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

line = input()
for k in range(0, len(line)):
    print(line[len(line) - k - 1], end="")
print("")