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 C# (Mono 4.6.2.0) (judge verdict: Accepted)

using System;

namespace myApp
{
    class Program
    {
        static void Main(string[] args)
        {
            string line = Console.ReadLine();
            if (line.Length == 2) {
                Console.WriteLine(line);
            } else {
                char[] temp = line.ToCharArray();
                Array.Reverse(temp);
                Console.WriteLine(new string(temp));
            }
        }
    }
}