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 s;
  cin >> s;
  cout << string(s.rbegin(), s.rend()) << endl;
  return 0;
}