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>

using namespace std;

int main() {
	string str;
	cin >> str;

	int i = str.length() - 1;

	for (; i >= 0; i--) {
		cout << str[i];
	}
	cout << endl;
}