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 main():
    l = []

    str = input()
    str = str[::-1]

    print(str)

if __name__ == "__main__":
    main()
