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(void)
{
	string str;

	cin >> str;

	for (int i = str.size() -1; i >= 0 ; i--) cout << str[i];
	cout << endl;
	
	return 0;
}