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() {
  unsigned long long x;
  cin >> x;
  if (x < 13) {
    cout << pow(2, x);
    return 0;
  }
  int y = 35 - x, u = pow(2, y);
  cout << 33940307968 / u;
}