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