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(void){
  string a;
  cin >> a;

  for(int i = a.length() - 1;0<=i;i--) cout << a.at(i);
  cout << endl;

  return 0;
}