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

def main():
    s = sys.stdin.readline().strip()
    rev_s = s[::-1]
    print(rev_s)

if __name__ == '__main__':
    main()