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
if __name__ == '__main__':
    # ???????????\???
    txt = input()

    # ?????¢??????
    txt = txt[::-1]

    # ???????????????
    print(txt)