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
# Your code here!

s = list(input())
s.reverse()
for i in range(len(s)):
   print(s[i], end = "")
print("")
