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;
long long n, k;
int main() {
  cin >> n;
  if (n < 13) {
    k = pow(2, n);
  } else {
    k = 8092 * pow(2, n - 13);
  }
  cout << k;
  return 0;
}