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 str;
	std::cin >> str;
	for(int i = str.size() - 1; i > -1; --i)
		std::cout << str[i];
	std::cout << std::endl;
}