Problem:
Reverse Sequence

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.

Sample Input

w32nimda

Output for the Sample Input

admin23w

Solution in Python3 (judge verdict: WA: Presentation Error)

a=list(input())
a.reverse()
for i in a:
    print(i,end='')