Problem: 

Input

The input contains a single integer a (0 ≤ a ≤ 35).

Output

Output a single integer.

Examples

Input

3


Output

8


Input

10


Output

1024

Solution (in CPP):

Solution:
#include <bits/stdc++.h>
using namespace std;
int main() {
  long long tem, n, m, ans;
  while (cin >> n) {
    if (n > 12)
      ans = pow(2, n) - (pow(2, n - 11) * 25);
    else
      ans = pow(2, n);
    cout << ans << "\n";
  }
}