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;
signed main() {
  long long n;
  cin >> n;
  if (n > 12)
    cout << (long long)pow(2, n) - 100 * (long long)pow(2, n - 13);
  else
    cout << (long long)pow(2, n);
  return 0;
}