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 stdIn = new Scanner(System.in);
		String str = stdIn.nextLine();
		
		for(int i=str.length()-1;i>=0;i--){
			System.out.print(str.charAt(i));
		}
		
		System.out.println();
	}
}