Problem:
Reverse Sequence

Write a program which reverses a given string str.

Input

str (the size of str ≤ 20) is given in a line.

Output

Print the reversed str in a line.

Sample Input

w32nimda

Output for the Sample Input

admin23w

Solution in JavaScript (judge verdict: WA: Presentation Error)

function reve(s) {
  return s.split('').reverse().join('');
}
var input = require('fs').readFileSync('/dev/stdin', 'utf8');
console.log(reve(input));