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;

class Main{
  public static void main(String[] args){
    String str = new Scanner(System.in).next();
    StringBuffer stb = new StringBuffer(str);
    System.out.println(stb.reverse().toString());
  }
}