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
string = list(input())
rev_str = [0 for i in range(len(string))]

for i in range(len(string)):
    rev_str[i] = string[len(string) - i - 1]
   
print("".join(rev_str))