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.Scanner;
import java.lang.StringBuffer;

class Main{
    public static void main(String[] args){
        Scanner in = new Scanner(System.in);
        StringBuffer sb = new StringBuffer(in.nextLine());
        System.out.println(sb.reverse().toString());
    }
}