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