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.*;class Main{public static void main(String[]a){System.out.println(new StringBuffer(new Scanner(System.in).next()).reverse());}}