Fix huge numbers in Challenge 8 (now it passes submit case :)

Author: kutyel

Challenge 08/output.txt

@@ -2,7 +2,8 @@
 
 const fs = require('fs')
 const input = './submitInput.txt'
-const output = './output.txt'
+const output = './submitOutput.txt'
+const bigInt = require('big-integer')
 const utf16ToASCII = require('./unicode')
 
 fs.unlink(output, err => err && console.error(err))
@@ -13,9 +14,12 @@ function stringToHex (s) {
   // First, turn the string into decimal numbers
   const a = utf16ToASCII(s)
   // Second, parse the string to Number
-  const n = Number(a)
-  // Third, return the hex version of the number
-  return isNaN(n) ? 'N/A' : n.toString(16)
+  try {
+    // Third, return the hex version of the number
+    return bigInt(a).toString(16)
+  } catch (err) {
+    return 'N/A'
+  }
 }
 
 fs.readFileSync(input, 'utf16le').toString().split('\n').forEach((num, t) => {