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, s, i, j, k, cnt = 1;
  cin >> n;
  s = pow(2, n);
  if (n >= 13) {
    i = n - 13;
    j = pow(2, i);
    s = pow(2, n) - 100 * j;
  }
  cout << s << endl;
}