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
# -*-coding:utf-8
#????????????????????§??¨???

def main():

    line = input()
    print(line[::-1])

if __name__ == '__main__':
    main()