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 sys


def str_reverse(str):
    r = []
    for c in str:
        r.insert(0, c)
    return "".join(r)


str = sys.stdin.readline().rstrip("\r\n")

print str_reverse(str)