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 sys

for line in sys.stdin:
    l = [ c for c in line.rstrip('\n') ]
    l.reverse()
    print ''.join(l)