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(){

	int i=0;
	char c,ca[20];
	
	while(cin>>c){
		ca[i++]=c;
	}
	while(i--){
		cout << ca[i];
	}
	cout << endl;
	return 0;
}