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