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 <bits/stdc++.h>
using namespace std;

int main(void){
	string str;
	cin >> str;
	for(int i=static_cast<int>(str.size())-1;i>=0;i--)
		cout << str.at(i);
	cout << endl;
}