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