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() {
  int n;
  cin >> n;
  long long m = pow(2, n);
  if (n >= 13) m = m - pow(2, n - 13) * 100;
  cout << m;
  return 0;
}