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;

public class Main {
	public static void main(String[] args){
    	Scanner sc = new Scanner(System.in);
        String str = sc.next();
        for (int i = str.length() - 1; i >= 0; i--) {
        	System.out.print(str.charAt(i));
		}
        System.out.println();
    }
}
