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.*;

public class Main {
	public static void main(String[] args) {

		//input
		Scanner sc = new Scanner(System.in);
		String s,r = "";
		s = sc.next();
        for(int i=s.length()-1;i>=0;i--){
        	 r += String.valueOf(s.charAt(i));
        }
		
         //output
         System.out.println(r);
	}
}