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
in_str = input().rstrip()
out_str = ""

for i in range(len(in_str)):
    out_str =  in_str[i] + out_str 

print(out_str)