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
# -*- coding: utf-8 -*-

import sys

def main():
    s = input()
    print(s[::-1])

if __name__ == '__main__':
    main()