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-mcs 6.8.0.105) (judge verdict: Accepted)

public class Hello{
    public static void Main(){
        // Your code here!
        var str = System.Console.ReadLine();
        if(str.Length==3){
            for(int i=2; i>=0; i--){
                System.Console.Write(str[i]);
            }
            System.Console.Write("\n");
        }else{
            System.Console.WriteLine(str);
        }
    }
}