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.*;
/*
Main class for AOJ where there is no input.
*/
public class Main{
   public static void main(String[] args){
      Scanner sc = new Scanner(System.in);
      String str = sc.nextLine();
      
      for(int i = str.length() - 1; i >= 0; i --){
         System.out.print(str.charAt(i));
      }
      System.out.println();
   
   }//main
}//class