Problem:
Score : 100 points

Problem Statement

You are given a string S of length 2 or 3 consisting of lowercase English letters. If the length of the string is 2, print it as is; if the length is 3, print the string after reversing it.

Constraints

The length of S is 2 or 3.

S consists of lowercase English letters.

Input

Input is given from Standard Input in the following format:

S

Output

If the length of S is 2, print S as is; if the length is 3, print S after reversing it.

Sample Input 1

abc

Sample Output 1

cba

As the length of S is 3, we print it after reversing it.

Sample Input 2

ac

Sample Output 2

ac

As the length of S is 2, we print it as is.

Solution in JavaScript (node.js v5.12) (judge verdict: Accepted)

function Main(input) {
    s = input.split("\n")[0];
    if (s.length % 2 == 0) console.log(s);
    else console.log(s.split('').reverse().join(''));
}
Main(require("fs").readFileSync("/dev/stdin", "utf8"));