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>-1;i--) cout << str[i];
 cout << endl;
 return 0;
}