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(){

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

    return 0;
}