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 int n, q;
  while (cin >> n) {
    if (n <= 12) {
      q = pow(2, n);
      cout << q;
    } else if (n >= 13) {
      q = 8092 * pow(2, n - 13);
      cout << q;
    }
  }
}