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 -*-

s = str(input())
s = list(s)
x = [0]*len(s)
for i in range(len(s)):
    x[len(s)-i-1] = s[i]
for i in range(len(x)):
    print(x[i],end='')
print('')