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