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__":
    while True:
        try:
            #a, b = sorted(map(int, input().strip("\n").split(" ")), reverse=True)
            #str = input()
            #rts = str[::-1]
            #print(str)
            #print(rts)
            print(input()[::-1])

        except EOFError:
            break  # escape from while loop