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

def reverseString(s):
        return s[::-1]


while True:
    try:
        s = str(input())
        s = reverseString(s)
        print(s)
    except:
        break
