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
#include <iostream>
#include <string>
int main() {
	std::string s;
	std::cin>>s;
	std::cout<<std::string(s.rbegin(), s.rend())<<std::endl;
}