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.

Example

Input

w32nimda


Output

admin23w
import java.util.*;
import java.math.*;

public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        StringBuffer a = new StringBuffer(sc.next());
        System.out.println(a.reverse());

    }
}