                                                                                "right": Node {
+                                                                                                  "end": 101,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 17,
+                                                                                                      "line": 7,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 16,
+                                                                                                      "line": 7,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "0",
+                                                                                                  "start": 100,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 0,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              "type": "IfStatement",
+                                                                                            },
+                                                                                          ],
+                                                                                          "type": "BlockStatement",
+                                                                                        },
+                                                                                        "id": Node {
+                                                                                          "end": 67,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 15,
+                                                                                              "line": 6,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 9,
+                                                                                              "line": 6,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "expmod",
+                                                                                          "start": 61,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "loc": undefined,
+                                                                                        "params": Array [
+                                                                                          Node {
+                                                                                            "end": 72,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 20,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 16,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "base",
+                                                                                            "start": 68,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          Node {
+                                                                                            "end": 77,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 25,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 22,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "exp",
+                                                                                            "start": 74,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          Node {
+                                                                                            "end": 80,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 28,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 27,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "m",
+                                                                                            "start": 79,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                        ],
+                                                                                        "type": "FunctionExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 50,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 26,
+                                                                                          "line": 14,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "CallExpression",
+                                                                                    },
+                                                                                    "type": "BinaryExpression",
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 54,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 19,
+                                                                                      "line": 14,
+                                                                                    },
+                                                                                  },
+                                                                                  "operator": "%",
+                                                                                  "right": Object {
+                                                                                    "loc": undefined,
+                                                                                    "type": "Literal",
+                                                                                    "value": 5,
+                                                                                  },
+                                                                                  "type": "BinaryExpression",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 55,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 12,
+                                                                                    "line": 14,
+                                                                                  },
+                                                                                },
+                                                                                "type": "ReturnStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "consequent": Object {
+                                                                            "body": Array [
+                                                                              Object {
+                                                                                "declarations": Array [
+                                                                                  Object {
+                                                                                    "id": Node {
+                                                                                      "end": 189,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 25,
+                                                                                          "line": 11,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 18,
+                                                                                          "line": 11,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "to_half",
+                                                                                      "start": 182,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                    "init": Object {
+                                                                                      "arguments": Array [
+                                                                                        Object {
+                                                                                          "loc": undefined,
+                                                                                          "type": "Literal",
+                                                                                          "value": 4,
+                                                                                        },
+                                                                                        Object {
+                                                                                          "left": Object {
+                                                                                            "loc": undefined,
+                                                                                            "type": "Literal",
+                                                                                            "value": 0,
+                                                                                          },
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 48,
+                                                                                              "line": 11,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 41,
+                                                                                              "line": 11,
+                                                                                            },
+                                                                                          },
+                                                                                          "operator": "/",
+                                                                                          "right": Node {
+                                                                                            "end": 212,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 48,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 47,
+                                                                                                "line": 11,
+                                                                                              },
+                                                                                            },
+                                                                                            "raw": "2",
+                                                                                            "start": 211,
+                                                                                            "type": "Literal",
+                                                                                            "value": 2,
+                                                                                          },
+                                                                                          "type": "BinaryExpression",
+                                                                                        },
+                                                                                        Object {
+                                                                                          "loc": undefined,
+                                                                                          "type": "Literal",
+                                                                                          "value": 5,
+                                                                                        },
+                                                                                      ],
+                                                                                      "callee": Object {
+                                                                                        "body": Object {
+                                                                                          "body": Array [
+                                                                                            Object {
+                                                                                              "alternate": Object {
+                                                                                                "body": Array [
+                                                                                                  Object {
+                                                                                                    "alternate": Object {
+                                                                                                      "body": Array [
+                                                                                                        Object {
+                                                                                                          "argument": Object {
+                                                                                                            "left": Object {
+                                                                                                              "left": Node {
+                                                                                                                "end": 300,
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 23,
+                                                                                                                    "line": 14,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 19,
+                                                                                                                    "line": 14,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "name": "base",
+                                                                                                                "start": 296,
+                                                                                                                "type": "Identifier",
+                                                                                                              },
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 50,
+                                                                                                                  "line": 14,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 19,
+                                                                                                                  "line": 14,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "operator": "*",
+                                                                                                              "right": Object {
+                                                                                                                "arguments": Array [
+                                                                                                                  Node {
+                                                                                                                    "end": 314,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 37,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 33,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "base",
+                                                                                                                    "start": 310,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                  Object {
+                                                                                                                    "left": Node {
+                                                                                                                      "end": 319,
+                                                                                                                      "loc": SourceLocation {
+                                                                                                                        "end": Position {
+                                                                                                                          "column": 42,
+                                                                                                                          "line": 14,
+                                                                                                                        },
+                                                                                                                        "start": Position {
+                                                                                                                          "column": 39,
+                                                                                                                          "line": 14,
+                                                                                                                        },
+                                                                                                                      },
+                                                                                                                      "name": "exp",
+                                                                                                                      "start": 316,
+                                                                                                                      "type": "Identifier",
+                                                                                                                    },
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 46,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 39,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "operator": "-",
+                                                                                                                    "right": Node {
+                                                                                                                      "end": 323,
+                                                                                                                      "loc": SourceLocation {
+                                                                                                                        "end": Position {
+                                                                                                                          "column": 46,
+                                                                                                                          "line": 14,
+                                                                                                                        },
+                                                                                                                        "start": Position {
+                                                                                                                          "column": 45,
+                                                                                                                          "line": 14,
+                                                                                                                        },
+                                                                                                                      },
+                                                                                                                      "raw": "1",
+                                                                                                                      "start": 322,
+                                                                                                                      "type": "Literal",
+                                                                                                                      "value": 1,
+                                                                                                                    },
+                                                                                                                    "type": "BinaryExpression",
+                                                                                                                  },
+                                                                                                                  Node {
+                                                                                                                    "end": 326,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 49,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 48,
+                                                                                                                        "line": 14,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "m",
+                                                                                                                    "start": 325,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                ],
+                                                                                                                "callee": [Circular],
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 50,
+                                                                                                                    "line": 14,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 26,
+                                                                                                                    "line": 14,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "type": "CallExpression",
+                                                                                                              },
+                                                                                                              "type": "BinaryExpression",
+                                                                                                            },
+                                                                                                            "loc": SourceLocation {
+                                                                                                              "end": Position {
+                                                                                                                "column": 54,
+                                                                                                                "line": 14,
+                                                                                                              },
+                                                                                                              "start": Position {
+                                                                                                                "column": 19,
+                                                                                                                "line": 14,
+                                                                                                              },
+                                                                                                            },
+                                                                                                            "operator": "%",
+                                                                                                            "right": Node {
+                                                                                                              "end": 331,
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 54,
+                                                                                                                  "line": 14,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 53,
+                                                                                                                  "line": 14,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "name": "m",
+                                                                                                              "start": 330,
+                                                                                                              "type": "Identifier",
+                                                                                                            },
+                                                                                                            "type": "BinaryExpression",
+                                                                                                          },
+                                                                                                          "loc": SourceLocation {
+                                                                                                            "end": Position {
+                                                                                                              "column": 55,
+                                                                                                              "line": 14,
+                                                                                                            },
+                                                                                                            "start": Position {
+                                                                                                              "column": 12,
+                                                                                                              "line": 14,
+                                                                                                            },
+                                                                                                          },
+                                                                                                          "type": "ReturnStatement",
+                                                                                                        },
+                                                                                                      ],
+                                                                                                      "type": "BlockStatement",
+                                                                                                    },
+                                                                                                    "consequent": Object {
+                                                                                                      "body": Array [
+                                                                                                        Object {
+                                                                                                          "declarations": Array [
+                                                                                                            Object {
+                                                                                                              "id": Node {
+                                                                                                                "end": 189,
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 25,
+                                                                                                                    "line": 11,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 18,
+                                                                                                                    "line": 11,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "name": "to_half",
+                                                                                                                "start": 182,
+                                                                                                                "type": "Identifier",
+                                                                                                              },
+                                                                                                              "init": Object {
+                                                                                                                "arguments": Array [
+                                                                                                                  Node {
+                                                                                                                    "end": 203,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 39,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 35,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "base",
+                                                                                                                    "start": 199,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                  Object {
+                                                                                                                    "left": Node {
+                                                                                                                      "end": 208,
+                                                                                                                      "loc": SourceLocation {
+                                                                                                                        "end": Position {
+                                                                                                                          "column": 44,
+                                                                                                                          "line": 11,
+                                                                                                                        },
+                                                                                                                        "start": Position {
+                                                                                                                          "column": 41,
+                                                                                                                          "line": 11,
+                                                                                                                        },
+                                                                                                                      },
+                                                                                                                      "name": "exp",
+                                                                                                                      "start": 205,
+                                                                                                                      "type": "Identifier",
+                                                                                                                    },
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 48,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 41,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "operator": "/",
+                                                                                                                    "right": Node {
+                                                                                                                      "end": 212,
+                                                                                                                      "loc": SourceLocation {
+                                                                                                                        "end": Position {
+                                                                                                                          "column": 48,
+                                                                                                                          "line": 11,
+                                                                                                                        },
+                                                                                                                        "start": Position {
+                                                                                                                          "column": 47,
+                                                                                                                          "line": 11,
+                                                                                                                        },
+                                                                                                                      },
+                                                                                                                      "raw": "2",
+                                                                                                                      "start": 211,
+                                                                                                                      "type": "Literal",
+                                                                                                                      "value": 2,
+                                                                                                                    },
+                                                                                                                    "type": "BinaryExpression",
+                                                                                                                  },
+                                                                                                                  Node {
+                                                                                                                    "end": 215,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 51,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 50,
+                                                                                                                        "line": 11,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "m",
+                                                                                                                    "start": 214,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                ],
+                                                                                                                "callee": [Circular],
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 52,
+                                                                                                                    "line": 11,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 28,
+                                                                                                                    "line": 11,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "type": "CallExpression",
+                                                                                                              },
+                                                                                                              "loc": undefined,
+                                                                                                              "type": "VariableDeclarator",
+                                                                                                            },
+                                                                                                          ],
+                                                                                                          "kind": "const",
+                                                                                                          "loc": undefined,
+                                                                                                          "type": "VariableDeclaration",
+                                                                                                        },
+                                                                                                        Object {
+                                                                                                          "argument": Object {
+                                                                                                            "left": Object {
+                                                                                                              "left": Node {
+                                                                                                                "end": 244,
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 26,
+                                                                                                                    "line": 12,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 19,
+                                                                                                                    "line": 12,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "name": "to_half",
+                                                                                                                "start": 237,
+                                                                                                                "type": "Identifier",
+                                                                                                              },
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 36,
+                                                                                                                  "line": 12,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 19,
+                                                                                                                  "line": 12,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "operator": "*",
+                                                                                                              "right": Node {
+                                                                                                                "end": 254,
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 36,
+                                                                                                                    "line": 12,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 29,
+                                                                                                                    "line": 12,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "name": "to_half",
+                                                                                                                "start": 247,
+                                                                                                                "type": "Identifier",
+                                                                                                              },
+                                                                                                              "type": "BinaryExpression",
+                                                                                                            },
+                                                                                                            "loc": SourceLocation {
+                                                                                                              "end": Position {
+                                                                                                                "column": 40,
+                                                                                                                "line": 12,
+                                                                                                              },
+                                                                                                              "start": Position {
+                                                                                                                "column": 19,
+                                                                                                                "line": 12,
+                                                                                                              },
+                                                                                                            },
+                                                                                                            "operator": "%",
+                                                                                                            "right": Node {
+                                                                                                              "end": 258,
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 40,
+                                                                                                                  "line": 12,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 39,
+                                                                                                                  "line": 12,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "name": "m",
+                                                                                                              "start": 257,
+                                                                                                              "type": "Identifier",
+                                                                                                            },
+                                                                                                            "type": "BinaryExpression",
+                                                                                                          },
+                                                                                                          "loc": SourceLocation {
+                                                                                                            "end": Position {
+                                                                                                              "column": 41,
+                                                                                                              "line": 12,
+                                                                                                            },
+                                                                                                            "start": Position {
+                                                                                                              "column": 12,
+                                                                                                              "line": 12,
+                                                                                                            },
+                                                                                                          },
+                                                                                                          "type": "ReturnStatement",
+                                                                                                        },
+                                                                                                      ],
+                                                                                                      "type": "BlockStatement",
+                                                                                                    },
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 9,
+                                                                                                        "line": 15,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 8,
+                                                                                                        "line": 10,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "test": Object {
+                                                                                                      "arguments": Array [
+                                                                                                        Node {
+                                                                                                          "end": 159,
+                                                                                                          "loc": SourceLocation {
+                                                                                                            "end": Position {
+                                                                                                              "column": 23,
+                                                                                                              "line": 10,
+                                                                                                            },
+                                                                                                            "start": Position {
+                                                                                                              "column": 20,
+                                                                                                              "line": 10,
+                                                                                                            },
+                                                                                                          },
+                                                                                                          "name": "exp",
+                                                                                                          "start": 156,
+                                                                                                          "type": "Identifier",
+                                                                                                        },
+                                                                                                      ],
+                                                                                                      "callee": Object {
+                                                                                                        "body": Object {
+                                                                                                          "body": Array [
+                                                                                                            Object {
+                                                                                                              "argument": Object {
+                                                                                                                "left": Object {
+                                                                                                                  "left": Node {
+                                                                                                                    "end": 37,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 12,
+                                                                                                                        "line": 3,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 11,
+                                                                                                                        "line": 3,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "name": "n",
+                                                                                                                    "start": 36,
+                                                                                                                    "type": "Identifier",
+                                                                                                                  },
+                                                                                                                  "loc": SourceLocation {
+                                                                                                                    "end": Position {
+                                                                                                                      "column": 16,
+                                                                                                                      "line": 3,
+                                                                                                                    },
+                                                                                                                    "start": Position {
+                                                                                                                      "column": 11,
+                                                                                                                      "line": 3,
+                                                                                                                    },
+                                                                                                                  },
+                                                                                                                  "operator": "%",
+                                                                                                                  "right": Node {
+                                                                                                                    "end": 41,
+                                                                                                                    "loc": SourceLocation {
+                                                                                                                      "end": Position {
+                                                                                                                        "column": 16,
+                                                                                                                        "line": 3,
+                                                                                                                      },
+                                                                                                                      "start": Position {
+                                                                                                                        "column": 15,
+                                                                                                                        "line": 3,
+                                                                                                                      },
+                                                                                                                    },
+                                                                                                                    "raw": "2",
+                                                                                                                    "start": 40,
+                                                                                                                    "type": "Literal",
+                                                                                                                    "value": 2,
+                                                                                                                  },
+                                                                                                                  "type": "BinaryExpression",
+                                                                                                                },
+                                                                                                                "loc": SourceLocation {
+                                                                                                                  "end": Position {
+                                                                                                                    "column": 22,
+                                                                                                                    "line": 3,
+                                                                                                                  },
+                                                                                                                  "start": Position {
+                                                                                                                    "column": 11,
+                                                                                                                    "line": 3,
+                                                                                                                  },
+                                                                                                                },
+                                                                                                                "operator": "===",
+                                                                                                                "right": Node {
+                                                                                                                  "end": 47,
+                                                                                                                  "loc": SourceLocation {
+                                                                                                                    "end": Position {
+                                                                                                                      "column": 22,
+                                                                                                                      "line": 3,
+                                                                                                                    },
+                                                                                                                    "start": Position {
+                                                                                                                      "column": 21,
+                                                                                                                      "line": 3,
+                                                                                                                    },
+                                                                                                                  },
+                                                                                                                  "raw": "0",
+                                                                                                                  "start": 46,
+                                                                                                                  "type": "Literal",
+                                                                                                                  "value": 0,
+                                                                                                                },
+                                                                                                                "type": "BinaryExpression",
+                                                                                                              },
+                                                                                                              "loc": SourceLocation {
+                                                                                                                "end": Position {
+                                                                                                                  "column": 23,
+                                                                                                                  "line": 3,
+                                                                                                                },
+                                                                                                                "start": Position {
+                                                                                                                  "column": 4,
+                                                                                                                  "line": 3,
+                                                                                                                },
+                                                                                                              },
+                                                                                                              "type": "ReturnStatement",
+                                                                                                            },
+                                                                                                          ],
+                                                                                                          "type": "BlockStatement",
+                                                                                                        },
+                                                                                                        "id": Node {
+                                                                                                          "end": 19,
+                                                                                                          "loc": SourceLocation {
+                                                                                                            "end": Position {
+                                                                                                              "column": 18,
+                                                                                                              "line": 2,
+                                                                                                            },
+                                                                                                            "start": Position {
+                                                                                                              "column": 11,
+                                                                                                              "line": 2,
+                                                                                                            },
+                                                                                                          },
+                                                                                                          "name": "is_even",
+                                                                                                          "start": 12,
+                                                                                                          "type": "Identifier",
+                                                                                                        },
+                                                                                                        "loc": undefined,
+                                                                                                        "params": Array [
+                                                                                                          Node {
+                                                                                                            "end": 21,
+                                                                                                            "loc": SourceLocation {
+                                                                                                              "end": Position {
+                                                                                                                "column": 20,
+                                                                                                                "line": 2,
+                                                                                                              },
+                                                                                                              "start": Position {
+                                                                                                                "column": 19,
+                                                                                                                "line": 2,
+                                                                                                              },
+                                                                                                            },
+                                                                                                            "name": "n",
+                                                                                                            "start": 20,
+                                                                                                            "type": "Identifier",
+                                                                                                          },
+                                                                                                        ],
+                                                                                                        "type": "FunctionExpression",
+                                                                                                      },
+                                                                                                      "loc": SourceLocation {
+                                                                                                        "end": Position {
+                                                                                                          "column": 24,
+                                                                                                          "line": 10,
+                                                                                                        },
+                                                                                                        "start": Position {
+                                                                                                          "column": 12,
+                                                                                                          "line": 10,
+                                                                                                        },
+                                                                                                      },
+                                                                                                      "type": "CallExpression",
+                                                                                                    },
+                                                                                                    "type": "IfStatement",
+                                                                                                  },
+                                                                                                ],
+                                                                                                "type": "BlockStatement",
+                                                                                              },
+                                                                                              "consequent": Object {
+                                                                                                "body": Array [
+                                                                                                  Object {
+                                                                                                    "argument": Node {
+                                                                                                      "end": 121,
+                                                                                                      "loc": SourceLocation {
+                                                                                                        "end": Position {
+                                                                                                          "column": 16,
+                                                                                                          "line": 8,
+                                                                                                        },
+                                                                                                        "start": Position {
+                                                                                                          "column": 15,
+                                                                                                          "line": 8,
+                                                                                                        },
+                                                                                                      },
+                                                                                                      "raw": "1",
+                                                                                                      "start": 120,
+                                                                                                      "type": "Literal",
+                                                                                                      "value": 1,
+                                                                                                    },
+                                                                                                    "loc": SourceLocation {
+                                                                                                      "end": Position {
+                                                                                                        "column": 17,
+                                                                                                        "line": 8,
+                                                                                                      },
+                                                                                                      "start": Position {
+                                                                                                        "column": 8,
+                                                                                                        "line": 8,
+                                                                                                      },
+                                                                                                    },
+                                                                                                    "type": "ReturnStatement",
+                                                                                                  },
+                                                                                                ],
+                                                                                                "type": "BlockStatement",
+                                                                                              },
+                                                                                              "loc": SourceLocation {
+                                                                                                "end": Position {
+                                                                                                  "column": 5,
+                                                                                                  "line": 16,
+                                                                                                },
+                                                                                                "start": Position {
+                                                                                                  "column": 4,
+                                                                                                  "line": 7,
+                                                                                                },
+                                                                                              },
+                                                                                              "test": Object {
+                                                                                                "left": Node {
+                                                                                                  "end": 95,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 11,
+                                                                                                      "line": 7,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 8,
+                                                                                                      "line": 7,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "name": "exp",
+                                                                                                  "start": 92,
+                                                                                                  "type": "Identifier",
+                                                                                                },
+                                                                                                "loc": SourceLocation {
+                                                                                                  "end": Position {
+                                                                                                    "column": 17,
+                                                                                                    "line": 7,
+                                                                                                  },
+                                                                                                  "start": Position {
+                                                                                                    "column": 8,
+                                                                                                    "line": 7,
+                                                                                                  },
+                                                                                                },
+                                                                                                "operator": "===",
+                                                                                                "right": Node {
+                                                                                                  "end": 101,
+                                                                                                  "loc": SourceLocation {
+                                                                                                    "end": Position {
+                                                                                                      "column": 17,
+                                                                                                      "line": 7,
+                                                                                                    },
+                                                                                                    "start": Position {
+                                                                                                      "column": 16,
+                                                                                                      "line": 7,
+                                                                                                    },
+                                                                                                  },
+                                                                                                  "raw": "0",
+                                                                                                  "start": 100,
+                                                                                                  "type": "Literal",
+                                                                                                  "value": 0,
+                                                                                                },
+                                                                                                "type": "BinaryExpression",
+                                                                                              },
+                                                                                              "type": "IfStatement",
+                                                                                            },
+                                                                                          ],
+                                                                                          "type": "BlockStatement",
+                                                                                        },
+                                                                                        "id": Node {
+                                                                                          "end": 67,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 15,
+                                                                                              "line": 6,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 9,
+                                                                                              "line": 6,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "expmod",
+                                                                                          "start": 61,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "loc": undefined,
+                                                                                        "params": Array [
+                                                                                          Node {
+                                                                                            "end": 72,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 20,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 16,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "base",
+                                                                                            "start": 68,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          Node {
+                                                                                            "end": 77,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 25,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 22,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "exp",
+                                                                                            "start": 74,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                          Node {
+                                                                                            "end": 80,
+                                                                                            "loc": SourceLocation {
+                                                                                              "end": Position {
+                                                                                                "column": 28,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                              "start": Position {
+                                                                                                "column": 27,
+                                                                                                "line": 6,
+                                                                                              },
+                                                                                            },
+                                                                                            "name": "m",
+                                                                                            "start": 79,
+                                                                                            "type": "Identifier",
+                                                                                          },
+                                                                                        ],
+                                                                                        "type": "FunctionExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 52,
+                                                                                          "line": 11,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 28,
+                                                                                          "line": 11,
+                                                                                        },
+                                                                                      },
+                                                                                      "type": "CallExpression",
+                                                                                    },
+                                                                                    "loc": undefined,
+                                                                                    "type": "VariableDeclarator",
+                                                                                  },
+                                                                                ],
+                                                                                "kind": "const",
+                                                                                "loc": undefined,
+                                                                                "type": "VariableDeclaration",
+                                                                              },
+                                                                              Object {
+                                                                                "argument": Object {
+                                                                                  "left": Object {
+                                                                                    "left": Node {
+                                                                                      "end": 244,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 26,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 19,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "to_half",
+                                                                                      "start": 237,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 36,
+                                                                                        "line": 12,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 19,
+                                                                                        "line": 12,
+                                                                                      },
+                                                                                    },
+                                                                                    "operator": "*",
+                                                                                    "right": Node {
+                                                                                      "end": 254,
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 36,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 29,
+                                                                                          "line": 12,
+                                                                                        },
+                                                                                      },
+                                                                                      "name": "to_half",
+                                                                                      "start": 247,
+                                                                                      "type": "Identifier",
+                                                                                    },
+                                                                                    "type": "BinaryExpression",
+                                                                                  },
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 40,
+                                                                                      "line": 12,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 19,
+                                                                                      "line": 12,
+                                                                                    },
+                                                                                  },
+                                                                                  "operator": "%",
+                                                                                  "right": Object {
+                                                                                    "loc": undefined,
+                                                                                    "type": "Literal",
+                                                                                    "value": 5,
+                                                                                  },
+                                                                                  "type": "BinaryExpression",
+                                                                                },
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 41,
+                                                                                    "line": 12,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 12,
+                                                                                    "line": 12,
+                                                                                  },
+                                                                                },
+                                                                                "type": "ReturnStatement",
+                                                                              },
+                                                                            ],
+                                                                            "type": "BlockStatement",
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 9,
+                                                                              "line": 15,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 8,
+                                                                              "line": 10,
+                                                                            },
+                                                                          },
+                                                                          "test": Object {
+                                                                            "arguments": Array [
+                                                                              Object {
+                                                                                "loc": undefined,
+                                                                                "type": "Literal",
+                                                                                "value": 0,
+                                                                              },
+                                                                            ],
+                                                                            "callee": Object {
+                                                                              "body": Object {
+                                                                                "body": Array [
+                                                                                  Object {
+                                                                                    "argument": Object {
+                                                                                      "left": Object {
+                                                                                        "left": Node {
+                                                                                          "end": 37,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 12,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 11,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                          },
+                                                                                          "name": "n",
+                                                                                          "start": 36,
+                                                                                          "type": "Identifier",
+                                                                                        },
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 16,
+                                                                                            "line": 3,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 11,
+                                                                                            "line": 3,
+                                                                                          },
+                                                                                        },
+                                                                                        "operator": "%",
+                                                                                        "right": Node {
+                                                                                          "end": 41,
+                                                                                          "loc": SourceLocation {
+                                                                                            "end": Position {
+                                                                                              "column": 16,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                            "start": Position {
+                                                                                              "column": 15,
+                                                                                              "line": 3,
+                                                                                            },
+                                                                                          },
+                                                                                          "raw": "2",
+                                                                                          "start": 40,
+                                                                                          "type": "Literal",
+                                                                                          "value": 2,
+                                                                                        },
+                                                                                        "type": "BinaryExpression",
+                                                                                      },
+                                                                                      "loc": SourceLocation {
+                                                                                        "end": Position {
+                                                                                          "column": 22,
+                                                                                          "line": 3,
+                                                                                        },
+                                                                                        "start": Position {
+                                                                                          "column": 11,
+                                                                                          "line": 3,
+                                                                                        },
+                                                                                      },
+                                                                                      "operator": "===",
+                                                                                      "right": Node {
+                                                                                        "end": 47,
+                                                                                        "loc": SourceLocation {
+                                                                                          "end": Position {
+                                                                                            "column": 22,
+                                                                                            "line": 3,
+                                                                                          },
+                                                                                          "start": Position {
+                                                                                            "column": 21,
+                                                                                            "line": 3,
+                                                                                          },
+                                                                                        },
+                                                                                        "raw": "0",
+                                                                                        "start": 46,
+                                                                                        "type": "Literal",
+                                                                                        "value": 0,
+                                                                                      },
+                                                                                      "type": "BinaryExpression",
+                                                                                    },
+                                                                                    "loc": SourceLocation {
+                                                                                      "end": Position {
+                                                                                        "column": 23,
+                                                                                        "line": 3,
+                                                                                      },
+                                                                                      "start": Position {
+                                                                                        "column": 4,
+                                                                                        "line": 3,
+                                                                                      },
+                                                                                    },
+                                                                                    "type": "ReturnStatement",
+                                                                                  },
+                                                                                ],
+                                                                                "type": "BlockStatement",
+                                                                              },
+                                                                              "id": Node {
+                                                                                "end": 19,
+                                                                                "loc": SourceLocation {
+                                                                                  "end": Position {
+                                                                                    "column": 18,
+                                                                                    "line": 2,
+                                                                                  },
+                                                                                  "start": Position {
+                                                                                    "column": 11,
+                                                                                    "line": 2,
+                                                                                  },
+                                                                                },
+                                                                                "name": "is_even",
+                                                                                "start": 12,
+                                                                                "type": "Identifier",
+                                                                              },
+                                                                              "loc": undefined,
+                                                                              "params": Array [
+                                                                                Node {
+                                                                                  "end": 21,
+                                                                                  "loc": SourceLocation {
+                                                                                    "end": Position {
+                                                                                      "column": 20,
+                                                                                      "line": 2,
+                                                                                    },
+                                                                                    "start": Position {
+                                                                                      "column": 19,
+                                                                                      "line": 2,
+                                                                                    },
+                                                                                  },
+                                                                                  "name": "n",
+                                                                                  "start": 20,
+                                                                                  "type": "Identifier",
+                                                                                },
+                                                                              ],
+                                                                              "type": "FunctionExpression",
+                                                                            },
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 24,
+                                                                                "line": 10,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 12,
+                                                                                "line": 10,
+                                                                              },
+                                                                            },
+                                                                            "type": "CallExpression",
+                                                                          },
+                                                                          "type": "IfStatement",
+                                                                        },
+                                                                      ],
+                                                                      "type": "BlockStatement",
+                                                                    },
+                                                                    "consequent": Object {
+                                                                      "body": Array [
+                                                                        Object {
+                                                                          "argument": Node {
+                                                                            "end": 121,
+                                                                            "loc": SourceLocation {
+                                                                              "end": Position {
+                                                                                "column": 16,
+                                                                                "line": 8,
+                                                                              },
+                                                                              "start": Position {
+                                                                                "column": 15,
+                                                                                "line": 8,
+                                                                              },
+                                                                            },
+                                                                            "raw": "1",
+                                                                            "start": 120,
+                                                                            "type": "Literal",
+                                                                            "value": 1,
+                                                                          },
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 17,
+                                                                              "line": 8,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 8,
+                                                                              "line": 8,
+                                                                            },
+                                                                          },
+                                                                          "type": "ReturnStatement",
+                                                                        },
+                                                                      ],
+                                                                      "type": "BlockStatement",
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 5,
+                                                                        "line": 16,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 4,
+                                                                        "line": 7,
+                                                                      },
+                                                                    },
+                                                                    "test": Node {
+                                                                      "end": 4,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 4,
+                                                                          "line": 1,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 0,
+                                                                          "line": 1,
+                                                                        },
+                                                                      },
+                                                                      "raw": "true",
+                                                                      "start": 0,
+                                                                      "type": "Literal",
+                                                                      "value": true,
+                                                                    },
+                                                                    "type": "IfStatement",
+                                                                  },
+                                                                ],
+                                                                "loc": undefined,
+                                                                "type": "BlockExpression",
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 54,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 19,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "operator": "%",
+                                                            "right": Object {
+                                                              "loc": undefined,
+                                                              "type": "Literal",
+                                                              "value": 5,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 55,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 12,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "type": "ReturnStatement",
+                                                        },
+                                                      ],
+                                                      "type": "BlockStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                              ],
+                                              "loc": undefined,
+                                              "type": "BlockExpression",
+                                            },
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Object {
+                                              "name": "to_half",
+                                              "type": "Identifier",
+                                            },
+                                            "init": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "body": Array [
+                                                        Object {
+                                                          "argument": Object {
+                                                            "left": Object {
+                                                              "left": Object {
+                                                                "loc": undefined,
+                                                                "type": "Literal",
+                                                                "value": 4,
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 50,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 19,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "operator": "*",
+                                                              "right": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "body": Array [
+                                                                      Object {
+                                                                        "argument": Node {
+                                                                          "end": 121,
+                                                                          "loc": SourceLocation {
+                                                                            "end": Position {
+                                                                              "column": 16,
+                                                                              "line": 8,
+                                                                            },
+                                                                            "start": Position {
+                                                                              "column": 15,
+                                                                              "line": 8,
+                                                                            },
+                                                                          },
+                                                                          "raw": "1",
+                                                                          "start": 120,
+                                                                          "type": "Literal",
+                                                                          "value": 1,
+                                                                        },
+                                                                        "loc": SourceLocation {
+                                                                          "end": Position {
+                                                                            "column": 17,
+                                                                            "line": 8,
+                                                                          },
+                                                                          "start": Position {
+                                                                            "column": 8,
+                                                                            "line": 8,
+                                                                          },
+                                                                        },
+                                                                        "type": "ReturnStatement",
+                                                                      },
+                                                                    ],
+                                                                    "type": "BlockStatement",
+                                                                  },
+                                                                ],
+                                                                "loc": undefined,
+                                                                "type": "BlockExpression",
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 54,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 19,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "operator": "%",
+                                                            "right": Object {
+                                                              "loc": undefined,
+                                                              "type": "Literal",
+                                                              "value": 5,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 55,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 12,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "type": "ReturnStatement",
+                                                        },
+                                                      ],
+                                                      "type": "BlockStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                              ],
+                                              "loc": undefined,
+                                              "type": "BlockExpression",
+                                            },
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Object {
+                                              "name": "to_half",
+                                              "type": "Identifier",
+                                            },
+                                            "init": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "body": Array [
+                                                        Object {
+                                                          "argument": Object {
+                                                            "left": Object {
+                                                              "left": Object {
+                                                                "loc": undefined,
+                                                                "type": "Literal",
+                                                                "value": 4,
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 50,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 19,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "operator": "*",
+                                                              "right": Object {
+                                                                "body": Array [
+                                                                  Object {
+                                                                    "argument": Node {
+                                                                      "end": 121,
+                                                                      "loc": SourceLocation {
+                                                                        "end": Position {
+                                                                          "column": 16,
+                                                                          "line": 8,
+                                                                        },
+                                                                        "start": Position {
+                                                                          "column": 15,
+                                                                          "line": 8,
+                                                                        },
+                                                                      },
+                                                                      "raw": "1",
+                                                                      "start": 120,
+                                                                      "type": "Literal",
+                                                                      "value": 1,
+                                                                    },
+                                                                    "loc": SourceLocation {
+                                                                      "end": Position {
+                                                                        "column": 17,
+                                                                        "line": 8,
+                                                                      },
+                                                                      "start": Position {
+                                                                        "column": 8,
+                                                                        "line": 8,
+                                                                      },
+                                                                    },
+                                                                    "type": "ReturnStatement",
+                                                                  },
+                                                                ],
+                                                                "loc": undefined,
+                                                                "type": "BlockExpression",
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 54,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 19,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "operator": "%",
+                                                            "right": Object {
+                                                              "loc": undefined,
+                                                              "type": "Literal",
+                                                              "value": 5,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 55,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 12,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "type": "ReturnStatement",
+                                                        },
+                                                      ],
+                                                      "type": "BlockStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                              ],
+                                              "loc": undefined,
+                                              "type": "BlockExpression",
+                                            },
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Object {
+                                              "name": "to_half",
+                                              "type": "Identifier",
+                                            },
+                                            "init": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "body": Array [
+                                                        Object {
+                                                          "argument": Object {
+                                                            "left": Object {
+                                                              "left": Object {
+                                                                "loc": undefined,
+                                                                "type": "Literal",
+                                                                "value": 4,
+                                                              },
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 50,
+                                                                  "line": 14,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 19,
+                                                                  "line": 14,
+                                                                },
+                                                              },
+                                                              "operator": "*",
+                                                              "right": Node {
+                                                                "end": 121,
+                                                                "loc": SourceLocation {
+                                                                  "end": Position {
+                                                                    "column": 16,
+                                                                    "line": 8,
+                                                                  },
+                                                                  "start": Position {
+                                                                    "column": 15,
+                                                                    "line": 8,
+                                                                  },
+                                                                },
+                                                                "raw": "1",
+                                                                "start": 120,
+                                                                "type": "Literal",
+                                                                "value": 1,
+                                                              },
+                                                              "type": "BinaryExpression",
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 54,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 19,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "operator": "%",
+                                                            "right": Object {
+                                                              "loc": undefined,
+                                                              "type": "Literal",
+                                                              "value": 5,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 55,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 12,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "type": "ReturnStatement",
+                                                        },
+                                                      ],
+                                                      "type": "BlockStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                              ],
+                                              "loc": undefined,
+                                              "type": "BlockExpression",
+                                            },
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Object {
+                                              "name": "to_half",
+                                              "type": "Identifier",
+                                            },
+                                            "init": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "body": Array [
+                                                        Object {
+                                                          "argument": Object {
+                                                            "left": Node {
+                                                              "end": 1,
+                                                              "loc": SourceLocation {
+                                                                "end": Position {
+                                                                  "column": 1,
+                                                                  "line": 1,
+                                                                },
+                                                                "start": Position {
+                                                                  "column": 0,
+                                                                  "line": 1,
+                                                                },
+                                                              },
+                                                              "raw": "4",
+                                                              "start": 0,
+                                                              "type": "Literal",
+                                                              "value": 4,
+                                                            },
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 54,
+                                                                "line": 14,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 19,
+                                                                "line": 14,
+                                                              },
+                                                            },
+                                                            "operator": "%",
+                                                            "right": Object {
+                                                              "loc": undefined,
+                                                              "type": "Literal",
+                                                              "value": 5,
+                                                            },
+                                                            "type": "BinaryExpression",
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 55,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 12,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "type": "ReturnStatement",
+                                                        },
+                                                      ],
+                                                      "type": "BlockStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                              ],
+                                              "loc": undefined,
+                                              "type": "BlockExpression",
+                                            },
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Object {
+                                              "name": "to_half",
+                                              "type": "Identifier",
+                                            },
+                                            "init": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "body": Array [
+                                                        Object {
+                                                          "argument": Node {
+                                                            "end": 1,
+                                                            "loc": SourceLocation {
+                                                              "end": Position {
+                                                                "column": 1,
+                                                                "line": 1,
+                                                              },
+                                                              "start": Position {
+                                                                "column": 0,
+                                                                "line": 1,
+                                                              },
+                                                            },
+                                                            "raw": "4",
+                                                            "start": 0,
+                                                            "type": "Literal",
+                                                            "value": 4,
+                                                          },
+                                                          "loc": SourceLocation {
+                                                            "end": Position {
+                                                              "column": 55,
+                                                              "line": 14,
+                                                            },
+                                                            "start": Position {
+                                                              "column": 12,
+                                                              "line": 14,
+                                                            },
+                                                          },
+                                                          "type": "ReturnStatement",
+                                                        },
+                                                      ],
+                                                      "type": "BlockStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                              ],
+                                              "loc": undefined,
+                                              "type": "BlockExpression",
+                                            },
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Object {
+                                              "name": "to_half",
+                                              "type": "Identifier",
+                                            },
+                                            "init": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "body": Array [
+                                                    Object {
+                                                      "argument": Node {
+                                                        "end": 1,
+                                                        "loc": SourceLocation {
+                                                          "end": Position {
+                                                            "column": 1,
+                                                            "line": 1,
+                                                          },
+                                                          "start": Position {
+                                                            "column": 0,
+                                                            "line": 1,
+                                                          },
+                                                        },
+                                                        "raw": "4",
+                                                        "start": 0,
+                                                        "type": "Literal",
+                                                        "value": 4,
+                                                      },
+                                                      "loc": SourceLocation {
+                                                        "end": Position {
+                                                          "column": 55,
+                                                          "line": 14,
+                                                        },
+                                                        "start": Position {
+                                                          "column": 12,
+                                                          "line": 14,
+                                                        },
+                                                      },
+                                                      "type": "ReturnStatement",
+                                                    },
+                                                  ],
+                                                  "type": "BlockStatement",
+                                                },
+                                              ],
+                                              "loc": undefined,
+                                              "type": "BlockExpression",
+                                            },
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Object {
+                                              "name": "to_half",
+                                              "type": "Identifier",
+                                            },
+                                            "init": Object {
+                                              "body": Array [
+                                                Object {
+                                                  "argument": Node {
+                                                    "end": 1,
+                                                    "loc": SourceLocation {
+                                                      "end": Position {
+                                                        "column": 1,
+                                                        "line": 1,
+                                                      },
+                                                      "start": Position {
+                                                        "column": 0,
+                                                        "line": 1,
+                                                      },
+                                                    },
+                                                    "raw": "4",
+                                                    "start": 0,
+                                                    "type": "Literal",
+                                                    "value": 4,
+                                                  },
+                                                  "loc": SourceLocation {
+                                                    "end": Position {
+                                                      "column": 55,
+                                                      "line": 14,
+                                                    },
+                                                    "start": Position {
+                                                      "column": 12,
+                                                      "line": 14,
+                                                    },
+                                                  },
+                                                  "type": "ReturnStatement",
+                                                },
+                                              ],
+                                              "loc": undefined,
+                                              "type": "BlockExpression",
+                                            },
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "declarations": Array [
+                                          Object {
+                                            "id": Object {
+                                              "name": "to_half",
+                                              "type": "Identifier",
+                                            },
+                                            "init": Node {
+                                              "end": 1,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 1,
+                                                  "line": 1,
+                                                },
+                                                "start": Position {
+                                                  "column": 0,
+                                                  "line": 1,
+                                                },
+                                              },
+                                              "raw": "4",
+                                              "start": 0,
+                                              "type": "Literal",
+                                              "value": 4,
+                                            },
+                                            "type": "VariableDeclarator",
+                                          },
+                                        ],
+                                        "kind": "const",
+                                        "loc": undefined,
+                                        "type": "VariableDeclaration",
+                                      },
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Node {
+                                              "end": 244,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 26,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 19,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 237,
+                                              "type": "Identifier",
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Node {
+                                              "end": 254,
+                                              "loc": SourceLocation {
+                                                "end": Position {
+                                                  "column": 36,
+                                                  "line": 12,
+                                                },
+                                                "start": Position {
+                                                  "column": 29,
+                                                  "line": 12,
+                                                },
+                                              },
+                                              "name": "to_half",
+                                              "start": 247,
+                                              "type": "Identifier",
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "argument": Object {
+                                          "left": Object {
+                                            "left": Object {
+                                              "loc": undefined,
+                                              "type": "Literal",
+                                              "value": 4,
+                                            },
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 36,
+                                                "line": 12,
+                                              },
+                                              "start": Position {
+                                                "column": 19,
+                                                "line": 12,
+                                              },
+                                            },
+                                            "operator": "*",
+                                            "right": Object {
+                                              "loc": undefined,
+                                              "type": "Literal",
+                                              "value": 4,
+                                            },
+                                            "type": "BinaryExpression",
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "argument": Object {
+                                          "left": Node {
+                                            "end": 2,
+                                            "loc": SourceLocation {
+                                              "end": Position {
+                                                "column": 2,
+                                                "line": 1,
+                                              },
+                                              "start": Position {
+                                                "column": 0,
+                                                "line": 1,
+                                              },
+                                            },
+                                            "raw": "16",
+                                            "start": 0,
+                                            "type": "Literal",
+                                            "value": 16,
+                                          },
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 40,
+                                              "line": 12,
+                                            },
+                                            "start": Position {
+                                              "column": 19,
+                                              "line": 12,
+                                            },
+                                          },
+                                          "operator": "%",
+                                          "right": Object {
+                                            "loc": undefined,
+                                            "type": "Literal",
+                                            "value": 5,
+                                          },
+                                          "type": "BinaryExpression",
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "body": Array [
+                                      Object {
+                                        "argument": Node {
+                                          "end": 1,
+                                          "loc": SourceLocation {
+                                            "end": Position {
+                                              "column": 1,
+                                              "line": 1,
+                                            },
+                                            "start": Position {
+                                              "column": 0,
+                                              "line": 1,
+                                            },
+                                          },
+                                          "raw": "1",
+                                          "start": 0,
+                                          "type": "Literal",
+                                          "value": 1,
+                                        },
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 41,
+                                            "line": 12,
+                                          },
+                                          "start": Position {
+                                            "column": 12,
+                                            "line": 12,
+                                          },
+                                        },
+                                        "type": "ReturnStatement",
+                                      },
+                                    ],
+                                    "type": "BlockStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "body": Array [
+                                  Object {
+                                    "argument": Node {
+                                      "end": 1,
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 1,
+                                          "line": 1,
+                                        },
+                                        "start": Position {
+                                          "column": 0,
+                                          "line": 1,
+                                        },
+                                      },
+                                      "raw": "1",
+                                      "start": 0,
+                                      "type": "Literal",
+                                      "value": 1,
+                                    },
+                                    "loc": SourceLocation {
+                                      "end": Position {
+                                        "column": 41,
+                                        "line": 12,
+                                      },
+                                      "start": Position {
+                                        "column": 12,
+                                        "line": 12,
+                                      },
+                                    },
+                                    "type": "ReturnStatement",
+                                  },
+                                ],
+                                "type": "BlockStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Object {
+                            "body": Array [
+                              Object {
+                                "argument": Node {
+                                  "end": 1,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 1,
+                                      "line": 1,
+                                    },
+                                    "start": Position {
+                                      "column": 0,
+                                      "line": 1,
+                                    },
+                                  },
+                                  "raw": "1",
+                                  "start": 0,
+                                  "type": "Literal",
+                                  "value": 1,
+                                },
+                                "loc": SourceLocation {
+                                  "end": Position {
+                                    "column": 41,
+                                    "line": 12,
+                                  },
+                                  "start": Position {
+                                    "column": 12,
+                                    "line": 12,
+                                  },
+                                },
+                                "type": "ReturnStatement",
+                              },
+                            ],
+                            "loc": undefined,
+                            "type": "BlockExpression",
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Object {
+                          "left": Object {
+                            "loc": undefined,
+                            "type": "Literal",
+                            "value": 4,
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 50,
+                              "line": 14,
+                            },
+                            "start": Position {
+                              "column": 19,
+                              "line": 14,
+                            },
+                          },
+                          "operator": "*",
+                          "right": Node {
+                            "end": 1,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 1,
+                                "line": 1,
+                              },
+                              "start": Position {
+                                "column": 0,
+                                "line": 1,
+                              },
+                            },
+                            "raw": "1",
+                            "start": 0,
+                            "type": "Literal",
+                            "value": 1,
+                          },
+                          "type": "BinaryExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Object {
+                        "left": Node {
+                          "end": 1,
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 1,
+                              "line": 1,
+                            },
+                            "start": Position {
+                              "column": 0,
+                              "line": 1,
+                            },
+                          },
+                          "raw": "4",
+                          "start": 0,
+                          "type": "Literal",
+                          "value": 4,
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 54,
+                            "line": 14,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 14,
+                          },
+                        },
+                        "operator": "%",
+                        "right": Object {
+                          "loc": undefined,
+                          "type": "Literal",
+                          "value": 5,
+                        },
+                        "type": "BinaryExpression",
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "body": Array [
+                    Object {
+                      "argument": Node {
+                        "end": 1,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 1,
+                            "line": 1,
+                          },
+                          "start": Position {
+                            "column": 0,
+                            "line": 1,
+                          },
+                        },
+                        "raw": "4",
+                        "start": 0,
+                        "type": "Literal",
+                        "value": 4,
+                      },
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 55,
+                          "line": 14,
+                        },
+                        "start": Position {
+                          "column": 12,
+                          "line": 14,
+                        },
+                      },
+                      "type": "ReturnStatement",
+                    },
+                  ],
+                  "type": "BlockStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "body": Array [
+                Object {
+                  "argument": Node {
+                    "end": 1,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 1,
+                        "line": 1,
+                      },
+                      "start": Position {
+                        "column": 0,
+                        "line": 1,
+                      },
+                    },
+                    "raw": "4",
+                    "start": 0,
+                    "type": "Literal",
+                    "value": 4,
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 55,
+                      "line": 14,
+                    },
+                    "start": Position {
+                      "column": 12,
+                      "line": 14,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "body": Array [
+            Object {
+              "argument": Node {
+                "end": 1,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 1,
+                    "line": 1,
+                  },
+                  "start": Position {
+                    "column": 0,
+                    "line": 1,
+                  },
+                },
+                "raw": "4",
+                "start": 0,
+                "type": "Literal",
+                "value": 4,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 55,
+                  "line": 14,
+                },
+                "start": Position {
+                  "column": 12,
+                  "line": 14,
+                },
+              },
+              "type": "ReturnStatement",
+            },
+          ],
+          "loc": undefined,
+          "type": "BlockExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Node {
+          "end": 1,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 1,
+              "line": 1,
+            },
+            "start": Position {
+              "column": 0,
+              "line": 1,
+            },
+          },
+          "raw": "4",
+          "start": 0,
+          "type": "Literal",
+          "value": 4,
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+]
+`;
+
+exports[`expmod 2`] = `
+"function is_even(n) {
+  return n % 2 === 0;
+}
+function expmod(base, exp, m) {
+  if (exp === 0) {
+    return 1;
+  } else {
+    if (is_even(exp)) {
+      const to_half = expmod(base, exp / 2, m);
+      return to_half * to_half % m;
+    } else {
+      return base * expmod(base, exp - 1, m) % m;
+    }
+  }
+}
+expmod(4, 3, 5);
+
+function expmod(base, exp, m) {
+  if (exp === 0) {
+    return 1;
+  } else {
+    if (is_even(exp)) {
+      const to_half = expmod(base, exp / 2, m);
+      return to_half * to_half % m;
+    } else {
+      return base * expmod(base, exp - 1, m) % m;
+    }
+  }
+}
+expmod(4, 3, 5);
+
+expmod(4, 3, 5);
+
+{
+  if (3 === 0) {
+    return 1;
+  } else {
+    if (is_even(3)) {
+      const to_half = expmod(4, 3 / 2, 5);
+      return to_half * to_half % 5;
+    } else {
+      return 4 * expmod(4, 3 - 1, 5) % 5;
+    }
+  }
+};
+
+{
+  if (false) {
+    return 1;
+  } else {
+    if (is_even(3)) {
+      const to_half = expmod(4, 3 / 2, 5);
+      return to_half * to_half % 5;
+    } else {
+      return 4 * expmod(4, 3 - 1, 5) % 5;
+    }
+  }
+};
+
+{
+  {
+    if (is_even(3)) {
+      const to_half = expmod(4, 3 / 2, 5);
+      return to_half * to_half % 5;
+    } else {
+      return 4 * expmod(4, 3 - 1, 5) % 5;
+    }
+  }
+};
+
+{
+  {
+    if (3 % 2 === 0) {
+      const to_half = expmod(4, 3 / 2, 5);
+      return to_half * to_half % 5;
+    } else {
+      return 4 * expmod(4, 3 - 1, 5) % 5;
+    }
+  }
+};
+
+{
+  {
+    if (1 === 0) {
+      const to_half = expmod(4, 3 / 2, 5);
+      return to_half * to_half % 5;
+    } else {
+      return 4 * expmod(4, 3 - 1, 5) % 5;
+    }
+  }
+};
+
+{
+  {
+    if (false) {
+      const to_half = expmod(4, 3 / 2, 5);
+      return to_half * to_half % 5;
+    } else {
+      return 4 * expmod(4, 3 - 1, 5) % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * expmod(4, 3 - 1, 5) % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * expmod(4, 2, 5) % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        if (2 === 0) {
+          return 1;
+        } else {
+          if (is_even(2)) {
+            const to_half = expmod(4, 2 / 2, 5);
+            return to_half * to_half % 5;
+          } else {
+            return 4 * expmod(4, 2 - 1, 5) % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        if (false) {
+          return 1;
+        } else {
+          if (is_even(2)) {
+            const to_half = expmod(4, 2 / 2, 5);
+            return to_half * to_half % 5;
+          } else {
+            return 4 * expmod(4, 2 - 1, 5) % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          if (is_even(2)) {
+            const to_half = expmod(4, 2 / 2, 5);
+            return to_half * to_half % 5;
+          } else {
+            return 4 * expmod(4, 2 - 1, 5) % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          if (2 % 2 === 0) {
+            const to_half = expmod(4, 2 / 2, 5);
+            return to_half * to_half % 5;
+          } else {
+            return 4 * expmod(4, 2 - 1, 5) % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          if (0 === 0) {
+            const to_half = expmod(4, 2 / 2, 5);
+            return to_half * to_half % 5;
+          } else {
+            return 4 * expmod(4, 2 - 1, 5) % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          if (true) {
+            const to_half = expmod(4, 2 / 2, 5);
+            return to_half * to_half % 5;
+          } else {
+            return 4 * expmod(4, 2 - 1, 5) % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = expmod(4, 2 / 2, 5);
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = expmod(4, 1, 5);
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = {
+              if (1 === 0) {
+                return 1;
+              } else {
+                if (is_even(1)) {
+                  const to_half = expmod(4, 1 / 2, 5);
+                  return to_half * to_half % 5;
+                } else {
+                  return 4 * expmod(4, 1 - 1, 5) % 5;
+                }
+              }
+            };
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = {
+              if (false) {
+                return 1;
+              } else {
+                if (is_even(1)) {
+                  const to_half = expmod(4, 1 / 2, 5);
+                  return to_half * to_half % 5;
+                } else {
+                  return 4 * expmod(4, 1 - 1, 5) % 5;
+                }
+              }
+            };
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = {
+              {
+                if (is_even(1)) {
+                  const to_half = expmod(4, 1 / 2, 5);
+                  return to_half * to_half % 5;
+                } else {
+                  return 4 * expmod(4, 1 - 1, 5) % 5;
+                }
+              }
+            };
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = {
+              {
+                if (1 % 2 === 0) {
+                  const to_half = expmod(4, 1 / 2, 5);
+                  return to_half * to_half % 5;
+                } else {
+                  return 4 * expmod(4, 1 - 1, 5) % 5;
+                }
+              }
+            };
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = {
+              {
+                if (1 === 0) {
+                  const to_half = expmod(4, 1 / 2, 5);
+                  return to_half * to_half % 5;
+                } else {
+                  return 4 * expmod(4, 1 - 1, 5) % 5;
+                }
+              }
+            };
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = {
+              {
+                if (false) {
+                  const to_half = expmod(4, 1 / 2, 5);
+                  return to_half * to_half % 5;
+                } else {
+                  return 4 * expmod(4, 1 - 1, 5) % 5;
+                }
+              }
+            };
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = {
+              {
+                {
+                  return 4 * expmod(4, 1 - 1, 5) % 5;
+                }
+              }
+            };
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = {
+              {
+                {
+                  return 4 * expmod(4, 0, 5) % 5;
+                }
+              }
+            };
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = {
+              {
+                {
+                  return 4 * {
+                    if (0 === 0) {
+                      return 1;
+                    } else {
+                      if (is_even(0)) {
+                        const to_half = expmod(4, 0 / 2, 5);
+                        return to_half * to_half % 5;
+                      } else {
+                        return 4 * expmod(4, 0 - 1, 5) % 5;
+                      }
+                    }
+                  } % 5;
+                }
+              }
+            };
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = {
+              {
+                {
+                  return 4 * {
+                    if (true) {
+                      return 1;
+                    } else {
+                      if (is_even(0)) {
+                        const to_half = expmod(4, 0 / 2, 5);
+                        return to_half * to_half % 5;
+                      } else {
+                        return 4 * expmod(4, 0 - 1, 5) % 5;
+                      }
+                    }
+                  } % 5;
+                }
+              }
+            };
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = {
+              {
+                {
+                  return 4 * {
+                    {
+                      return 1;
+                    }
+                  } % 5;
+                }
+              }
+            };
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = {
+              {
+                {
+                  return 4 * {
+                    return 1;
+                  } % 5;
+                }
+              }
+            };
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = {
+              {
+                {
+                  return 4 * 1 % 5;
+                }
+              }
+            };
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = {
+              {
+                {
+                  return 4 % 5;
+                }
+              }
+            };
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = {
+              {
+                {
+                  return 4;
+                }
+              }
+            };
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = {
+              {
+                return 4;
+              }
+            };
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = {
+              return 4;
+            };
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            const to_half = 4;
+            return to_half * to_half % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            return 4 * 4 % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            return 16 % 5;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          {
+            return 1;
+          }
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        {
+          return 1;
+        }
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * {
+        return 1;
+      } % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 * 1 % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4 % 5;
+    }
+  }
+};
+
+{
+  {
+    {
+      return 4;
+    }
+  }
+};
+
+{
+  {
+    return 4;
+  }
+};
+
+{
+  return 4;
+};
+
+4;
+"
+`;
+
+exports[`is_function checks for builtin 1`] = `
+Array [
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Node {
+              "end": 28,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 27,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 16,
+                  "line": 2,
+                },
+              },
+              "name": "is_function",
+              "start": 17,
+              "type": "Identifier",
+            },
+          ],
+          "callee": Node {
+            "end": 16,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 15,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 4,
+                "line": 2,
+              },
+            },
+            "name": "is_function",
+            "start": 5,
+            "type": "Identifier",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 28,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 2,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "loc": undefined,
+          "type": "Literal",
+          "value": true,
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+]
+`;
+
+exports[`math_pow 1`] = `
+Array [
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "arguments": Array [
+              Node {
+                "end": 13,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 12,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 11,
+                    "line": 2,
+                  },
+                },
+                "raw": "3",
+                "start": 12,
+                "type": "Literal",
+                "value": 3,
+              },
+              Node {
+                "end": 17,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 16,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 13,
+                    "line": 2,
+                  },
+                },
+                "raw": "100",
+                "start": 14,
+                "type": "Literal",
+                "value": 100,
+              },
+            ],
+            "callee": Node {
+              "end": 11,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 10,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 2,
+                  "line": 2,
+                },
+              },
+              "name": "math_pow",
+              "start": 3,
+              "type": "Identifier",
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 17,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 2,
+                "line": 2,
+              },
+            },
+            "type": "CallExpression",
+          },
+          "loc": undefined,
+          "operator": "||",
+          "right": Node {
+            "end": 25,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 24,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 21,
+                "line": 2,
+              },
+            },
+            "name": "NaN",
+            "start": 22,
+            "type": "Identifier",
+          },
+          "type": "LogicalExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 21,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 21,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "raw": "5.153775207320114e+47",
+            "start": 0,
+            "type": "Literal",
+            "value": 5.153775207320114e+47,
+          },
+          "loc": undefined,
+          "operator": "||",
+          "right": Node {
+            "end": 25,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 24,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 21,
+                "line": 2,
+              },
+            },
+            "name": "NaN",
+            "start": 22,
+            "type": "Identifier",
+          },
+          "type": "LogicalExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+]
+`;
+
+exports[`negative numbers as arguments 1`] = `
+Array [
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "arguments": Array [
+            Object {
+              "argument": Node {
+                "end": 14,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 13,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 12,
+                    "line": 2,
+                  },
+                },
+                "raw": "1",
+                "start": 13,
+                "type": "Literal",
+                "value": 1,
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 13,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 11,
+                  "line": 2,
+                },
+              },
+              "operator": "-",
+              "prefix": true,
+              "type": "UnaryExpression",
+            },
+          ],
+          "callee": Node {
+            "end": 11,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 10,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 2,
+                "line": 2,
+              },
+            },
+            "name": "math_sin",
+            "start": 3,
+            "type": "Identifier",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 14,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 2,
+            },
+          },
+          "type": "CallExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Node {
+          "argument": Node {
+            "end": 19,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 19,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 1,
+                "line": 1,
+              },
+            },
+            "raw": "0.8414709848078965",
+            "start": 1,
+            "type": "Literal",
+            "value": 0.8414709848078965,
+          },
+          "end": 19,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 19,
+              "line": 1,
+            },
+            "start": Position {
+              "column": 0,
+              "line": 1,
+            },
+          },
+          "operator": "-",
+          "prefix": true,
+          "start": 0,
+          "type": "UnaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+]
+`;
+
+exports[`plus undefined 1`] = `
+Array [
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "arguments": Array [
+              Node {
+                "end": 13,
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 12,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 11,
+                    "line": 2,
+                  },
+                },
+                "raw": "1",
+                "start": 12,
+                "type": "Literal",
+                "value": 1,
+              },
+            ],
+            "callee": Node {
+              "end": 11,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 10,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 2,
+                  "line": 2,
+                },
+              },
+              "name": "math_sin",
+              "start": 3,
+              "type": "Identifier",
+            },
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 13,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 2,
+                "line": 2,
+              },
+            },
+            "type": "CallExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 25,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 2,
+            },
+          },
+          "operator": "+",
+          "right": Object {
+            "name": "undefined",
+            "type": "Identifier",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 18,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 18,
+                "line": 1,
+              },
+              "start": Position {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "raw": "0.8414709848078965",
+            "start": 0,
+            "type": "Literal",
+            "value": 0.8414709848078965,
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 25,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 2,
+              "line": 2,
+            },
+          },
+          "operator": "+",
+          "right": Object {
+            "name": "undefined",
+            "type": "Identifier",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+]
+`;
+
+exports[`subsets 1`] = `
+"function subsets(s) {
+  if (is_null(s)) {
+    return list(null);
+  } else {
+    const rest = subsets(tail(s));
+    return append(rest, map(=>, rest));
+  }
+}
+subsets(list(1, 2, 3));
+
+subsets(list(1, 2, 3));
+
+subsets([1, [2, [3, null]]]);
+
+{
+  if (is_null([1, [2, [3, null]]])) {
+    return list(null);
+  } else {
+    const rest = subsets(tail([1, [2, [3, null]]]));
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  if (false) {
+    return list(null);
+  } else {
+    const rest = subsets(tail([1, [2, [3, null]]]));
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = subsets(tail([1, [2, [3, null]]]));
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = subsets([2, [3, null]]);
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      if (is_null([2, [3, null]])) {
+        return list(null);
+      } else {
+        const rest = subsets(tail([2, [3, null]]));
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      if (false) {
+        return list(null);
+      } else {
+        const rest = subsets(tail([2, [3, null]]));
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = subsets(tail([2, [3, null]]));
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = subsets([3, null]);
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          if (is_null([3, null])) {
+            return list(null);
+          } else {
+            const rest = subsets(tail([3, null]));
+            return append(rest, map(=>, rest));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          if (false) {
+            return list(null);
+          } else {
+            const rest = subsets(tail([3, null]));
+            return append(rest, map(=>, rest));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            const rest = subsets(tail([3, null]));
+            return append(rest, map(=>, rest));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            const rest = subsets(null);
+            return append(rest, map(=>, rest));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            const rest = {
+              if (is_null(null)) {
+                return list(null);
+              } else {
+                const rest = subsets(tail(null));
+                return append(rest, map(=>, rest));
+              }
+            };
+            return append(rest, map(=>, rest));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            const rest = {
+              if (true) {
+                return list(null);
+              } else {
+                const rest = subsets(tail(null));
+                return append(rest, map(=>, rest));
+              }
+            };
+            return append(rest, map(=>, rest));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            const rest = {
+              {
+                return list(null);
+              }
+            };
+            return append(rest, map(=>, rest));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            const rest = {
+              {
+                return [null, null];
+              }
+            };
+            return append(rest, map(=>, rest));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            const rest = {
+              return [null, null];
+            };
+            return append(rest, map(=>, rest));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            const rest = [null, null];
+            return append(rest, map(=>, rest));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return append([null, null], map(=>, [null, null]));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return append([null, null], is_null([null, null]) ? null : pair(=>(head([null, null])), map(=>, tail([null, null]))));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return append([null, null], false ? null : pair(=>(head([null, null])), map(=>, tail([null, null]))));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return append([null, null], pair(=>(head([null, null])), map(=>, tail([null, null]))));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return append([null, null], pair(=>(null), map(=>, tail([null, null]))));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return append([null, null], pair(pair(head([3, null]), null), map(=>, tail([null, null]))));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return append([null, null], pair(pair(3, null), map(=>, tail([null, null]))));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return append([null, null], pair([3, null], map(=>, tail([null, null]))));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return append([null, null], pair([3, null], map(=>, null)));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return append([null, null], pair([3, null], is_null(null) ? null : pair(=>(head(null)), map(=>, tail(null)))));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return append([null, null], pair([3, null], true ? null : pair(=>(head(null)), map(=>, tail(null)))));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return append([null, null], pair([3, null], null));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return append([null, null], [[3, null], null]);
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return is_null([null, null]) ? [[3, null], null] : pair(head([null, null]), append(tail([null, null]), [[3, null], null]));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return false ? [[3, null], null] : pair(head([null, null]), append(tail([null, null]), [[3, null], null]));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return pair(head([null, null]), append(tail([null, null]), [[3, null], null]));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return pair(null, append(tail([null, null]), [[3, null], null]));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return pair(null, append(null, [[3, null], null]));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return pair(null, is_null(null) ? [[3, null], null] : pair(head(null), append(tail(null), [[3, null], null])));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return pair(null, true ? [[3, null], null] : pair(head(null), append(tail(null), [[3, null], null])));
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return pair(null, [[3, null], null]);
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          {
+            return [null, [[3, null], null]];
+          }
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = {
+          return [null, [[3, null], null]];
+        };
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        const rest = [null, [[3, null], null]];
+        return append(rest, map(=>, rest));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], map(=>, [null, [[3, null], null]]));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], is_null([null, [[3, null], null]]) ? null : pair(=>(head([null, [[3, null], null]])), map(=>, tail([null, [[3, null], null]]))));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], false ? null : pair(=>(head([null, [[3, null], null]])), map(=>, tail([null, [[3, null], null]]))));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], pair(=>(head([null, [[3, null], null]])), map(=>, tail([null, [[3, null], null]]))));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], pair(=>(null), map(=>, tail([null, [[3, null], null]]))));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], pair(pair(head([2, [3, null]]), null), map(=>, tail([null, [[3, null], null]]))));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], pair(pair(2, null), map(=>, tail([null, [[3, null], null]]))));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], pair([2, null], map(=>, tail([null, [[3, null], null]]))));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], pair([2, null], map(=>, [[3, null], null])));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], pair([2, null], is_null([[3, null], null]) ? null : pair(=>(head([[3, null], null])), map(=>, tail([[3, null], null])))));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], pair([2, null], false ? null : pair(=>(head([[3, null], null])), map(=>, tail([[3, null], null])))));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], pair([2, null], pair(=>(head([[3, null], null])), map(=>, tail([[3, null], null])))));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], pair([2, null], pair(=>([3, null]), map(=>, tail([[3, null], null])))));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], pair([2, null], pair(pair(head([2, [3, null]]), [3, null]), map(=>, tail([[3, null], null])))));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], pair([2, null], pair(pair(2, [3, null]), map(=>, tail([[3, null], null])))));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], pair([2, null], pair([2, [3, null]], map(=>, tail([[3, null], null])))));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], pair([2, null], pair([2, [3, null]], map(=>, null))));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], pair([2, null], pair([2, [3, null]], is_null(null) ? null : pair(=>(head(null)), map(=>, tail(null))))));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], pair([2, null], pair([2, [3, null]], true ? null : pair(=>(head(null)), map(=>, tail(null))))));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], pair([2, null], pair([2, [3, null]], null)));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], pair([2, null], [[2, [3, null]], null]));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return append([null, [[3, null], null]], [[2, null], [[2, [3, null]], null]]);
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return is_null([null, [[3, null], null]]) ? [[2, null], [[2, [3, null]], null]] : pair(head([null, [[3, null], null]]), append(tail([null, [[3, null], null]]), [[2, null], [[2, [3, null]], null]]));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return false ? [[2, null], [[2, [3, null]], null]] : pair(head([null, [[3, null], null]]), append(tail([null, [[3, null], null]]), [[2, null], [[2, [3, null]], null]]));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return pair(head([null, [[3, null], null]]), append(tail([null, [[3, null], null]]), [[2, null], [[2, [3, null]], null]]));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return pair(null, append(tail([null, [[3, null], null]]), [[2, null], [[2, [3, null]], null]]));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return pair(null, append([[3, null], null], [[2, null], [[2, [3, null]], null]]));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return pair(null, is_null([[3, null], null]) ? [[2, null], [[2, [3, null]], null]] : pair(head([[3, null], null]), append(tail([[3, null], null]), [[2, null], [[2, [3, null]], null]])));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return pair(null, false ? [[2, null], [[2, [3, null]], null]] : pair(head([[3, null], null]), append(tail([[3, null], null]), [[2, null], [[2, [3, null]], null]])));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return pair(null, pair(head([[3, null], null]), append(tail([[3, null], null]), [[2, null], [[2, [3, null]], null]])));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return pair(null, pair([3, null], append(tail([[3, null], null]), [[2, null], [[2, [3, null]], null]])));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return pair(null, pair([3, null], append(null, [[2, null], [[2, [3, null]], null]])));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return pair(null, pair([3, null], is_null(null) ? [[2, null], [[2, [3, null]], null]] : pair(head(null), append(tail(null), [[2, null], [[2, [3, null]], null]]))));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return pair(null, pair([3, null], true ? [[2, null], [[2, [3, null]], null]] : pair(head(null), append(tail(null), [[2, null], [[2, [3, null]], null]]))));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return pair(null, pair([3, null], [[2, null], [[2, [3, null]], null]]));
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return pair(null, [[3, null], [[2, null], [[2, [3, null]], null]]]);
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      {
+        return [null, [[3, null], [[2, null], [[2, [3, null]], null]]]];
+      }
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = {
+      return [null, [[3, null], [[2, null], [[2, [3, null]], null]]]];
+    };
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    const rest = [null, [[3, null], [[2, null], [[2, [3, null]], null]]]];
+    return append(rest, map(=>, rest));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], map(=>, [null, [[3, null], [[2, null], [[2, [3, null]], null]]]]));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], is_null([null, [[3, null], [[2, null], [[2, [3, null]], null]]]]) ? null : pair(=>(head([null, [[3, null], [[2, null], [[2, [3, null]], null]]]])), map(=>, tail([null, [[3, null], [[2, null], [[2, [3, null]], null]]]]))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], false ? null : pair(=>(head([null, [[3, null], [[2, null], [[2, [3, null]], null]]]])), map(=>, tail([null, [[3, null], [[2, null], [[2, [3, null]], null]]]]))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair(=>(head([null, [[3, null], [[2, null], [[2, [3, null]], null]]]])), map(=>, tail([null, [[3, null], [[2, null], [[2, [3, null]], null]]]]))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair(=>(null), map(=>, tail([null, [[3, null], [[2, null], [[2, [3, null]], null]]]]))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair(pair(head([1, [2, [3, null]]]), null), map(=>, tail([null, [[3, null], [[2, null], [[2, [3, null]], null]]]]))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair(pair(1, null), map(=>, tail([null, [[3, null], [[2, null], [[2, [3, null]], null]]]]))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], map(=>, tail([null, [[3, null], [[2, null], [[2, [3, null]], null]]]]))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], map(=>, [[3, null], [[2, null], [[2, [3, null]], null]]])));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], is_null([[3, null], [[2, null], [[2, [3, null]], null]]]) ? null : pair(=>(head([[3, null], [[2, null], [[2, [3, null]], null]]])), map(=>, tail([[3, null], [[2, null], [[2, [3, null]], null]]])))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], false ? null : pair(=>(head([[3, null], [[2, null], [[2, [3, null]], null]]])), map(=>, tail([[3, null], [[2, null], [[2, [3, null]], null]]])))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair(=>(head([[3, null], [[2, null], [[2, [3, null]], null]]])), map(=>, tail([[3, null], [[2, null], [[2, [3, null]], null]]])))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair(=>([3, null]), map(=>, tail([[3, null], [[2, null], [[2, [3, null]], null]]])))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair(pair(head([1, [2, [3, null]]]), [3, null]), map(=>, tail([[3, null], [[2, null], [[2, [3, null]], null]]])))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair(pair(1, [3, null]), map(=>, tail([[3, null], [[2, null], [[2, [3, null]], null]]])))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], map(=>, tail([[3, null], [[2, null], [[2, [3, null]], null]]])))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], map(=>, [[2, null], [[2, [3, null]], null]]))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], is_null([[2, null], [[2, [3, null]], null]]) ? null : pair(=>(head([[2, null], [[2, [3, null]], null]])), map(=>, tail([[2, null], [[2, [3, null]], null]]))))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], false ? null : pair(=>(head([[2, null], [[2, [3, null]], null]])), map(=>, tail([[2, null], [[2, [3, null]], null]]))))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], pair(=>(head([[2, null], [[2, [3, null]], null]])), map(=>, tail([[2, null], [[2, [3, null]], null]]))))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], pair(=>([2, null]), map(=>, tail([[2, null], [[2, [3, null]], null]]))))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], pair(pair(head([1, [2, [3, null]]]), [2, null]), map(=>, tail([[2, null], [[2, [3, null]], null]]))))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], pair(pair(1, [2, null]), map(=>, tail([[2, null], [[2, [3, null]], null]]))))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], pair([1, [2, null]], map(=>, tail([[2, null], [[2, [3, null]], null]]))))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], pair([1, [2, null]], map(=>, [[2, [3, null]], null])))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], pair([1, [2, null]], is_null([[2, [3, null]], null]) ? null : pair(=>(head([[2, [3, null]], null])), map(=>, tail([[2, [3, null]], null])))))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], pair([1, [2, null]], false ? null : pair(=>(head([[2, [3, null]], null])), map(=>, tail([[2, [3, null]], null])))))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], pair([1, [2, null]], pair(=>(head([[2, [3, null]], null])), map(=>, tail([[2, [3, null]], null])))))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], pair([1, [2, null]], pair(=>([2, [3, null]]), map(=>, tail([[2, [3, null]], null])))))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], pair([1, [2, null]], pair(pair(head([1, [2, [3, null]]]), [2, [3, null]]), map(=>, tail([[2, [3, null]], null])))))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], pair([1, [2, null]], pair(pair(1, [2, [3, null]]), map(=>, tail([[2, [3, null]], null])))))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], pair([1, [2, null]], pair([1, [2, [3, null]]], map(=>, tail([[2, [3, null]], null])))))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], pair([1, [2, null]], pair([1, [2, [3, null]]], map(=>, null))))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], pair([1, [2, null]], pair([1, [2, [3, null]]], is_null(null) ? null : pair(=>(head(null)), map(=>, tail(null))))))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], pair([1, [2, null]], pair([1, [2, [3, null]]], true ? null : pair(=>(head(null)), map(=>, tail(null))))))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], pair([1, [2, null]], pair([1, [2, [3, null]]], null)))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], pair([1, [2, null]], [[1, [2, [3, null]]], null]))));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], pair([1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]])));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], pair([1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]));
+  }
+};
+
+{
+  {
+    return append([null, [[3, null], [[2, null], [[2, [3, null]], null]]]], [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]);
+  }
+};
+
+{
+  {
+    return is_null([null, [[3, null], [[2, null], [[2, [3, null]], null]]]]) ? [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]] : pair(head([null, [[3, null], [[2, null], [[2, [3, null]], null]]]]), append(tail([null, [[3, null], [[2, null], [[2, [3, null]], null]]]]), [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]));
+  }
+};
+
+{
+  {
+    return false ? [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]] : pair(head([null, [[3, null], [[2, null], [[2, [3, null]], null]]]]), append(tail([null, [[3, null], [[2, null], [[2, [3, null]], null]]]]), [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]));
+  }
+};
+
+{
+  {
+    return pair(head([null, [[3, null], [[2, null], [[2, [3, null]], null]]]]), append(tail([null, [[3, null], [[2, null], [[2, [3, null]], null]]]]), [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]));
+  }
+};
+
+{
+  {
+    return pair(null, append(tail([null, [[3, null], [[2, null], [[2, [3, null]], null]]]]), [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]));
+  }
+};
+
+{
+  {
+    return pair(null, append([[3, null], [[2, null], [[2, [3, null]], null]]], [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]));
+  }
+};
+
+{
+  {
+    return pair(null, is_null([[3, null], [[2, null], [[2, [3, null]], null]]]) ? [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]] : pair(head([[3, null], [[2, null], [[2, [3, null]], null]]]), append(tail([[3, null], [[2, null], [[2, [3, null]], null]]]), [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]])));
+  }
+};
+
+{
+  {
+    return pair(null, false ? [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]] : pair(head([[3, null], [[2, null], [[2, [3, null]], null]]]), append(tail([[3, null], [[2, null], [[2, [3, null]], null]]]), [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]])));
+  }
+};
+
+{
+  {
+    return pair(null, pair(head([[3, null], [[2, null], [[2, [3, null]], null]]]), append(tail([[3, null], [[2, null], [[2, [3, null]], null]]]), [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]])));
+  }
+};
+
+{
+  {
+    return pair(null, pair([3, null], append(tail([[3, null], [[2, null], [[2, [3, null]], null]]]), [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]])));
+  }
+};
+
+{
+  {
+    return pair(null, pair([3, null], append([[2, null], [[2, [3, null]], null]], [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]])));
+  }
+};
+
+{
+  {
+    return pair(null, pair([3, null], is_null([[2, null], [[2, [3, null]], null]]) ? [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]] : pair(head([[2, null], [[2, [3, null]], null]]), append(tail([[2, null], [[2, [3, null]], null]]), [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]))));
+  }
+};
+
+{
+  {
+    return pair(null, pair([3, null], false ? [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]] : pair(head([[2, null], [[2, [3, null]], null]]), append(tail([[2, null], [[2, [3, null]], null]]), [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]))));
+  }
+};
+
+{
+  {
+    return pair(null, pair([3, null], pair(head([[2, null], [[2, [3, null]], null]]), append(tail([[2, null], [[2, [3, null]], null]]), [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]))));
+  }
+};
+
+{
+  {
+    return pair(null, pair([3, null], pair([2, null], append(tail([[2, null], [[2, [3, null]], null]]), [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]))));
+  }
+};
+
+{
+  {
+    return pair(null, pair([3, null], pair([2, null], append([[2, [3, null]], null], [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]))));
+  }
+};
+
+{
+  {
+    return pair(null, pair([3, null], pair([2, null], is_null([[2, [3, null]], null]) ? [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]] : pair(head([[2, [3, null]], null]), append(tail([[2, [3, null]], null]), [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]])))));
+  }
+};
+
+{
+  {
+    return pair(null, pair([3, null], pair([2, null], false ? [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]] : pair(head([[2, [3, null]], null]), append(tail([[2, [3, null]], null]), [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]])))));
+  }
+};
+
+{
+  {
+    return pair(null, pair([3, null], pair([2, null], pair(head([[2, [3, null]], null]), append(tail([[2, [3, null]], null]), [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]])))));
+  }
+};
+
+{
+  {
+    return pair(null, pair([3, null], pair([2, null], pair([2, [3, null]], append(tail([[2, [3, null]], null]), [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]])))));
+  }
+};
+
+{
+  {
+    return pair(null, pair([3, null], pair([2, null], pair([2, [3, null]], append(null, [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]])))));
+  }
+};
+
+{
+  {
+    return pair(null, pair([3, null], pair([2, null], pair([2, [3, null]], is_null(null) ? [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]] : pair(head(null), append(tail(null), [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]))))));
+  }
+};
+
+{
+  {
+    return pair(null, pair([3, null], pair([2, null], pair([2, [3, null]], true ? [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]] : pair(head(null), append(tail(null), [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]))))));
+  }
+};
+
+{
+  {
+    return pair(null, pair([3, null], pair([2, null], pair([2, [3, null]], [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]))));
+  }
+};
+
+{
+  {
+    return pair(null, pair([3, null], pair([2, null], [[2, [3, null]], [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]])));
+  }
+};
+
+{
+  {
+    return pair(null, pair([3, null], [[2, null], [[2, [3, null]], [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]]]));
+  }
+};
+
+{
+  {
+    return pair(null, [[3, null], [[2, null], [[2, [3, null]], [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]]]]);
+  }
+};
+
+{
+  {
+    return [null, [[3, null], [[2, null], [[2, [3, null]], [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]]]]];
+  }
+};
+
+{
+  return [null, [[3, null], [[2, null], [[2, [3, null]], [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]]]]];
+};
+
+[null, [[3, null], [[2, null], [[2, [3, null]], [[1, null], [[1, [3, null]], [[1, [2, null]], [[1, [2, [3, null]]], null]]]]]]]];
+"
+`;
+
+exports[`triple equals work on function 1`] = `
+Array [
+  Object {
+    "body": Array [
+      Object {
+        "body": Object {
+          "body": Array [
+            Object {
+              "argument": Object {
+                "arguments": Array [],
+                "callee": Node {
+                  "end": 28,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 27,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 26,
+                      "line": 2,
+                    },
+                  },
+                  "name": "g",
+                  "start": 27,
+                  "type": "Identifier",
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 29,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 26,
+                    "line": 2,
+                  },
+                },
+                "type": "CallExpression",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 30,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 19,
+                  "line": 2,
+                },
+              },
+              "type": "ReturnStatement",
+            },
+          ],
+          "type": "BlockStatement",
+        },
+        "id": Node {
+          "end": 15,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 14,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 13,
+              "line": 2,
+            },
+          },
+          "name": "f",
+          "start": 14,
+          "type": "Identifier",
+        },
+        "loc": undefined,
+        "params": Array [],
+        "type": "FunctionDeclaration",
+      },
+      Object {
+        "body": Object {
+          "body": Array [
+            Object {
+              "argument": Object {
+                "arguments": Array [],
+                "callee": Node {
+                  "end": 57,
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 56,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 55,
+                      "line": 2,
+                    },
+                  },
+                  "name": "f",
+                  "start": 56,
+                  "type": "Identifier",
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 58,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 55,
+                    "line": 2,
+                  },
+                },
+                "type": "CallExpression",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 59,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 48,
+                  "line": 2,
+                },
+              },
+              "type": "ReturnStatement",
+            },
+          ],
+          "type": "BlockStatement",
+        },
+        "id": Node {
+          "end": 44,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 43,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 42,
+              "line": 2,
+            },
+          },
+          "name": "g",
+          "start": 43,
+          "type": "Identifier",
+        },
+        "loc": undefined,
+        "params": Array [],
+        "type": "FunctionDeclaration",
+      },
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 68,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 5,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 4,
+                "line": 3,
+              },
+            },
+            "name": "f",
+            "start": 67,
+            "type": "Identifier",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 11,
+              "line": 3,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 3,
+            },
+          },
+          "operator": "===",
+          "right": Node {
+            "end": 74,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 11,
+                "line": 3,
+              },
+              "start": Position {
+                "column": 10,
+                "line": 3,
+              },
+            },
+            "name": "f",
+            "start": 73,
+            "type": "Identifier",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 81,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 5,
+                "line": 4,
+              },
+              "start": Position {
+                "column": 4,
+                "line": 4,
+              },
+            },
+            "name": "g",
+            "start": 80,
+            "type": "Identifier",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 11,
+              "line": 4,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 4,
+            },
+          },
+          "operator": "===",
+          "right": Node {
+            "end": 87,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 11,
+                "line": 4,
+              },
+              "start": Position {
+                "column": 10,
+                "line": 4,
+              },
+            },
+            "name": "g",
+            "start": 86,
+            "type": "Identifier",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 94,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 5,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 4,
+                "line": 5,
+              },
+            },
+            "name": "f",
+            "start": 93,
+            "type": "Identifier",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 11,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 5,
+            },
+          },
+          "operator": "===",
+          "right": Node {
+            "end": 100,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 11,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 10,
+                "line": 5,
+              },
+            },
+            "name": "g",
+            "start": 99,
+            "type": "Identifier",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "body": Object {
+          "body": Array [
+            Object {
+              "argument": Object {
+                "arguments": Array [],
+                "callee": Object {
+                  "body": Object {
+                    "body": Array [
+                      Object {
+                        "argument": Object {
+                          "arguments": Array [],
+                          "callee": Node {
+                            "end": 28,
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 27,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 26,
+                                "line": 2,
+                              },
+                            },
+                            "name": "g",
+                            "start": 27,
+                            "type": "Identifier",
+                          },
+                          "loc": SourceLocation {
+                            "end": Position {
+                              "column": 29,
+                              "line": 2,
+                            },
+                            "start": Position {
+                              "column": 26,
+                              "line": 2,
+                            },
+                          },
+                          "type": "CallExpression",
+                        },
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 30,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 19,
+                            "line": 2,
+                          },
+                        },
+                        "type": "ReturnStatement",
+                      },
+                    ],
+                    "type": "BlockStatement",
+                  },
+                  "id": Node {
+                    "end": 15,
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 14,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 13,
+                        "line": 2,
+                      },
+                    },
+                    "name": "f",
+                    "start": 14,
+                    "type": "Identifier",
+                  },
+                  "loc": undefined,
+                  "params": Array [],
+                  "type": "FunctionExpression",
+                },
+                "loc": SourceLocation {
+                  "end": Position {
+                    "column": 58,
+                    "line": 2,
+                  },
+                  "start": Position {
+                    "column": 55,
+                    "line": 2,
+                  },
+                },
+                "type": "CallExpression",
+              },
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 59,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 48,
+                  "line": 2,
+                },
+              },
+              "type": "ReturnStatement",
+            },
+          ],
+          "type": "BlockStatement",
+        },
+        "id": Node {
+          "end": 44,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 43,
+              "line": 2,
+            },
+            "start": Position {
+              "column": 42,
+              "line": 2,
+            },
+          },
+          "name": "g",
+          "start": 43,
+          "type": "Identifier",
+        },
+        "loc": undefined,
+        "params": Array [],
+        "type": "FunctionDeclaration",
+      },
+      Object {
+        "expression": Object {
+          "left": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Node {
+                      "end": 28,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 27,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 26,
+                          "line": 2,
+                        },
+                      },
+                      "name": "g",
+                      "start": 27,
+                      "type": "Identifier",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 29,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 26,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 30,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 19,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 15,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 14,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 13,
+                  "line": 2,
+                },
+              },
+              "name": "f",
+              "start": 14,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 11,
+              "line": 3,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 3,
+            },
+          },
+          "operator": "===",
+          "right": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Node {
+                      "end": 28,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 27,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 26,
+                          "line": 2,
+                        },
+                      },
+                      "name": "g",
+                      "start": 27,
+                      "type": "Identifier",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 29,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 26,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 30,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 19,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 15,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 14,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 13,
+                  "line": 2,
+                },
+              },
+              "name": "f",
+              "start": 14,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+      Object {
+        "expression": Object {
+          "left": Node {
+            "end": 81,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 5,
+                "line": 4,
+              },
+              "start": Position {
+                "column": 4,
+                "line": 4,
+              },
+            },
+            "name": "g",
+            "start": 80,
+            "type": "Identifier",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 11,
+              "line": 4,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 4,
+            },
+          },
+          "operator": "===",
+          "right": Node {
+            "end": 87,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 11,
+                "line": 4,
+              },
+              "start": Position {
+                "column": 10,
+                "line": 4,
+              },
+            },
+            "name": "g",
+            "start": 86,
+            "type": "Identifier",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+      Object {
+        "expression": Object {
+          "left": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Node {
+                      "end": 28,
+                      "loc": SourceLocation {
+                        "end": Position {
+                          "column": 27,
+                          "line": 2,
+                        },
+                        "start": Position {
+                          "column": 26,
+                          "line": 2,
+                        },
+                      },
+                      "name": "g",
+                      "start": 27,
+                      "type": "Identifier",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 29,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 26,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 30,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 19,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 15,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 14,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 13,
+                  "line": 2,
+                },
+              },
+              "name": "f",
+              "start": 14,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 11,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 5,
+            },
+          },
+          "operator": "===",
+          "right": Node {
+            "end": 100,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 11,
+                "line": 5,
+              },
+              "start": Position {
+                "column": 10,
+                "line": 5,
+              },
+            },
+            "name": "g",
+            "start": 99,
+            "type": "Identifier",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "arguments": Array [],
+                              "callee": Object {
+                                "body": Object {
+                                  "body": Array [
+                                    Object {
+                                      "argument": Object {
+                                        "arguments": Array [],
+                                        "callee": [Circular],
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 29,
+                                            "line": 2,
+                                          },
+                                          "start": Position {
+                                            "column": 26,
+                                            "line": 2,
+                                          },
+                                        },
+                                        "type": "CallExpression",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 30,
+                                          "line": 2,
+                                        },
+                                        "start": Position {
+                                          "column": 19,
+                                          "line": 2,
+                                        },
+                                      },
+                                      "type": "ReturnStatement",
+                                    },
+                                  ],
+                                  "type": "BlockStatement",
+                                },
+                                "id": Node {
+                                  "end": 15,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 14,
+                                      "line": 2,
+                                    },
+                                    "start": Position {
+                                      "column": 13,
+                                      "line": 2,
+                                    },
+                                  },
+                                  "name": "f",
+                                  "start": 14,
+                                  "type": "Identifier",
+                                },
+                                "loc": undefined,
+                                "params": Array [],
+                                "type": "FunctionExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 58,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 55,
+                                  "line": 2,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 59,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 48,
+                                "line": 2,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 44,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 43,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 42,
+                            "line": 2,
+                          },
+                        },
+                        "name": "g",
+                        "start": 43,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 29,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 26,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 30,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 19,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 15,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 14,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 13,
+                  "line": 2,
+                },
+              },
+              "name": "f",
+              "start": 14,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 11,
+              "line": 3,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 3,
+            },
+          },
+          "operator": "===",
+          "right": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "arguments": Array [],
+                              "callee": Object {
+                                "body": Object {
+                                  "body": Array [
+                                    Object {
+                                      "argument": Object {
+                                        "arguments": Array [],
+                                        "callee": [Circular],
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 29,
+                                            "line": 2,
+                                          },
+                                          "start": Position {
+                                            "column": 26,
+                                            "line": 2,
+                                          },
+                                        },
+                                        "type": "CallExpression",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 30,
+                                          "line": 2,
+                                        },
+                                        "start": Position {
+                                          "column": 19,
+                                          "line": 2,
+                                        },
+                                      },
+                                      "type": "ReturnStatement",
+                                    },
+                                  ],
+                                  "type": "BlockStatement",
+                                },
+                                "id": Node {
+                                  "end": 15,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 14,
+                                      "line": 2,
+                                    },
+                                    "start": Position {
+                                      "column": 13,
+                                      "line": 2,
+                                    },
+                                  },
+                                  "name": "f",
+                                  "start": 14,
+                                  "type": "Identifier",
+                                },
+                                "loc": undefined,
+                                "params": Array [],
+                                "type": "FunctionExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 58,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 55,
+                                  "line": 2,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 59,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 48,
+                                "line": 2,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 44,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 43,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 42,
+                            "line": 2,
+                          },
+                        },
+                        "name": "g",
+                        "start": 43,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 29,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 26,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 30,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 19,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 15,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 14,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 13,
+                  "line": 2,
+                },
+              },
+              "name": "f",
+              "start": 14,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+      Object {
+        "expression": Object {
+          "left": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "arguments": Array [],
+                              "callee": [Circular],
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 29,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 26,
+                                  "line": 2,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 30,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 2,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 15,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 14,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 13,
+                            "line": 2,
+                          },
+                        },
+                        "name": "f",
+                        "start": 14,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 58,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 55,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 59,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 48,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 44,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 43,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 42,
+                  "line": 2,
+                },
+              },
+              "name": "g",
+              "start": 43,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 11,
+              "line": 4,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 4,
+            },
+          },
+          "operator": "===",
+          "right": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "arguments": Array [],
+                              "callee": [Circular],
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 29,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 26,
+                                  "line": 2,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 30,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 2,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 15,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 14,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 13,
+                            "line": 2,
+                          },
+                        },
+                        "name": "f",
+                        "start": 14,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 58,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 55,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 59,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 48,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 44,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 43,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 42,
+                  "line": 2,
+                },
+              },
+              "name": "g",
+              "start": 43,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+      Object {
+        "expression": Object {
+          "left": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "arguments": Array [],
+                              "callee": Object {
+                                "body": Object {
+                                  "body": Array [
+                                    Object {
+                                      "argument": Object {
+                                        "arguments": Array [],
+                                        "callee": [Circular],
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 29,
+                                            "line": 2,
+                                          },
+                                          "start": Position {
+                                            "column": 26,
+                                            "line": 2,
+                                          },
+                                        },
+                                        "type": "CallExpression",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 30,
+                                          "line": 2,
+                                        },
+                                        "start": Position {
+                                          "column": 19,
+                                          "line": 2,
+                                        },
+                                      },
+                                      "type": "ReturnStatement",
+                                    },
+                                  ],
+                                  "type": "BlockStatement",
+                                },
+                                "id": Node {
+                                  "end": 15,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 14,
+                                      "line": 2,
+                                    },
+                                    "start": Position {
+                                      "column": 13,
+                                      "line": 2,
+                                    },
+                                  },
+                                  "name": "f",
+                                  "start": 14,
+                                  "type": "Identifier",
+                                },
+                                "loc": undefined,
+                                "params": Array [],
+                                "type": "FunctionExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 58,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 55,
+                                  "line": 2,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 59,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 48,
+                                "line": 2,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 44,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 43,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 42,
+                            "line": 2,
+                          },
+                        },
+                        "name": "g",
+                        "start": 43,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 29,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 26,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 30,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 19,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 15,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 14,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 13,
+                  "line": 2,
+                },
+              },
+              "name": "f",
+              "start": 14,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 11,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 5,
+            },
+          },
+          "operator": "===",
+          "right": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "arguments": Array [],
+                              "callee": [Circular],
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 29,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 26,
+                                  "line": 2,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 30,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 2,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 15,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 14,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 13,
+                            "line": 2,
+                          },
+                        },
+                        "name": "f",
+                        "start": 14,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 58,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 55,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 59,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 48,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 44,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 43,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 42,
+                  "line": 2,
+                },
+              },
+              "name": "g",
+              "start": 43,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Node {
+          "end": 4,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 4,
+              "line": 1,
+            },
+            "start": Position {
+              "column": 0,
+              "line": 1,
+            },
+          },
+          "raw": "true",
+          "start": 0,
+          "type": "Literal",
+          "value": true,
+        },
+        "type": "ExpressionStatement",
+      },
+      Object {
+        "expression": Object {
+          "left": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "arguments": Array [],
+                              "callee": [Circular],
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 29,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 26,
+                                  "line": 2,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 30,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 2,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 15,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 14,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 13,
+                            "line": 2,
+                          },
+                        },
+                        "name": "f",
+                        "start": 14,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 58,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 55,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 59,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 48,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 44,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 43,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 42,
+                  "line": 2,
+                },
+              },
+              "name": "g",
+              "start": 43,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 11,
+              "line": 4,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 4,
+            },
+          },
+          "operator": "===",
+          "right": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "arguments": Array [],
+                              "callee": [Circular],
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 29,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 26,
+                                  "line": 2,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 30,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 2,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 15,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 14,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 13,
+                            "line": 2,
+                          },
+                        },
+                        "name": "f",
+                        "start": 14,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 58,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 55,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 59,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 48,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 44,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 43,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 42,
+                  "line": 2,
+                },
+              },
+              "name": "g",
+              "start": 43,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+      Object {
+        "expression": Object {
+          "left": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "arguments": Array [],
+                              "callee": Object {
+                                "body": Object {
+                                  "body": Array [
+                                    Object {
+                                      "argument": Object {
+                                        "arguments": Array [],
+                                        "callee": [Circular],
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 29,
+                                            "line": 2,
+                                          },
+                                          "start": Position {
+                                            "column": 26,
+                                            "line": 2,
+                                          },
+                                        },
+                                        "type": "CallExpression",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 30,
+                                          "line": 2,
+                                        },
+                                        "start": Position {
+                                          "column": 19,
+                                          "line": 2,
+                                        },
+                                      },
+                                      "type": "ReturnStatement",
+                                    },
+                                  ],
+                                  "type": "BlockStatement",
+                                },
+                                "id": Node {
+                                  "end": 15,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 14,
+                                      "line": 2,
+                                    },
+                                    "start": Position {
+                                      "column": 13,
+                                      "line": 2,
+                                    },
+                                  },
+                                  "name": "f",
+                                  "start": 14,
+                                  "type": "Identifier",
+                                },
+                                "loc": undefined,
+                                "params": Array [],
+                                "type": "FunctionExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 58,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 55,
+                                  "line": 2,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 59,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 48,
+                                "line": 2,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 44,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 43,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 42,
+                            "line": 2,
+                          },
+                        },
+                        "name": "g",
+                        "start": 43,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 29,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 26,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 30,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 19,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 15,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 14,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 13,
+                  "line": 2,
+                },
+              },
+              "name": "f",
+              "start": 14,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 11,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 5,
+            },
+          },
+          "operator": "===",
+          "right": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "arguments": Array [],
+                              "callee": [Circular],
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 29,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 26,
+                                  "line": 2,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 30,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 2,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 15,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 14,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 13,
+                            "line": 2,
+                          },
+                        },
+                        "name": "f",
+                        "start": 14,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 58,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 55,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 59,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 48,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 44,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 43,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 42,
+                  "line": 2,
+                },
+              },
+              "name": "g",
+              "start": 43,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "arguments": Array [],
+                              "callee": [Circular],
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 29,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 26,
+                                  "line": 2,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 30,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 2,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 15,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 14,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 13,
+                            "line": 2,
+                          },
+                        },
+                        "name": "f",
+                        "start": 14,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 58,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 55,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 59,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 48,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 44,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 43,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 42,
+                  "line": 2,
+                },
+              },
+              "name": "g",
+              "start": 43,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 11,
+              "line": 4,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 4,
+            },
+          },
+          "operator": "===",
+          "right": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "arguments": Array [],
+                              "callee": [Circular],
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 29,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 26,
+                                  "line": 2,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 30,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 2,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 15,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 14,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 13,
+                            "line": 2,
+                          },
+                        },
+                        "name": "f",
+                        "start": 14,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 58,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 55,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 59,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 48,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 44,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 43,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 42,
+                  "line": 2,
+                },
+              },
+              "name": "g",
+              "start": 43,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+      Object {
+        "expression": Object {
+          "left": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "arguments": Array [],
+                              "callee": Object {
+                                "body": Object {
+                                  "body": Array [
+                                    Object {
+                                      "argument": Object {
+                                        "arguments": Array [],
+                                        "callee": [Circular],
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 29,
+                                            "line": 2,
+                                          },
+                                          "start": Position {
+                                            "column": 26,
+                                            "line": 2,
+                                          },
+                                        },
+                                        "type": "CallExpression",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 30,
+                                          "line": 2,
+                                        },
+                                        "start": Position {
+                                          "column": 19,
+                                          "line": 2,
+                                        },
+                                      },
+                                      "type": "ReturnStatement",
+                                    },
+                                  ],
+                                  "type": "BlockStatement",
+                                },
+                                "id": Node {
+                                  "end": 15,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 14,
+                                      "line": 2,
+                                    },
+                                    "start": Position {
+                                      "column": 13,
+                                      "line": 2,
+                                    },
+                                  },
+                                  "name": "f",
+                                  "start": 14,
+                                  "type": "Identifier",
+                                },
+                                "loc": undefined,
+                                "params": Array [],
+                                "type": "FunctionExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 58,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 55,
+                                  "line": 2,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 59,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 48,
+                                "line": 2,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 44,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 43,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 42,
+                            "line": 2,
+                          },
+                        },
+                        "name": "g",
+                        "start": 43,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 29,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 26,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 30,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 19,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 15,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 14,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 13,
+                  "line": 2,
+                },
+              },
+              "name": "f",
+              "start": 14,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 11,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 5,
+            },
+          },
+          "operator": "===",
+          "right": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "arguments": Array [],
+                              "callee": [Circular],
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 29,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 26,
+                                  "line": 2,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 30,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 2,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 15,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 14,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 13,
+                            "line": 2,
+                          },
+                        },
+                        "name": "f",
+                        "start": 14,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 58,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 55,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 59,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 48,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 44,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 43,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 42,
+                  "line": 2,
+                },
+              },
+              "name": "g",
+              "start": 43,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Node {
+          "end": 4,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 4,
+              "line": 1,
+            },
+            "start": Position {
+              "column": 0,
+              "line": 1,
+            },
+          },
+          "raw": "true",
+          "start": 0,
+          "type": "Literal",
+          "value": true,
+        },
+        "type": "ExpressionStatement",
+      },
+      Object {
+        "expression": Object {
+          "left": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "arguments": Array [],
+                              "callee": Object {
+                                "body": Object {
+                                  "body": Array [
+                                    Object {
+                                      "argument": Object {
+                                        "arguments": Array [],
+                                        "callee": [Circular],
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 29,
+                                            "line": 2,
+                                          },
+                                          "start": Position {
+                                            "column": 26,
+                                            "line": 2,
+                                          },
+                                        },
+                                        "type": "CallExpression",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 30,
+                                          "line": 2,
+                                        },
+                                        "start": Position {
+                                          "column": 19,
+                                          "line": 2,
+                                        },
+                                      },
+                                      "type": "ReturnStatement",
+                                    },
+                                  ],
+                                  "type": "BlockStatement",
+                                },
+                                "id": Node {
+                                  "end": 15,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 14,
+                                      "line": 2,
+                                    },
+                                    "start": Position {
+                                      "column": 13,
+                                      "line": 2,
+                                    },
+                                  },
+                                  "name": "f",
+                                  "start": 14,
+                                  "type": "Identifier",
+                                },
+                                "loc": undefined,
+                                "params": Array [],
+                                "type": "FunctionExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 58,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 55,
+                                  "line": 2,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 59,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 48,
+                                "line": 2,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 44,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 43,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 42,
+                            "line": 2,
+                          },
+                        },
+                        "name": "g",
+                        "start": 43,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 29,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 26,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 30,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 19,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 15,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 14,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 13,
+                  "line": 2,
+                },
+              },
+              "name": "f",
+              "start": 14,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 11,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 5,
+            },
+          },
+          "operator": "===",
+          "right": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "arguments": Array [],
+                              "callee": [Circular],
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 29,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 26,
+                                  "line": 2,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 30,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 2,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 15,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 14,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 13,
+                            "line": 2,
+                          },
+                        },
+                        "name": "f",
+                        "start": 14,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 58,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 55,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 59,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 48,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 44,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 43,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 42,
+                  "line": 2,
+                },
+              },
+              "name": "g",
+              "start": 43,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "arguments": Array [],
+                              "callee": Object {
+                                "body": Object {
+                                  "body": Array [
+                                    Object {
+                                      "argument": Object {
+                                        "arguments": Array [],
+                                        "callee": [Circular],
+                                        "loc": SourceLocation {
+                                          "end": Position {
+                                            "column": 29,
+                                            "line": 2,
+                                          },
+                                          "start": Position {
+                                            "column": 26,
+                                            "line": 2,
+                                          },
+                                        },
+                                        "type": "CallExpression",
+                                      },
+                                      "loc": SourceLocation {
+                                        "end": Position {
+                                          "column": 30,
+                                          "line": 2,
+                                        },
+                                        "start": Position {
+                                          "column": 19,
+                                          "line": 2,
+                                        },
+                                      },
+                                      "type": "ReturnStatement",
+                                    },
+                                  ],
+                                  "type": "BlockStatement",
+                                },
+                                "id": Node {
+                                  "end": 15,
+                                  "loc": SourceLocation {
+                                    "end": Position {
+                                      "column": 14,
+                                      "line": 2,
+                                    },
+                                    "start": Position {
+                                      "column": 13,
+                                      "line": 2,
+                                    },
+                                  },
+                                  "name": "f",
+                                  "start": 14,
+                                  "type": "Identifier",
+                                },
+                                "loc": undefined,
+                                "params": Array [],
+                                "type": "FunctionExpression",
+                              },
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 58,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 55,
+                                  "line": 2,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 59,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 48,
+                                "line": 2,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 44,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 43,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 42,
+                            "line": 2,
+                          },
+                        },
+                        "name": "g",
+                        "start": 43,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 29,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 26,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 30,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 19,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 15,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 14,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 13,
+                  "line": 2,
+                },
+              },
+              "name": "f",
+              "start": 14,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 11,
+              "line": 5,
+            },
+            "start": Position {
+              "column": 4,
+              "line": 5,
+            },
+          },
+          "operator": "===",
+          "right": Object {
+            "body": Object {
+              "body": Array [
+                Object {
+                  "argument": Object {
+                    "arguments": Array [],
+                    "callee": Object {
+                      "body": Object {
+                        "body": Array [
+                          Object {
+                            "argument": Object {
+                              "arguments": Array [],
+                              "callee": [Circular],
+                              "loc": SourceLocation {
+                                "end": Position {
+                                  "column": 29,
+                                  "line": 2,
+                                },
+                                "start": Position {
+                                  "column": 26,
+                                  "line": 2,
+                                },
+                              },
+                              "type": "CallExpression",
+                            },
+                            "loc": SourceLocation {
+                              "end": Position {
+                                "column": 30,
+                                "line": 2,
+                              },
+                              "start": Position {
+                                "column": 19,
+                                "line": 2,
+                              },
+                            },
+                            "type": "ReturnStatement",
+                          },
+                        ],
+                        "type": "BlockStatement",
+                      },
+                      "id": Node {
+                        "end": 15,
+                        "loc": SourceLocation {
+                          "end": Position {
+                            "column": 14,
+                            "line": 2,
+                          },
+                          "start": Position {
+                            "column": 13,
+                            "line": 2,
+                          },
+                        },
+                        "name": "f",
+                        "start": 14,
+                        "type": "Identifier",
+                      },
+                      "loc": undefined,
+                      "params": Array [],
+                      "type": "FunctionExpression",
+                    },
+                    "loc": SourceLocation {
+                      "end": Position {
+                        "column": 58,
+                        "line": 2,
+                      },
+                      "start": Position {
+                        "column": 55,
+                        "line": 2,
+                      },
+                    },
+                    "type": "CallExpression",
+                  },
+                  "loc": SourceLocation {
+                    "end": Position {
+                      "column": 59,
+                      "line": 2,
+                    },
+                    "start": Position {
+                      "column": 48,
+                      "line": 2,
+                    },
+                  },
+                  "type": "ReturnStatement",
+                },
+              ],
+              "type": "BlockStatement",
+            },
+            "id": Node {
+              "end": 44,
+              "loc": SourceLocation {
+                "end": Position {
+                  "column": 43,
+                  "line": 2,
+                },
+                "start": Position {
+                  "column": 42,
+                  "line": 2,
+                },
+              },
+              "name": "g",
+              "start": 43,
+              "type": "Identifier",
+            },
+            "loc": undefined,
+            "params": Array [],
+            "type": "FunctionExpression",
+          },
+          "type": "BinaryExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+  Object {
+    "body": Array [
+      Object {
+        "expression": Node {
+          "end": 5,
+          "loc": SourceLocation {
+            "end": Position {
+              "column": 5,
+              "line": 1,
+            },
+            "start": Position {
+              "column": 0,
+              "line": 1,
+            },
+          },
+          "raw": "false",
+          "start": 0,
+          "type": "Literal",
+          "value": false,
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+]
+`;
+
+exports[`undefined || 1 1`] = `
+Array [
+  Object {
+    "body": Array [
+      Object {
+        "expression": Object {
+          "left": Object {
+            "name": "undefined",
+            "type": "Identifier",
+          },
+          "loc": undefined,
+          "operator": "||",
+          "right": Node {
+            "end": 17,
+            "loc": SourceLocation {
+              "end": Position {
+                "column": 16,
+                "line": 2,
+              },
+              "start": Position {
+                "column": 15,
+                "line": 2,
+              },
+            },
+            "raw": "1",
+            "start": 16,
+            "type": "Literal",
+            "value": 1,
+          },
+          "type": "LogicalExpression",
+        },
+        "type": "ExpressionStatement",
+      },
+    ],
+    "sourceType": "module",
+    "type": "Program",
+  },
+]
+`;
diff --git a/src/__tests__/substituter.ts b/src/__tests__/substituter.ts
new file mode 100644
index 000000000..bdac364a7
--- /dev/null
+++ b/src/__tests__/substituter.ts
@@ -0,0 +1,523 @@
+import { mockContext } from '../mocks/context'
+import { parse } from '../parser'
+import { codify, getEvaluationSteps } from '../substituter'
+
+// source 0
+test('Test basic substitution', () => {
+  const code = `
+    (1 + 2) * (3 + 4);
+  `
+  const program = parse(code, mockContext())!
+  const steps = getEvaluationSteps(program, mockContext())
+  expect(steps).toMatchSnapshot()
+  expect(steps.map(codify).join('\n')).toMatchInlineSnapshot(`
+"(1 + 2) * (3 + 4);
+
+3 * (3 + 4);
+
+3 * 7;
+
+21;
+"
+`)
+})
+
+test('Test binary operator error', () => {
+  const code = `
+    (1 + 2) * ('a' + 'string');
+  `
+  const context = mockContext()
+  const program = parse(code, context)!
+  const steps = getEvaluationSteps(program, context)
+  expect(steps).toMatchSnapshot()
+  expect(steps.map(codify).join('\n')).toMatchInlineSnapshot(`
+"(1 + 2) * ('a' + 'string');
+
+3 * ('a' + 'string');
+
+3 * \\"astring\\";
+"
+`)
+})
+
+test('Test two statement substitution', () => {
+  const code = `
+    (1 + 2) * (3 + 4);
+    3 * 5;
+  `
+  const program = parse(code, mockContext())!
+  const steps = getEvaluationSteps(program, mockContext(4))
+  expect(steps).toMatchSnapshot()
+  expect(steps.map(codify).join('\n')).toMatchInlineSnapshot(`
+"(1 + 2) * (3 + 4);
+3 * 5;
+
+3 * (3 + 4);
+3 * 5;
+
+3 * 7;
+3 * 5;
+
+21;
+3 * 5;
+
+3 * 5;
+
+15;
+"
+`)
+})
+
+test('Test unary and binary boolean operations', () => {
+  const code = `
+  !!!true || true;
+  `
+  const program = parse(code, mockContext())!
+  const steps = getEvaluationSteps(program, mockContext())
+  expect(steps).toMatchSnapshot()
+  expect(steps.map(codify).join('\n')).toMatchInlineSnapshot(`
+"!!!true || true;
+
+!!false || true;
+
+!true || true;
+
+false || true;
+
+true;
+"
+`)
+})
+
+test('Test ternary operator', () => {
+  const code = `
+  1 + -1 === 0
+    ? false ? garbage : Infinity
+    : anotherGarbage;
+  `
+  const program = parse(code, mockContext())!
+  const steps = getEvaluationSteps(program, mockContext())
+  expect(steps).toMatchSnapshot()
+  expect(steps.map(codify).join('\n')).toMatchInlineSnapshot(`
+"1 + -1 === 0 ? false ? garbage : Infinity : anotherGarbage;
+
+0 === 0 ? false ? garbage : Infinity : anotherGarbage;
+
+true ? false ? garbage : Infinity : anotherGarbage;
+
+false ? garbage : Infinity;
+
+Infinity;
+"
+`)
+})
+
+test('Test basic function', () => {
+  const code = `
+  function f(n) {
+    return n;
+  }
+  f(5+1*6-40);
+  `
+  const program = parse(code, mockContext())!
+  const steps = getEvaluationSteps(program, mockContext())
+  expect(steps).toMatchSnapshot()
+  expect(steps.map(codify).join('\n')).toMatchInlineSnapshot(`
+"function f(n) {
+  return n;
+}
+f(5 + 1 * 6 - 40);
+
+f(5 + 1 * 6 - 40);
+
+f(5 + 6 - 40);
+
+f(11 - 40);
+
+f(-29);
+
+-29;
+"
+`)
+})
+
+test('Test basic bifunction', () => {
+  const code = `
+  function f(n, m) {
+    return n * m;
+  }
+  f(5+1*6-40, 2-5);
+  `
+  const program = parse(code, mockContext())!
+  const steps = getEvaluationSteps(program, mockContext())
+  expect(steps).toMatchSnapshot()
+  expect(steps.map(codify).join('\n')).toMatchInlineSnapshot(`
+"function f(n, m) {
+  return n * m;
+}
+f(5 + 1 * 6 - 40, 2 - 5);
+
+f(5 + 1 * 6 - 40, 2 - 5);
+
+f(5 + 6 - 40, 2 - 5);
+
+f(11 - 40, 2 - 5);
+
+f(-29, 2 - 5);
+
+f(-29, -3);
+
+-29 * -3;
+
+87;
+"
+`)
+})
+
+test('Test "recursive" function calls', () => {
+  const code = `
+  function factorial(n) {
+    return n === 0
+      ? 1
+      : n * factorial(n-1);
+  }
+  factorial(5);
+  `
+  const program = parse(code, mockContext())!
+  const steps = getEvaluationSteps(program, mockContext())
+  expect(steps).toMatchSnapshot()
+  expect(steps.map(codify).join('\n')).toMatchInlineSnapshot(`
+"function factorial(n) {
+  return n === 0 ? 1 : n * factorial(n - 1);
+}
+factorial(5);
+
+factorial(5);
+
+5 === 0 ? 1 : 5 * factorial(5 - 1);
+
+false ? 1 : 5 * factorial(5 - 1);
+
+5 * factorial(5 - 1);
+
+5 * factorial(4);
+
+5 * (4 === 0 ? 1 : 4 * factorial(4 - 1));
+
+5 * (false ? 1 : 4 * factorial(4 - 1));
+
+5 * (4 * factorial(4 - 1));
+
+5 * (4 * factorial(3));
+
+5 * (4 * (3 === 0 ? 1 : 3 * factorial(3 - 1)));
+
+5 * (4 * (false ? 1 : 3 * factorial(3 - 1)));
+
+5 * (4 * (3 * factorial(3 - 1)));
+
+5 * (4 * (3 * factorial(2)));
+
+5 * (4 * (3 * (2 === 0 ? 1 : 2 * factorial(2 - 1))));
+
+5 * (4 * (3 * (false ? 1 : 2 * factorial(2 - 1))));
+
+5 * (4 * (3 * (2 * factorial(2 - 1))));
+
+5 * (4 * (3 * (2 * factorial(1))));
+
+5 * (4 * (3 * (2 * (1 === 0 ? 1 : 1 * factorial(1 - 1)))));
+
+5 * (4 * (3 * (2 * (false ? 1 : 1 * factorial(1 - 1)))));
+
+5 * (4 * (3 * (2 * (1 * factorial(1 - 1)))));
+
+5 * (4 * (3 * (2 * (1 * factorial(0)))));
+
+5 * (4 * (3 * (2 * (1 * (0 === 0 ? 1 : 0 * factorial(0 - 1))))));
+
+5 * (4 * (3 * (2 * (1 * (true ? 1 : 0 * factorial(0 - 1))))));
+
+5 * (4 * (3 * (2 * (1 * 1))));
+
+5 * (4 * (3 * (2 * 1)));
+
+5 * (4 * (3 * 2));
+
+5 * (4 * 6);
+
+5 * 24;
+
+120;
+"
+`)
+})
+
+// source 0
+test('undefined || 1', () => {
+  const code = `
+  undefined || 1;
+  `
+  const program = parse(code, mockContext())!
+  const steps = getEvaluationSteps(program, mockContext())
+  expect(steps).toMatchSnapshot()
+  expect(steps.map(codify).join('\n')).toMatchInlineSnapshot(`
+"undefined || 1;
+"
+`)
+})
+
+// source 0
+test('1 + math_sin', () => {
+  const code = `
+  1 + math_sin;
+  `
+  const program = parse(code, mockContext())!
+  const steps = getEvaluationSteps(program, mockContext())
+  expect(steps).toMatchSnapshot()
+  expect(steps.map(codify).join('\n')).toMatchInlineSnapshot(`
+"1 + math_sin;
+"
+`)
+})
+
+// source 0
+test('plus undefined', () => {
+  const code = `
+  math_sin(1) + undefined;
+  `
+  const program = parse(code, mockContext())!
+  const steps = getEvaluationSteps(program, mockContext())
+  expect(steps).toMatchSnapshot()
+  expect(steps.map(codify).join('\n')).toMatchInlineSnapshot(`
+"math_sin(1) + undefined;
+
+0.8414709848078965 + undefined;
+"
+`)
+})
+
+// source 0
+test('math_pow', () => {
+  const code = `
+  math_pow(3,100) || NaN;
+  `
+  const program = parse(code, mockContext())!
+  const steps = getEvaluationSteps(program, mockContext())
+  expect(steps).toMatchSnapshot()
+  expect(steps.map(codify).join('\n')).toMatchInlineSnapshot(`
+"math_pow(3, 100) || NaN;
+
+5.153775207320114e+47 || NaN;
+"
+`)
+})
+
+// source 0
+test('expmod', () => {
+  const code = `
+  function is_even(n) {
+    return n % 2 === 0;
+}
+
+function expmod(base, exp, m) {
+    if (exp === 0) {
+        return 1;
+    } else {
+        if (is_even(exp)) {
+            const to_half = expmod(base, exp / 2, m);
+            return to_half * to_half % m;
+        } else {
+            return base * expmod(base, exp - 1, m) % m;
+        }
+    }
+}
+
+expmod(4, 3, 5);
+  `
+  const program = parse(code, mockContext())!
+  const steps = getEvaluationSteps(program, mockContext())
+  expect(steps).toMatchSnapshot()
+  expect(steps.map(codify).join('\n')).toMatchSnapshot()
+})
+
+// source 0
+test('Infinite recursion', () => {
+  const code = `
+  function f() {
+    return f();
+}
+f();
+  `
+  const program = parse(code, mockContext())!
+  const steps = getEvaluationSteps(program, mockContext())
+  expect(steps.map(codify).join('\n')).toMatchSnapshot()
+})
+
+// source 0
+test('subsets', () => {
+  const code = `
+  function subsets(s) {
+    if (is_null(s)) {
+        return list(null);
+    } else {
+        const rest = subsets(tail(s));
+        return append(rest, map(x => pair(head(s), x), rest));
+    }
+}
+
+ subsets(list(1, 2, 3));
+  `
+  const program = parse(code, mockContext(2))!
+  const steps = getEvaluationSteps(program, mockContext(2))
+  expect(steps.map(codify).join('\n')).toMatchSnapshot()
+})
+
+// source 0
+test('even odd mutual', () => {
+  const code = `
+  const odd = n => n === 0 ? false : even(n-1);
+  const even = n => n === 0 || odd(n-1);
+  even(1);
+  `
+  const program = parse(code, mockContext())!
+  const steps = getEvaluationSteps(program, mockContext())
+  expect(steps).toMatchSnapshot()
+  expect(steps.map(codify).join('\n')).toMatchInlineSnapshot(`
+"const odd = =>;
+const even = =>;
+even(1);
+
+const even = =>;
+even(1);
+
+=>(1);
+
+1 === 0 || =>(1 - 1);
+
+false || =>(1 - 1);
+
+=>(1 - 1);
+
+=>(0);
+
+0 === 0 ? false : =>(0 - 1);
+
+true ? false : =>(0 - 1);
+
+false;
+"
+`)
+})
+
+// source 0
+test('assign undefined', () => {
+  const code = `
+  const a = undefined;
+  a;
+  `
+  const program = parse(code, mockContext())!
+  const steps = getEvaluationSteps(program, mockContext())
+  expect(steps).toMatchSnapshot()
+  expect(steps.map(codify).join('\n')).toMatchInlineSnapshot(`
+"const a = undefined;
+a;
+
+undefined;
+"
+`)
+})
+
+test('builtins return identifiers', () => {
+  const code = `
+  math_sin();
+  `
+  const program = parse(code, mockContext())!
+  const steps = getEvaluationSteps(program, mockContext())
+  expect(steps).toMatchSnapshot()
+  expect(steps.map(codify).join('\n')).toMatchInlineSnapshot(`
+"math_sin();
+
+NaN;
+"
+`)
+})
+
+test('negative numbers as arguments', () => {
+  const code = `
+  math_sin(-1);
+  `
+  const program = parse(code, mockContext())!
+  const steps = getEvaluationSteps(program, mockContext())
+  expect(steps).toMatchSnapshot()
+  expect(steps.map(codify).join('\n')).toMatchInlineSnapshot(`
+"math_sin(-1);
+
+-0.8414709848078965;
+"
+`)
+})
+
+test('is_function checks for builtin', () => {
+  const code = `
+    is_function(is_function);
+  `
+  const program = parse(code, mockContext())!
+  const steps = getEvaluationSteps(program, mockContext())
+  expect(steps).toMatchSnapshot()
+  expect(steps.map(codify).join('\n')).toMatchInlineSnapshot(`
+"is_function(is_function);
+
+true;
+"
+`)
+})
+
+test('triple equals work on function', () => {
+  const code = `
+    function f() { return g(); } function g() { return f(); }
+    f === f;
+    g === g;
+    f === g;
+  `
+  const program = parse(code, mockContext())!
+  const steps = getEvaluationSteps(program, mockContext())
+  expect(steps).toMatchSnapshot()
+  expect(steps.map(codify).join('\n')).toMatchInlineSnapshot(`
+"function f() {
+  return g();
+}
+function g() {
+  return f();
+}
+f === f;
+g === g;
+f === g;
+
+function g() {
+  return f();
+}
+f === f;
+g === g;
+f === g;
+
+f === f;
+g === g;
+f === g;
+
+true;
+g === g;
+f === g;
+
+g === g;
+f === g;
+
+true;
+f === g;
+
+f === g;
+
+false;
+"
+`)
+})
diff --git a/src/index.ts b/src/index.ts
index f0f5fbc7f..821596fda 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -14,6 +14,7 @@ import {
 import { parse, parseAt } from './parser'
 import { AsyncScheduler, PreemptiveScheduler } from './schedulers'
 import { areBreakpointsSet, setBreakpointAtLine } from './stdlib/inspector'
+import { codify, getEvaluationSteps } from './substituter'
 import { transpile } from './transpiler'
 import {
   Context,
@@ -32,13 +33,15 @@ export interface IOptions {
   steps: number
   executionMethod: ExecutionMethod
   originalMaxExecTime: number
+  useSubst: boolean
 }
 
 const DEFAULT_OPTIONS: IOptions = {
   scheduler: 'async',
   steps: 1000,
   executionMethod: 'auto',
-  originalMaxExecTime: 1000
+  originalMaxExecTime: 1000,
+  useSubst: false
 }
 
 // needed to work on browsers
@@ -163,6 +166,13 @@ export async function runInContext(
   if (!program) {
     return resolvedErrorPromise
   }
+  if (options.useSubst) {
+    const steps = getEvaluationSteps(program, context)
+    return Promise.resolve({
+      status: 'finished',
+      value: steps.map(codify)
+    } as Result)
+  }
   const isNativeRunnable = determineExecutionMethod(theOptions, context, program)
   if (context.prelude !== null) {
     const prelude = context.prelude
diff --git a/src/repl/repl.ts b/src/repl/repl.ts
index 5ffe25a66..956a88da1 100644
--- a/src/repl/repl.ts
+++ b/src/repl/repl.ts
@@ -1,14 +1,14 @@
 import repl = require('repl') // 'repl' here refers to the module named 'repl' in index.d.ts
 import { createContext, parseError, runInContext } from '../index'
 
-function startRepl(chapter = 1) {
+function startRepl(chapter = 1, useSubst: boolean) {
   // use defaults for everything
   const context = createContext(chapter)
   repl.start(
     // the object being passed as argument fits the interface ReplOptions in the repl module.
     {
       eval: (cmd, unusedContext, unusedFilename, callback) => {
-        runInContext(cmd, context, { scheduler: 'preemptive' }).then(obj => {
+        runInContext(cmd, context, { scheduler: 'preemptive', useSubst }).then(obj => {
           if (obj.status === 'finished') {
             callback(null, obj.value)
           } else {
@@ -22,7 +22,8 @@ function startRepl(chapter = 1) {
 
 function main() {
   const chapter = process.argv.length > 2 ? parseInt(process.argv[2], 10) : 1
-  startRepl(chapter)
+  const useSubst = process.argv.length > 3 ? process.argv[3] === 'subst' : false
+  startRepl(chapter, useSubst)
 }
 
 main()
diff --git a/src/substituter.ts b/src/substituter.ts
new file mode 100644
index 000000000..37f247d45
--- /dev/null
+++ b/src/substituter.ts
@@ -0,0 +1,1024 @@
+import { generate } from 'astring'
+import * as es from 'estree'
+import * as errors from './interpreter-errors'
+import { parse } from './parser'
+import { BlockExpression, Context, FunctionDeclarationExpression, substituterNodes } from './types'
+import * as ast from './utils/astCreator'
+import { nodeToValue, valueToExpression } from './utils/converter'
+import {
+  dummyBlockExpression,
+  dummyBlockStatement,
+  dummyExpression,
+  dummyProgram,
+  dummyStatement,
+  dummyVariableDeclarator
+} from './utils/dummyAstCreator'
+import { evaluateBinaryExpression, evaluateUnaryExpression } from './utils/operators'
+import * as rttc from './utils/rttc'
+import { isAllowedLiterals, isBuiltinFunction, isNegNumber } from './utils/substituter'
+import * as builtin from './utils/substStdLib'
+
+const irreducibleTypes = new Set<string>([
+  'Literal',
+  'FunctionExpression',
+  'ArrowFunctionExpression',
+  'ArrayExpression'
+])
+
+function isIrreducible(node: substituterNodes) {
+  return (
+    isBuiltinFunction(node) ||
+    isAllowedLiterals(node) ||
+    isNegNumber(node) ||
+    irreducibleTypes.has(node.type)
+  )
+}
+
+type irreducibleNodes =
+  | es.FunctionExpression
+  | es.ArrowFunctionExpression
+  | es.Literal
+  | es.ArrayExpression
+
+/* tslint:disable:no-shadowed-variable */
+// wrapper function, calls substitute immediately.
+function substituteMain(
+  name: es.Identifier,
+  replacement: irreducibleNodes,
+  target: substituterNodes
+): substituterNodes {
+  const seenBefore: Map<substituterNodes, substituterNodes> = new Map()
+  /**
+   * Substituters are invoked only when the target is not seen before,
+   *  therefore each function has the responsbility of registering the
+   *  [target, replacement] pair in seenBefore.
+   * Substituter have two general steps:
+   * 1. Create dummy replacement with 1. and push [target, dummyReplacement]
+   *  into the seenBefore array.
+   * 2. [recursive step] we substitute the children, and return the dummyReplacement.
+   */
+  const substituters = {
+    Identifier(
+      target: es.Identifier
+    ): es.Identifier | FunctionDeclarationExpression | es.Literal | es.Expression {
+      if (replacement.type === 'Literal') {
+        // only accept string, boolean and numbers for arguments
+        return target.name === name.name ? ast.primitive(replacement.value) : target
+      } else {
+        return target.name === name.name
+          ? (substitute(replacement) as FunctionDeclarationExpression)
+          : target
+      }
+    },
+
+    ExpressionStatement(target: es.ExpressionStatement): es.ExpressionStatement {
+      const substedExpressionStatement = ast.expressionStatement(dummyExpression())
+      seenBefore.set(target, substedExpressionStatement)
+      substedExpressionStatement.expression = substitute(target.expression) as es.Expression
+      return substedExpressionStatement
+    },
+
+    BinaryExpression(target: es.BinaryExpression): es.BinaryExpression {
+      const substedBinaryExpression = ast.binaryExpression(
+        target.operator,
+        dummyExpression(),
+        dummyExpression(),
+        target.loc!
+      )
+      seenBefore.set(target, substedBinaryExpression)
+      substedBinaryExpression.left = substitute(target.left) as es.Expression
+      substedBinaryExpression.right = substitute(target.right) as es.Expression
+      return substedBinaryExpression
+    },
+
+    UnaryExpression(target: es.UnaryExpression): es.UnaryExpression {
+      const substedUnaryExpression = ast.unaryExpression(
+        target.operator,
+        dummyExpression(),
+        target.loc!
+      )
+      seenBefore.set(target, substedUnaryExpression)
+      substedUnaryExpression.argument = substitute(target.argument) as es.Expression
+      return substedUnaryExpression
+    },
+
+    ConditionalExpression(target: es.ConditionalExpression): es.ConditionalExpression {
+      const substedConditionalExpression = ast.conditionalExpression(
+        dummyExpression(),
+        dummyExpression(),
+        dummyExpression(),
+        target.loc!
+      )
+      seenBefore.set(target, substedConditionalExpression)
+      substedConditionalExpression.test = substitute(target.test) as es.Expression
+      substedConditionalExpression.consequent = substitute(target.consequent) as es.Expression
+      substedConditionalExpression.alternate = substitute(target.alternate) as es.Expression
+      return substedConditionalExpression
+    },
+
+    LogicalExpression(target: es.LogicalExpression): es.LogicalExpression {
+      const substedLocialExpression = ast.logicalExpression(
+        target.operator,
+        target.left,
+        target.right
+      )
+      seenBefore.set(target, substedLocialExpression)
+      substedLocialExpression.left = substitute(target.left) as es.Expression
+      substedLocialExpression.right = substitute(target.right) as es.Expression
+      return substedLocialExpression
+    },
+
+    CallExpression(target: es.CallExpression): es.CallExpression {
+      const dummyArgs = target.arguments.map(() => dummyExpression())
+      const substedCallExpression = ast.callExpression(dummyExpression(), dummyArgs, target.loc!)
+      seenBefore.set(target, substedCallExpression)
+      substedCallExpression.arguments = target.arguments.map(
+        expn => substitute(expn) as es.Expression
+      )
+      // do not subst callee for 1. const declarations and 2. Formal argument
+      // substitution of parameters
+      // TODO
+      if (replacement.type === 'Literal') {
+        substedCallExpression.callee = target.callee as es.Expression
+      } else {
+        substedCallExpression.callee = substitute(target.callee) as es.Expression
+      }
+      return substedCallExpression
+    },
+
+    FunctionDeclaration(target: es.FunctionDeclaration): es.FunctionDeclaration {
+      const substedFunctionDeclaration = ast.functionDeclaration(
+        target.id,
+        target.params,
+        dummyBlockStatement()
+      )
+      seenBefore.set(target, substedFunctionDeclaration)
+      // check for free/bounded variable
+      for (const param of target.params) {
+        if (param.type === 'Identifier' && param.name === name.name) {
+          substedFunctionDeclaration.body = target.body
+          return substedFunctionDeclaration
+        }
+      }
+      substedFunctionDeclaration.body = substitute(target.body) as es.BlockStatement
+      return substedFunctionDeclaration
+    },
+
+    FunctionExpression(target: es.FunctionExpression): es.FunctionExpression {
+      const substedFunctionExpression = target.id
+        ? ast.functionDeclarationExpression(target.id, target.params, dummyBlockStatement())
+        : ast.functionExpression(target.params as es.Identifier[], dummyBlockStatement())
+      seenBefore.set(target, substedFunctionExpression)
+      // check for free/bounded variable
+      for (const param of target.params) {
+        if (param.type === 'Identifier' && param.name === name.name) {
+          substedFunctionExpression.body = target.body
+          return substedFunctionExpression
+        }
+      }
+      substedFunctionExpression.body = substitute(target.body) as es.BlockStatement
+      return substedFunctionExpression
+    },
+
+    Program(target: es.Program): es.Program {
+      const substedProgram = ast.program(target.body.map(() => dummyStatement()))
+      seenBefore.set(target, substedProgram)
+      substedProgram.body = target.body.map(stmt => substitute(stmt) as es.Statement)
+      return substedProgram
+    },
+
+    BlockStatement(target: es.BlockStatement): es.BlockStatement {
+      const substedBody = target.body.map(() => dummyStatement())
+      const substedBlockStatement = ast.blockStatement(substedBody)
+      seenBefore.set(target, substedBlockStatement)
+      substedBlockStatement.body = target.body.map(stmt => substitute(stmt) as es.Statement)
+      return substedBlockStatement
+    },
+
+    BlockExpression(target: BlockExpression): BlockExpression {
+      const substedBody = target.body.map(() => dummyStatement())
+      const substedBlockExpression = ast.blockExpression(substedBody)
+      seenBefore.set(target, substedBlockExpression)
+      substedBlockExpression.body = target.body.map(stmt => substitute(stmt) as es.Statement)
+      return substedBlockExpression
+    },
+
+    ReturnStatement(target: es.ReturnStatement): es.ReturnStatement {
+      const substedReturnStatement = ast.returnStatement(dummyExpression(), target.loc!)
+      seenBefore.set(target, substedReturnStatement)
+      substedReturnStatement.argument = substitute(target.argument!) as es.Expression
+      return substedReturnStatement
+    },
+
+    // source 1
+    ArrowFunctionExpression(target: es.ArrowFunctionExpression): es.ArrowFunctionExpression {
+      const substedArrow = ast.arrowFunctionExpression(target.params, dummyBlockStatement())
+      seenBefore.set(target, substedArrow)
+      // check for free/bounded variable
+      for (const param of target.params) {
+        if (param.type === 'Identifier' && param.name === name.name) {
+          substedArrow.body = target.body
+          substedArrow.expression = target.body.type !== 'BlockStatement'
+          return substedArrow
+        }
+      }
+      substedArrow.body = substitute(target.body) as es.BlockStatement | es.Expression
+      substedArrow.expression = target.body.type !== 'BlockStatement'
+      return substedArrow
+    },
+
+    VariableDeclaration(target: es.VariableDeclaration): es.VariableDeclaration {
+      const substedVariableDeclaration = ast.variableDeclaration([dummyVariableDeclarator()])
+      seenBefore.set(target, substedVariableDeclaration)
+      substedVariableDeclaration.declarations = target.declarations.map(
+        substitute
+      ) as es.VariableDeclarator[]
+      return substedVariableDeclaration
+    },
+
+    VariableDeclarator(target: es.VariableDeclarator): es.VariableDeclarator {
+      const substedVariableDeclarator = ast.variableDeclarator(target.id, dummyExpression())
+      seenBefore.set(target, substedVariableDeclarator)
+      substedVariableDeclarator.init =
+        target.id.type === 'Identifier' && name.name === target.id.name
+          ? target.init
+          : // in source, we only allow const, and hence init cannot be undefined
+            (substitute(target.init!) as es.Expression)
+      return substedVariableDeclarator
+    },
+
+    IfStatement(target: es.IfStatement): es.IfStatement {
+      const substedIfStatement = ast.ifStatement(
+        dummyExpression(),
+        dummyBlockStatement(),
+        dummyBlockStatement(),
+        target.loc!
+      )
+      seenBefore.set(target, substedIfStatement)
+      substedIfStatement.test = substitute(target.test) as es.Expression
+      substedIfStatement.consequent = substitute(target.consequent) as es.BlockStatement
+      substedIfStatement.alternate = target.alternate
+        ? (substitute(target.alternate) as es.BlockStatement)
+        : null
+      return substedIfStatement
+    },
+
+    ArrayExpression(target: es.ArrayExpression): es.ArrayExpression {
+      const substedArray = ast.arrayExpression([dummyExpression()])
+      seenBefore.set(target, substedArray)
+      substedArray.elements = target.elements.map(substitute) as es.Expression[]
+      return substedArray
+    }
+  }
+
+  /**
+   * For mapper use, maps a [symbol, value] pair to the node supplied.
+   * @param name the name to be replaced
+   * @param replacement the expression to replace the name with
+   * @param node a node holding the target symbols
+   * @param seenBefore a list of nodes that are seen before in substitution
+   */
+  function substitute(target: substituterNodes): substituterNodes {
+    const result = seenBefore.get(target)
+    if (result) {
+      return result as substituterNodes
+    }
+    const substituter = substituters[target.type]
+    if (substituter === undefined) {
+      seenBefore.set(target, target)
+      return target // no need to subst, such as literals
+    } else {
+      // substituters are responsible of registering seenBefore
+      return substituter(target)
+    }
+  }
+  return substitute(target)
+}
+
+/**
+ * Substitutes a call expression with the body of the callee (funExp)
+ * and the body will have all ocurrences of parameters substituted
+ * with the arguments.
+ * @param call call expression with callee as functionExpression
+ * @param args arguments supplied to the call expression
+ */
+function apply(
+  callee: es.FunctionExpression | es.ArrowFunctionExpression,
+  args: irreducibleNodes[]
+): BlockExpression | es.Expression {
+  let substedBody = callee.body
+  for (let i = 0; i < args.length; i++) {
+    // source discipline requires parameters to be identifiers.
+    const param = callee.params[i] as es.Identifier
+    const arg = args[i] as es.Literal
+
+    substedBody = substituteMain(param, arg, substedBody) as typeof substedBody
+  }
+
+  if (callee.type === 'ArrowFunctionExpression' && callee.expression) {
+    return substedBody as es.Expression
+  }
+
+  const firstStatement: es.Statement = (substedBody as es.BlockStatement).body[0]
+  return firstStatement.type === 'ReturnStatement'
+    ? (firstStatement.argument as es.Expression)
+    : ast.blockExpression((substedBody as es.BlockStatement).body)
+}
+
+const reducers = {
+  // source 0
+  Identifier(node: es.Identifier, context: Context): [substituterNodes, Context] {
+    // can only be built ins. the rest should have been declared
+    if (!(isAllowedLiterals(node) || isBuiltinFunction(node))) {
+      throw new errors.UndefinedVariable(node.name, node)
+    } else {
+      return [node, context]
+    }
+  },
+
+  ExpressionStatement(node: es.ExpressionStatement, context: Context): [substituterNodes, Context] {
+    const [reduced] = reduce(node.expression, context)
+    return [ast.expressionStatement(reduced as es.Expression), context]
+  },
+
+  BinaryExpression(node: es.BinaryExpression, context: Context): [substituterNodes, Context] {
+    const { operator, left, right } = node
+    if (isIrreducible(left)) {
+      if (isIrreducible(right)) {
+        // if the ast are the same, then the values are the same
+        if (
+          builtin.is_function(left).value &&
+          builtin.is_function(right).value &&
+          operator === '==='
+        ) {
+          return [valueToExpression(left === right), context]
+        }
+        const [leftValue, rightValue] = [left, right].map(nodeToValue)
+        const error = rttc.checkBinaryExpression(node, operator, leftValue, rightValue)
+        if (error === undefined) {
+          const lit = evaluateBinaryExpression(operator, leftValue, rightValue)
+          return [valueToExpression(lit, context), context]
+        } else {
+          throw error
+        }
+      } else {
+        const [reducedRight] = reduce(right, context)
+        const reducedExpression = ast.binaryExpression(
+          operator,
+          left,
+          reducedRight as es.Expression,
+          node.loc!
+        )
+        return [reducedExpression, context]
+      }
+    } else {
+      const [reducedLeft] = reduce(node.left, context)
+      const reducedExpression = ast.binaryExpression(
+        operator,
+        reducedLeft as es.Expression,
+        right,
+        node.loc!
+      )
+      return [reducedExpression, context]
+    }
+  },
+
+  UnaryExpression(node: es.UnaryExpression, context: Context): [substituterNodes, Context] {
+    const { operator, argument } = node
+    if (isIrreducible(argument)) {
+      // tslint:disable-next-line
+      const argumentValue = nodeToValue(argument)
+      const error = rttc.checkUnaryExpression(node, operator, argumentValue)
+      if (error === undefined) {
+        const result = evaluateUnaryExpression(operator, argumentValue)
+        return [valueToExpression(result, context), context]
+      } else {
+        throw error
+      }
+    } else {
+      const [reducedArgument] = reduce(argument, context)
+      const reducedExpression = ast.unaryExpression(
+        operator,
+        reducedArgument as es.Expression,
+        node.loc!
+      )
+      return [reducedExpression, context]
+    }
+  },
+
+  LogicalExpression(node: es.LogicalExpression, context: Context): [substituterNodes, Context] {
+    const { left, right } = node
+    if (isIrreducible(left)) {
+      if (!(left.type === 'Literal' && typeof left.value === 'boolean')) {
+        throw new rttc.TypeError(left, ' on left hand side of operation', 'boolean', left.type)
+      } else {
+        const result =
+          node.operator === '&&'
+            ? left.value
+              ? right
+              : ast.literal(false, node.loc!)
+            : left.value
+            ? ast.literal(true, node.loc!)
+            : right
+        return [result as es.Expression, context]
+      }
+    } else {
+      const [reducedLeft] = reduce(left, context)
+      return [
+        ast.logicalExpression(
+          node.operator,
+          reducedLeft as es.Expression,
+          right,
+          node.loc!
+        ) as substituterNodes,
+        context
+      ]
+    }
+  },
+
+  ConditionalExpression(
+    node: es.ConditionalExpression,
+    context: Context
+  ): [substituterNodes, Context] {
+    const { test, consequent, alternate } = node
+    if (test.type === 'Literal') {
+      const error = rttc.checkIfStatement(node, test.value)
+      if (error === undefined) {
+        return [(test.value ? consequent : alternate) as es.Expression, context]
+      } else {
+        throw error
+      }
+    } else {
+      const [reducedTest] = reduce(test, context)
+      const reducedExpression = ast.conditionalExpression(
+        reducedTest as es.Expression,
+        consequent,
+        alternate,
+        node.loc!
+      )
+      return [reducedExpression, context]
+    }
+  },
+
+  // core of the subst model
+  CallExpression(node: es.CallExpression, context: Context): [substituterNodes, Context] {
+    const [callee, args] = [node.callee, node.arguments]
+    // source 0: discipline: any expression can be transformed into either literal, ident(builtin) or funexp
+    // if functor can reduce, reduce functor
+    if (!isIrreducible(callee)) {
+      return [
+        ast.callExpression(
+          reduce(callee, context)[0] as es.Expression,
+          args as es.Expression[],
+          node.loc!
+        ),
+        context
+      ]
+    } else if (callee.type === 'Literal') {
+      throw new errors.CallingNonFunctionValue(callee, node)
+    } else if (
+      callee.type === 'Identifier' &&
+      !(callee.name in context.runtime.environments[0].head)
+    ) {
+      throw new errors.UndefinedVariable(callee.name, callee)
+    } else {
+      // callee is builtin or funexp
+      if (
+        (callee.type === 'FunctionExpression' || callee.type === 'ArrowFunctionExpression') &&
+        args.length !== callee.params.length
+      ) {
+        throw new errors.InvalidNumberOfArguments(node, args.length, callee.params.length)
+      } else {
+        for (let i = 0; i < args.length; i++) {
+          const currentArg = args[i]
+          if (!isIrreducible(currentArg)) {
+            const reducedArgs = [
+              ...args.slice(0, i),
+              reduce(currentArg, context)[0],
+              ...args.slice(i + 1)
+            ]
+            return [
+              ast.callExpression(
+                callee as es.Expression,
+                reducedArgs as es.Expression[],
+                node.loc!
+              ),
+              context
+            ]
+          }
+          if (
+            currentArg.type === 'Identifier' &&
+            !(currentArg.name in context.runtime.environments[0].head)
+          ) {
+            throw new errors.UndefinedVariable(currentArg.name, currentArg)
+          }
+        }
+      }
+      // if it reaches here, means all the arguments are legal.
+      if (['FunctionExpression', 'ArrowFunctionExpression'].includes(callee.type)) {
+        return [apply(callee as FunctionDeclarationExpression, args as es.Literal[]), context]
+      } else {
+        if ((callee as es.Identifier).name.includes('math')) {
+          return [builtin.evaluateMath((callee as es.Identifier).name, ...args), context]
+        }
+        return [builtin[(callee as es.Identifier).name](...args), context]
+      }
+    }
+  },
+
+  Program(node: es.Program, context: Context): [substituterNodes, Context] {
+    const [firstStatement, ...otherStatements] = node.body
+    if (firstStatement.type === 'ExpressionStatement' && isIrreducible(firstStatement.expression)) {
+      return [ast.program(otherStatements as es.Statement[]), context]
+    } else if (firstStatement.type === 'FunctionDeclaration') {
+      let funDecExp = ast.functionDeclarationExpression(
+        firstStatement.id!,
+        firstStatement.params,
+        firstStatement.body
+      ) as FunctionDeclarationExpression
+      // substitute body
+      funDecExp = substituteMain(
+        funDecExp.id,
+        funDecExp,
+        funDecExp
+      ) as FunctionDeclarationExpression
+      // substitute the rest of the program
+      const remainingProgram = ast.program(otherStatements as es.Statement[])
+      return [substituteMain(funDecExp.id, funDecExp, remainingProgram), context]
+    } else if (firstStatement.type === 'VariableDeclaration') {
+      const { kind, declarations } = firstStatement
+      if (kind !== 'const') {
+        // TODO: cannot use let or var
+        return [dummyProgram(), context]
+      } else if (
+        declarations.length <= 0 ||
+        declarations.length > 1 ||
+        declarations[0].type !== 'VariableDeclarator' ||
+        !declarations[0].init
+      ) {
+        // TODO: syntax error
+        return [dummyProgram(), context]
+      } else {
+        const declarator = declarations[0] as es.VariableDeclarator
+        const rhs = declarator.init!
+        if (declarator.id.type !== 'Identifier') {
+          // TODO: source does not allow destructuring
+          return [dummyProgram(), context]
+        } else if (isIrreducible(rhs)) {
+          const remainingProgram = ast.program(otherStatements as es.Statement[])
+          // forced casting for some weird errors
+          return [
+            substituteMain(declarator.id, rhs as es.ArrayExpression, remainingProgram),
+            context
+          ]
+        } else if (rhs.type === 'ArrowFunctionExpression' || rhs.type === 'FunctionExpression') {
+          let funDecExp = ast.functionDeclarationExpression(
+            declarator.id,
+            rhs.params,
+            rhs.body.type === 'BlockStatement'
+              ? rhs.body
+              : ast.blockStatement([ast.returnStatement(rhs.body)])
+          ) as FunctionDeclarationExpression
+          // substitute body
+          funDecExp = substituteMain(
+            funDecExp.id,
+            funDecExp,
+            funDecExp
+          ) as FunctionDeclarationExpression
+          // substitute the rest of the program
+          const remainingProgram = ast.program(otherStatements as es.Statement[])
+          return [substituteMain(funDecExp.id, funDecExp, remainingProgram), context]
+        } else {
+          const [reducedRhs] = reduce(rhs, context)
+          return [
+            ast.program([
+              ast.declaration(
+                declarator.id.name,
+                'const',
+                reducedRhs as es.Expression
+              ) as es.Statement,
+              ...(otherStatements as es.Statement[])
+            ]),
+            context
+          ]
+        }
+      }
+    }
+    const [reduced] = reduce(firstStatement, context)
+    return [ast.program([reduced as es.Statement, ...(otherStatements as es.Statement[])]), context]
+  },
+
+  BlockStatement(node: es.BlockStatement, context: Context): [substituterNodes, Context] {
+    const [firstStatement, ...otherStatements] = node.body
+    if (firstStatement.type === 'ReturnStatement') {
+      const arg = firstStatement.argument as es.Expression
+      if (isIrreducible(arg)) {
+        return [firstStatement, context]
+      } else {
+        const reducedReturn = ast.returnStatement(
+          reduce(arg, context)[0] as es.Expression,
+          firstStatement.loc!
+        )
+        return [ast.blockStatement([reducedReturn, ...otherStatements]), context]
+      }
+    } else if (
+      firstStatement.type === 'ExpressionStatement' &&
+      isIrreducible(firstStatement.expression)
+    ) {
+      return [
+        otherStatements.length > 0
+          ? ast.blockStatement(otherStatements as es.Statement[])
+          : ast.expressionStatement(ast.identifier('undefined')),
+        context
+      ]
+    } else if (firstStatement.type === 'FunctionDeclaration') {
+      let funDecExp = ast.functionDeclarationExpression(
+        firstStatement.id!,
+        firstStatement.params,
+        firstStatement.body
+      ) as FunctionDeclarationExpression
+      // substitute body
+      funDecExp = substituteMain(
+        funDecExp.id,
+        funDecExp,
+        funDecExp
+      ) as FunctionDeclarationExpression
+      // substitute the rest of the blockStatement
+      const remainingBlockStatement = ast.blockStatement(otherStatements as es.Statement[])
+      return [substituteMain(funDecExp.id, funDecExp, remainingBlockStatement), context]
+    } else if (firstStatement.type === 'VariableDeclaration') {
+      const { kind, declarations } = firstStatement
+      if (kind !== 'const') {
+        // TODO: cannot use let or var
+        return [dummyBlockStatement(), context]
+      } else if (
+        declarations.length <= 0 ||
+        declarations.length > 1 ||
+        declarations[0].type !== 'VariableDeclarator' ||
+        !declarations[0].init
+      ) {
+        // TODO: syntax error
+        return [dummyBlockStatement(), context]
+      } else {
+        const declarator = declarations[0] as es.VariableDeclarator
+        const rhs = declarator.init!
+        if (declarator.id.type !== 'Identifier') {
+          // TODO: source does not allow destructuring
+          return [dummyBlockStatement(), context]
+        } else if (isIrreducible(rhs)) {
+          const remainingBlockStatement = ast.blockStatement(otherStatements as es.Statement[])
+          // force casting for weird errors
+          return [
+            substituteMain(declarator.id, rhs as es.ArrayExpression, remainingBlockStatement),
+            context
+          ]
+        } else if (rhs.type === 'ArrowFunctionExpression' || rhs.type === 'FunctionExpression') {
+          let funDecExp = ast.functionDeclarationExpression(
+            declarator.id,
+            rhs.params,
+            rhs.body.type === 'BlockStatement'
+              ? rhs.body
+              : ast.blockStatement([ast.returnStatement(rhs.body)])
+          ) as FunctionDeclarationExpression
+          // substitute body
+          funDecExp = substituteMain(
+            funDecExp.id,
+            funDecExp,
+            funDecExp
+          ) as FunctionDeclarationExpression
+          // substitute the rest of the blockStatement
+          const remainingBlockStatement = ast.blockStatement(otherStatements as es.Statement[])
+          return [substituteMain(funDecExp.id, funDecExp, remainingBlockStatement), context]
+        } else {
+          const [reducedRhs] = reduce(rhs, context)
+          return [
+            ast.blockStatement([
+              ast.declaration(
+                declarator.id.name,
+                'const',
+                reducedRhs as es.Expression
+              ) as es.Statement,
+              ...(otherStatements as es.Statement[])
+            ]),
+            context
+          ]
+        }
+      }
+    }
+    const [reduced] = reduce(firstStatement, context)
+    return [
+      ast.blockStatement([reduced as es.Statement, ...(otherStatements as es.Statement[])]),
+      context
+    ]
+  },
+
+  BlockExpression(node: BlockExpression, context: Context): [substituterNodes, Context] {
+    const [firstStatement, ...otherStatements] = node.body
+    if (firstStatement.type === 'ReturnStatement') {
+      const arg = firstStatement.argument as es.Expression
+      if (isIrreducible(arg)) {
+        return [arg, context]
+      } else {
+        const reducedReturn = ast.returnStatement(
+          reduce(arg, context)[0] as es.Expression,
+          firstStatement.loc!
+        )
+        return [ast.blockExpression([reducedReturn, ...otherStatements]), context]
+      }
+    } else if (
+      firstStatement.type === 'ExpressionStatement' &&
+      isIrreducible(firstStatement.expression)
+    ) {
+      return [
+        otherStatements.length > 0
+          ? ast.blockExpression(otherStatements as es.Statement[])
+          : ast.identifier('undefined'),
+        context
+      ]
+    } else if (firstStatement.type === 'FunctionDeclaration') {
+      let funDecExp = ast.functionDeclarationExpression(
+        firstStatement.id!,
+        firstStatement.params,
+        firstStatement.body
+      ) as FunctionDeclarationExpression
+      // substitute body
+      funDecExp = substituteMain(
+        funDecExp.id,
+        funDecExp,
+        funDecExp
+      ) as FunctionDeclarationExpression
+      // substitute the rest of the blockExpression
+      const remainingBlockExpression = ast.blockExpression(otherStatements as es.Statement[])
+      return [substituteMain(funDecExp.id, funDecExp, remainingBlockExpression), context]
+    } else if (firstStatement.type === 'VariableDeclaration') {
+      const { kind, declarations } = firstStatement
+      if (kind !== 'const') {
+        // TODO: cannot use let or var
+        return [dummyBlockExpression(), context]
+      } else if (
+        declarations.length <= 0 ||
+        declarations.length > 1 ||
+        declarations[0].type !== 'VariableDeclarator' ||
+        !declarations[0].init
+      ) {
+        // TODO: syntax error
+        return [dummyBlockExpression(), context]
+      } else {
+        const declarator = declarations[0] as es.VariableDeclarator
+        const rhs = declarator.init!
+        if (declarator.id.type !== 'Identifier') {
+          // TODO: source does not allow destructuring
+          return [dummyBlockExpression(), context]
+        } else if (isIrreducible(rhs)) {
+          const remainingBlockExpression = ast.blockExpression(otherStatements as es.Statement[])
+          // forced casting for some weird errors
+          return [
+            substituteMain(declarator.id, rhs as es.ArrayExpression, remainingBlockExpression),
+            context
+          ]
+        } else if (rhs.type === 'ArrowFunctionExpression' || rhs.type === 'FunctionExpression') {
+          let funDecExp = ast.functionDeclarationExpression(
+            declarator.id,
+            rhs.params,
+            rhs.body.type === 'BlockStatement'
+              ? rhs.body
+              : ast.blockStatement([ast.returnStatement(rhs.body)])
+          ) as FunctionDeclarationExpression
+          // substitute body
+          funDecExp = substituteMain(
+            funDecExp.id,
+            funDecExp,
+            funDecExp
+          ) as FunctionDeclarationExpression
+          // substitute the rest of the blockExpression
+          const remainingBlockExpression = ast.blockExpression(otherStatements as es.Statement[])
+          return [substituteMain(funDecExp.id, funDecExp, remainingBlockExpression), context]
+        } else {
+          const [reducedRhs] = reduce(rhs, context)
+          return [
+            ast.blockExpression([
+              ast.declaration(
+                declarator.id.name,
+                'const',
+                reducedRhs as es.Expression
+              ) as es.Statement,
+              ...(otherStatements as es.Statement[])
+            ]),
+            context
+          ]
+        }
+      }
+    }
+    const [reduced] = reduce(firstStatement, context)
+    return [
+      ast.blockExpression([reduced as es.Statement, ...(otherStatements as es.Statement[])]),
+      context
+    ]
+  },
+
+  // source 1
+  IfStatement(node: es.IfStatement, context: Context): [substituterNodes, Context] {
+    const { test, consequent, alternate } = node
+    if (test.type === 'Literal') {
+      const error = rttc.checkIfStatement(node, test.value)
+      if (error === undefined) {
+        return [(test.value ? consequent : alternate) as es.Statement, context]
+      } else {
+        throw error
+      }
+    } else {
+      const [reducedTest] = reduce(test, context)
+      const reducedIfStatement = ast.ifStatement(
+        reducedTest as es.Expression,
+        consequent as es.BlockStatement,
+        alternate as es.IfStatement | es.BlockStatement,
+        node.loc!
+      )
+      return [reducedIfStatement, context]
+    }
+  }
+}
+
+function reduce(node: substituterNodes, context: Context): [substituterNodes, Context] {
+  const reducer = reducers[node.type]
+  if (reducer === undefined) {
+    return [ast.program([]), context] // exit early
+    // return [node, context] // if reducer is not found we just get stuck
+  } else {
+    return reducer(node, context)
+  }
+}
+
+// recurse down the program like substitute
+// if see a function at expression position,
+//   has an identifier: replace with the name
+//   else: replace with an identifer "=>"
+const treeifiers = {
+  // Identifier: return
+  ExpressionStatement: (target: es.ExpressionStatement): es.ExpressionStatement => {
+    return ast.expressionStatement(treeify(target.expression) as es.Expression)
+  },
+
+  BinaryExpression: (target: es.BinaryExpression) => {
+    return ast.binaryExpression(
+      target.operator,
+      treeify(target.left) as es.Expression,
+      treeify(target.right) as es.Expression
+    )
+  },
+
+  LogicalExpression: (target: es.LogicalExpression) => {
+    return ast.logicalExpression(
+      target.operator,
+      treeify(target.left) as es.Expression,
+      treeify(target.right) as es.Expression
+    )
+  },
+
+  UnaryExpression: (target: es.UnaryExpression): es.UnaryExpression => {
+    return ast.unaryExpression(target.operator, treeify(target.argument) as es.Expression)
+  },
+
+  ConditionalExpression: (target: es.ConditionalExpression): es.ConditionalExpression => {
+    return ast.conditionalExpression(
+      treeify(target.test) as es.Expression,
+      treeify(target.consequent) as es.Expression,
+      treeify(target.alternate) as es.Expression
+    )
+  },
+
+  CallExpression: (target: es.CallExpression): es.CallExpression => {
+    return ast.callExpression(
+      treeify(target.callee) as es.Expression,
+      target.arguments.map(arg => treeify(arg) as es.Expression)
+    )
+  },
+
+  FunctionDeclaration: (target: es.FunctionDeclaration): es.FunctionDeclaration => {
+    return ast.functionDeclaration(target.id, target.params, treeify(
+      target.body
+    ) as es.BlockStatement)
+  },
+
+  // CORE
+  FunctionExpression: (target: es.FunctionExpression): es.Identifier => {
+    return ast.identifier(target.id ? target.id.name : '=>')
+  },
+
+  Program: (target: es.Program): es.Program => {
+    return ast.program(target.body.map(stmt => treeify(stmt) as es.Statement))
+  },
+
+  BlockStatement: (target: es.BlockStatement): es.BlockStatement => {
+    return ast.blockStatement(target.body.map(stmt => treeify(stmt) as es.Statement))
+  },
+
+  ReturnStatement: (target: es.ReturnStatement): es.ReturnStatement => {
+    return ast.returnStatement(treeify(target.argument!) as es.Expression)
+  },
+
+  BlockExpression: (target: BlockExpression): es.BlockStatement => {
+    return ast.blockStatement(target.body.map(treeify) as es.Statement[])
+  },
+
+  // source 1
+  VariableDeclaration: (target: es.VariableDeclaration): es.VariableDeclaration => {
+    return ast.variableDeclaration(target.declarations.map(treeify) as es.VariableDeclarator[])
+  },
+
+  VariableDeclarator: (target: es.VariableDeclarator): es.VariableDeclarator => {
+    return ast.variableDeclarator(target.id, treeify(target.init!) as es.Expression)
+  },
+
+  IfStatement: (target: es.IfStatement): es.IfStatement => {
+    return ast.ifStatement(
+      treeify(target.test) as es.Expression,
+      treeify(target.consequent) as es.BlockStatement,
+      treeify(target.alternate!) as es.BlockStatement | es.IfStatement
+    )
+  },
+
+  // CORE
+  ArrowFunctionExpression: (target: es.ArrowFunctionExpression): es.Identifier => {
+    return ast.identifier('=>')
+  },
+
+  // source 2
+  ArrayExpression: (target: es.ArrayExpression): es.ArrayExpression => {
+    return ast.arrayExpression(target.elements.map(treeify) as es.Expression[])
+  }
+}
+
+function treeify(target: substituterNodes): substituterNodes {
+  const treeifier = treeifiers[target.type]
+  if (treeifier === undefined) {
+    return target
+  } else {
+    return treeifier(target)
+  }
+}
+
+export const codify = (node: substituterNodes): string => generate(treeify(node))
+
+// strategy: we remember how many statements are there originally in program.
+// since listPrelude are just functions, they will be disposed of one by one
+// we prepend the program with the program resulting from the definitions,
+//   and reduce the combined program until the program body
+//   has number of statement === original program
+// then we return it to the getEvaluationSteps
+function substPredefinedFns(program: es.Program, context: Context): [es.Program, Context] {
+  const originalStatementCount = program.body.length
+  let combinedProgram = program
+  if (context.prelude) {
+    // evaluate the list prelude first
+    const listPreludeProgram = parse(context.prelude, context)!
+    combinedProgram.body = listPreludeProgram.body.concat(program.body)
+  }
+  while (combinedProgram.body.length > originalStatementCount) {
+    // some bug with no semis
+    // tslint:disable-next-line
+    ;[combinedProgram] = reduce(combinedProgram, context) as [es.Program, Context]
+  }
+  return [combinedProgram, context]
+}
+
+function substPredefinedConstants(program: es.Program): es.Program {
+  const constants = [['undefined', undefined]]
+  const mathConstants = Object.getOwnPropertyNames(Math)
+    .filter(name => typeof Math[name] !== 'function')
+    .map(name => ['math_' + name, Math[name]])
+  let substed = program
+  for (const nameValuePair of constants.concat(mathConstants)) {
+    substed = substituteMain(
+      ast.identifier(nameValuePair[0] as string),
+      ast.literal(nameValuePair[1] as string | number) as es.Literal,
+      substed
+    ) as es.Program
+  }
+  return substed
+}
+
+// the context here is for builtins
+export function getEvaluationSteps(program: es.Program, context: Context): es.Program[] {
+  const steps: es.Program[] = []
+  try {
+    // starts with substituting predefined constants
+    let reduced = substPredefinedConstants(program)
+    // and predefined fns.
+    reduced = substPredefinedFns(reduced, context)[0]
+    while ((reduced as es.Program).body.length > 0) {
+      if (steps.length === 19999) {
+        steps.push(
+          ast.program([ast.expressionStatement(ast.identifier('Maximum number of steps exceeded'))])
+        )
+        break
+      }
+      steps.push(reduced as es.Program)
+      reduced = reduce(reduced, context)[0] as es.Program
+    }
+    return steps
+  } catch (error) {
+    context.errors.push(error)
+    return steps
+  }
+}
diff --git a/src/types.ts b/src/types.ts
index ab02d4566..b60eafbf6 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -155,3 +155,23 @@ export interface Directive extends es.ExpressionStatement {
   expression: es.Literal
   directive: string
 }
+
+/** For use in the substituter, to differentiate between a function declaration in the expression position,
+ * which has an id, as opposed to function expressions.
+ */
+export interface FunctionDeclarationExpression extends es.FunctionExpression {
+  id: es.Identifier
+  body: es.BlockStatement
+}
+
+/**
+ * For use in the substituter: call expressions can be reduced into an expression if the block
+ * only contains a single return statement; or a block, but has to be in the expression position.
+ * This is NOT compliant with the ES specifications, just as an intermediate step during substitutions.
+ */
+export interface BlockExpression extends es.BaseExpression {
+  type: 'BlockExpression'
+  body: es.Statement[]
+}
+
+export type substituterNodes = es.Node | BlockExpression
diff --git a/src/utils/astCreator.ts b/src/utils/astCreator.ts
index 516f99989..b90c8e2c5 100644
--- a/src/utils/astCreator.ts
+++ b/src/utils/astCreator.ts
@@ -1,5 +1,5 @@
 import * as es from 'estree'
-import { AllowedDeclarations } from '../types'
+import { AllowedDeclarations, BlockExpression, FunctionDeclarationExpression } from '../types'
 
 export const locationDummyNode = (line: number, column: number) =>
   literal('Dummy', { start: { line, column }, end: { line, column } })
@@ -94,6 +94,12 @@ export const blockStatement = (body: es.Statement[]): es.BlockStatement => ({
   body
 })
 
+export const program = (body: es.Statement[]): es.Program => ({
+  type: 'Program',
+  sourceType: 'module',
+  body
+})
+
 export const returnStatement = (
   argument: es.Expression,
   loc?: es.SourceLocation
@@ -170,7 +176,114 @@ export const assignmentExpression = (
   right
 })
 
+export const binaryExpression = (
+  operator: es.BinaryOperator,
+  left: es.Expression,
+  right: es.Expression,
+  loc?: es.SourceLocation
+): es.BinaryExpression => ({
+  type: 'BinaryExpression',
+  operator,
+  left,
+  right,
+  loc
+})
+
+export const unaryExpression = (
+  operator: es.UnaryOperator,
+  argument: es.Expression,
+  loc?: es.SourceLocation
+): es.UnaryExpression => ({
+  type: 'UnaryExpression',
+  operator,
+  prefix: true,
+  argument,
+  loc
+})
+
 // primitive: undefined is a possible value
 export const primitive = (value: any): es.Expression => {
   return value === undefined ? identifier('undefined') : literal(value)
 }
+
+export const functionDeclarationExpression = (
+  id: es.Identifier,
+  params: es.Pattern[],
+  body: es.BlockStatement,
+  loc?: es.SourceLocation
+): FunctionDeclarationExpression => ({
+  type: 'FunctionExpression',
+  id,
+  params,
+  body,
+  loc
+})
+
+export const functionDeclaration = (
+  id: es.Identifier | null,
+  params: es.Pattern[],
+  body: es.BlockStatement,
+  loc?: es.SourceLocation
+): es.FunctionDeclaration => ({
+  type: 'FunctionDeclaration',
+  id,
+  params,
+  body,
+  loc
+})
+
+export const blockExpression = (
+  body: es.Statement[],
+  loc?: es.SourceLocation
+): BlockExpression => ({
+  type: 'BlockExpression',
+  body,
+  loc
+})
+
+export const arrowFunctionExpression = (
+  params: es.Pattern[],
+  body: es.Expression | es.BlockStatement,
+  loc?: es.SourceLocation
+): es.ArrowFunctionExpression => ({
+  type: 'ArrowFunctionExpression',
+  expression: body.type !== 'BlockStatement',
+  generator: false,
+  params,
+  body,
+  loc
+})
+
+export const variableDeclaration = (
+  declarations: es.VariableDeclarator[],
+  loc?: es.SourceLocation
+): es.VariableDeclaration => ({
+  type: 'VariableDeclaration',
+  kind: 'const',
+  declarations,
+  loc
+})
+
+export const variableDeclarator = (
+  id: es.Pattern,
+  init: es.Expression,
+  loc?: es.SourceLocation
+): es.VariableDeclarator => ({
+  type: 'VariableDeclarator',
+  id,
+  init,
+  loc
+})
+
+export const ifStatement = (
+  test: es.Expression,
+  consequent: es.BlockStatement,
+  alternate: es.Statement,
+  loc?: es.SourceLocation
+): es.IfStatement => ({
+  type: 'IfStatement',
+  test,
+  consequent,
+  alternate,
+  loc
+})
diff --git a/src/utils/converter.ts b/src/utils/converter.ts
new file mode 100644
index 000000000..65e48e5d3
--- /dev/null
+++ b/src/utils/converter.ts
@@ -0,0 +1,24 @@
+import * as es from 'estree'
+import { mockContext } from '../mocks/context'
+import { parse } from '../parser'
+import { codify } from '../substituter'
+import { Context, substituterNodes } from '../types'
+import * as util from './substituter'
+import * as builtin from './substStdLib'
+
+// the value in the parameter is not an ast node, but a underlying javascript value
+// return by evaluateBinaryExpression and evaluateUnaryExpression.
+export function valueToExpression(value: any, context?: Context): es.Expression {
+  const programString = (typeof value === 'string' ? `"` + value + `"` : String(value)) + ';'
+  const program = parse(programString, context ? context : mockContext(2))!
+  return (program.body[0] as es.ExpressionStatement).expression
+}
+
+export function nodeToValue(node: substituterNodes): any {
+  return node.type === 'Literal'
+    ? node.value
+    : util.isBuiltinFunction(node)
+    ? builtin[(node as es.Identifier).name]
+    : // tslint:disable-next-line
+      eval(codify(node))
+}
diff --git a/src/utils/dummyAstCreator.ts b/src/utils/dummyAstCreator.ts
new file mode 100644
index 000000000..4265faaec
--- /dev/null
+++ b/src/utils/dummyAstCreator.ts
@@ -0,0 +1,165 @@
+import * as es from 'estree'
+import { BlockExpression } from '../types'
+
+const DUMMY_STRING = '__DUMMY__'
+const DUMMY_UNARY_OPERATOR = '!'
+const DUMMY_LOGICAL_OPERATOR = '||'
+const DUMMY_BINARY_OPERATOR = '+'
+
+export const dummyLocation = (): es.SourceLocation => ({
+  start: { line: -1, column: -1 },
+  end: { line: -1, column: -1 }
+})
+
+export const dummyIdentifier = (): es.Identifier => ({
+  type: 'Identifier',
+  name: DUMMY_STRING
+})
+
+export const dummyLiteral = (): es.Literal => ({
+  type: 'Literal',
+  value: DUMMY_STRING,
+  loc: dummyLocation()
+})
+
+export const dummyExpression = (): es.Expression => dummyLiteral() as es.Expression
+
+export const dummyCallExpression = (): es.CallExpression => ({
+  type: 'CallExpression',
+  callee: dummyExpression(),
+  arguments: [],
+  loc: dummyLocation()
+})
+
+export const dummyExpressionStatement = (): es.ExpressionStatement => ({
+  type: 'ExpressionStatement',
+  expression: dummyExpression(),
+  loc: dummyLocation()
+})
+
+export const dummyStatement = (): es.Statement => dummyExpressionStatement() as es.Statement
+
+export const dummyBlockStatement = (): es.BlockStatement => ({
+  type: 'BlockStatement',
+  body: [],
+  loc: dummyLocation()
+})
+
+export const dummyArrowFunctionExpression = (): es.ArrowFunctionExpression => ({
+  type: 'ArrowFunctionExpression',
+  expression: false,
+  generator: false,
+  params: [],
+  body: dummyBlockStatement(),
+  loc: dummyLocation()
+})
+
+export const dummyProgram = (): es.Program => ({
+  type: 'Program',
+  body: [],
+  loc: dummyLocation(),
+  sourceType: 'module'
+})
+
+export const dummyReturnStatement = (): es.ReturnStatement => ({
+  type: 'ReturnStatement',
+  argument: dummyExpression(),
+  loc: dummyLocation()
+})
+
+/*
+export const property = (): es.Property => ({
+  type: 'Property',
+  method: false,
+  shorthand: false,
+  computed: false,
+  key: dummyIdentifier(),
+  value: dummyExpression(),
+  kind: 'init'
+})
+
+export const objectExpression = (properties: es.Property[]): es.ObjectExpression => ({
+  type: 'ObjectExpression',
+  properties
+})
+
+export const mutateToCallExpression = (
+  node: es.Node,
+  callee: es.Expression,
+  args: es.Expression[]
+) => {
+  node.type = 'CallExpression'
+  node = node as es.CallExpression
+  node.callee = callee
+  node.arguments = args
+}
+*/
+
+export const dummyLogicalExpression = (): es.LogicalExpression => ({
+  type: 'LogicalExpression',
+  operator: DUMMY_LOGICAL_OPERATOR,
+  left: dummyExpression(),
+  right: dummyExpression(),
+  loc: dummyLocation()
+})
+
+export const dummyConditionalExpression = (): es.ConditionalExpression => ({
+  type: 'ConditionalExpression',
+  test: dummyExpression(),
+  consequent: dummyExpression(),
+  alternate: dummyExpression(),
+  loc: dummyLocation()
+})
+
+export const dummyArrayExpression = (): es.ArrayExpression => ({
+  type: 'ArrayExpression',
+  elements: []
+})
+
+export const dummyBinaryExpression = (): es.BinaryExpression => ({
+  type: 'BinaryExpression',
+  operator: DUMMY_BINARY_OPERATOR,
+  left: dummyExpression(),
+  right: dummyExpression(),
+  loc: dummyLocation()
+})
+
+export const dummyUnaryExpression = (): es.UnaryExpression => ({
+  type: 'UnaryExpression',
+  operator: DUMMY_UNARY_OPERATOR,
+  prefix: true,
+  argument: dummyExpression(),
+  loc: dummyLocation()
+})
+
+// primitive: undefined is a possible value
+export const dummyPrimitive = (): es.Expression => dummyLiteral()
+
+export const dummyFunctionExpression = (): es.FunctionExpression => ({
+  type: 'FunctionExpression',
+  id: dummyIdentifier(),
+  params: [],
+  body: dummyBlockStatement(),
+  loc: dummyLocation()
+})
+
+export const dummyFunctionDeclaration = (): es.FunctionDeclaration => ({
+  type: 'FunctionDeclaration',
+  id: dummyIdentifier(),
+  params: [],
+  body: dummyBlockStatement(),
+  loc: dummyLocation()
+})
+
+export const dummyBlockExpression = (): BlockExpression => ({
+  type: 'BlockExpression',
+  body: [],
+  loc: dummyLocation()
+})
+
+export const dummyVariableDeclarator = (): es.VariableDeclarator => ({
+  type: 'VariableDeclarator',
+  id: dummyIdentifier(),
+  init: dummyExpression(),
+  loc: dummyLocation()
+})
diff --git a/src/utils/substStdLib.ts b/src/utils/substStdLib.ts
new file mode 100644
index 000000000..7c3887de0
--- /dev/null
+++ b/src/utils/substStdLib.ts
@@ -0,0 +1,152 @@
+import * as es from 'estree'
+import * as misc from '../stdlib/misc'
+import { codify } from '../substituter'
+import { substituterNodes } from '../types'
+import * as ast from './astCreator'
+import { nodeToValue, valueToExpression } from './converter'
+import { isBuiltinFunction, isNumber } from './substituter'
+
+// define builtins that takes in AST, and return AST
+//
+// if (context.chapter >= 1) {
+//   defineBuiltin(context, 'runtime()', misc.runtime)
+export function runtime(): es.Literal {
+  return ast.literal(misc.runtime())
+}
+
+//   defineBuiltin(context, 'display(val)', display)
+//   ignore the "display" capability
+export function display(val: substituterNodes): substituterNodes {
+  return val
+}
+
+//   defineBuiltin(context, 'raw_display(str)', rawDisplay)
+//   defineBuiltin(context, 'stringify(val)', stringify)
+export function stringify(val: substituterNodes): es.Literal {
+  return ast.literal(codify(val))
+}
+
+//   defineBuiltin(context, 'error(str)', misc.error_message)
+export function error(val: substituterNodes, str?: substituterNodes) {
+  const output = (str === undefined ? '' : str + ' ') + stringify(val)
+  throw new Error(output)
+}
+
+//   defineBuiltin(context, 'prompt(str)', prompt)
+export function prompt(str: substituterNodes): es.Literal {
+  if (str.type !== 'Literal' || typeof str.value !== 'string') {
+    throw new Error('Argument to error must be a string.')
+  }
+  const result = window.prompt(str.value as string)
+  return ast.literal((result ? result : null) as string)
+}
+
+//   defineBuiltin(context, 'is_number(val)', misc.is_number)
+export function is_number(val: substituterNodes): es.Literal {
+  return ast.literal(isNumber(val))
+}
+
+//   defineBuiltin(context, 'is_string(val)', misc.is_string)
+export function is_string(val: substituterNodes): es.Literal {
+  return ast.literal(val.type === 'Literal' && misc.is_string(val.value))
+}
+
+//   defineBuiltin(context, 'is_function(val)', misc.is_function)
+export function is_function(val: substituterNodes): es.Literal {
+  return ast.literal(val.type.includes('Function') || isBuiltinFunction(val))
+}
+
+//   defineBuiltin(context, 'is_boolean(val)', misc.is_boolean)
+export function is_boolean(val: substituterNodes): es.Literal {
+  return ast.literal(val.type === 'Literal' && misc.is_boolean(val.value))
+}
+
+//   defineBuiltin(context, 'is_undefined(val)', misc.is_undefined)
+export function is_undefined(val: substituterNodes): es.Literal {
+  return ast.literal(val.type === 'Identifier' && val.name === 'undefined')
+}
+
+//   defineBuiltin(context, 'parse_int(str, radix)', misc.parse_int)
+export function parse_int(str: substituterNodes, radix: substituterNodes): es.Expression {
+  if (
+    str.type === 'Literal' &&
+    typeof str.value === 'string' &&
+    (radix.type === 'Literal' && typeof radix.value === 'number') &&
+    Number.isInteger(radix.value) &&
+    2 <= radix.value &&
+    radix.value <= 36
+  ) {
+    return valueToExpression(parseInt(str.value, radix.value))
+  } else {
+    throw new Error(
+      'parse_int expects two arguments a string s, and a positive integer i between 2 and 36, inclusive.'
+    )
+  }
+}
+
+//   defineBuiltin(context, 'undefined', undefined)
+//   defineBuiltin(context, 'NaN', NaN)
+//   defineBuiltin(context, 'Infinity', Infinity)
+//   // Define all Math libraries
+//   const props = Object.getOwnPropertyNames(Math)
+//   for (const prop of props) {
+//     defineBuiltin(context, 'math_' + prop, Math[prop])
+//   }
+// }
+// evaluateMath(mathFn: string, ...args: substituterNodes): substituterNodes
+export function evaluateMath(mathFn: string, ...args: substituterNodes[]): es.Expression {
+  const fn = Math[mathFn.split('_')[1]]
+  if (!fn) {
+    throw new Error(`Math function ${mathFn} not found.`)
+  } else if (args.some(arg => !isNumber(arg))) {
+    throw new Error(`Math functions must be called with number arguments`)
+  }
+  const jsArgs = args.map(nodeToValue)
+  return valueToExpression(fn(...jsArgs))
+}
+
+// if (context.chapter >= 2) {
+//   // List library
+//   defineBuiltin(context, 'pair(left, right)', list.pair)
+export function pair(left: substituterNodes, right: substituterNodes): es.ArrayExpression {
+  return ast.arrayExpression([left as es.Expression, right as es.Expression])
+}
+
+//   defineBuiltin(context, 'is_pair(val)', list.is_pair)
+export function is_pair(val: substituterNodes): es.Literal {
+  return ast.literal(val.type === 'ArrayExpression' && val.elements.length === 2)
+}
+
+//   defineBuiltin(context, 'head(xs)', list.head)
+export function head(xs: substituterNodes): es.Expression {
+  if (is_pair(xs).value === false) {
+    throw new Error(`${codify(xs)} is not a pair`)
+  }
+  return (xs as es.ArrayExpression).elements[0] as es.Expression
+}
+
+//   defineBuiltin(context, 'tail(xs)', list.tail)
+export function tail(xs: substituterNodes): es.Expression {
+  if (is_pair(xs).value === false) {
+    throw new Error(`${codify(xs)} is not a pair`)
+  }
+  return (xs as es.ArrayExpression).elements[1] as es.Expression
+}
+
+//   defineBuiltin(context, 'is_null(val)', list.is_null)
+export function is_null(val: substituterNodes): es.Literal {
+  return ast.literal(val.type === 'Literal' && val.value === null)
+}
+
+//   defineBuiltin(context, 'list(...values)', list.list)
+export function list(...values: substituterNodes[]): es.ArrayExpression {
+  let ret: es.Expression = ast.primitive(null)
+  for (const v of values.reverse()) {
+    ret = pair(v, ret)
+  }
+  return ret as es.ArrayExpression
+}
+//   defineBuiltin(context, 'draw_data(xs)', visualiseList)
+export function draw_data(xs: substituterNodes): es.Identifier {
+  return ast.primitive(undefined) as es.Identifier
+}
diff --git a/src/utils/substituter.ts b/src/utils/substituter.ts
new file mode 100644
index 000000000..5759a51aa
--- /dev/null
+++ b/src/utils/substituter.ts
@@ -0,0 +1,39 @@
+import { substituterNodes } from '../types'
+import * as builtin from './substStdLib'
+
+export function isBuiltinFunction(node: substituterNodes): boolean {
+  return (
+    node.type === 'Identifier' &&
+    // predeclared, except for evaluateMath
+    ((typeof builtin[node.name] === 'function' && node.name !== 'evaluateMath') ||
+      // one of the math functions
+      Object.getOwnPropertyNames(Math)
+        .filter(name => typeof Math[name] === 'function')
+        .map(name => 'math_' + name)
+        .includes(node.name))
+  )
+}
+
+export function isInfinity(node: substituterNodes): boolean {
+  return node.type === 'Identifier' && node.name === 'Infinity'
+}
+
+export function isPositiveNumber(node: substituterNodes): boolean {
+  return node.type === 'Literal' && typeof node.value === 'number'
+}
+
+export function isNegNumber(node: substituterNodes): boolean {
+  return (
+    node.type === 'UnaryExpression' &&
+    node.operator === '-' &&
+    (isInfinity(node.argument) || isPositiveNumber(node.argument))
+  )
+}
+
+export function isNumber(node: substituterNodes): boolean {
+  return isPositiveNumber(node) || isNegNumber(node)
+}
+
+export function isAllowedLiterals(node: substituterNodes): boolean {
+  return node.type === 'Identifier' && ['NaN', 'Infinity', 'undefined'].includes(node.name)
+}