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>

using namespace std;

int main(void){
	int i;
	string s;
	cin >> s;
	for(i = s.size() - 1;i >= 0;i--){
		cout << s[i];
	}
	cout << endl;
}