Problem:
Score : 100 points

Problem Statement

You are given a string S of length 2 or 3 consisting of lowercase English letters. If the length of the string is 2, print it as is; if the length is 3, print the string after reversing it.

Constraints

The length of S is 2 or 3.

S consists of lowercase English letters.

Input

Input is given from Standard Input in the following format:

S

Output

If the length of S is 2, print S as is; if the length is 3, print S after reversing it.

Sample Input 1

abc

Sample Output 1

cba

As the length of S is 3, we print it after reversing it.

Sample Input 2

ac

Sample Output 2

ac

As the length of S is 2, we print it as is.

Solution in PyPy3 (2.4.0) (judge verdict: Accepted)

###template###
import sys
inp = sys.stdin.readline
def input(): return inp().rstrip()
def mi(): return map(int, input().split())
###template###

s = input()

if len(s)==2: print(s)
else: print(s[::-1])