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
import re
a=input()
n=len(a)
s=0
for i in range(n):
    print(a[n-1-i],end='')
print("")
