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>
int main() {
  int n;
  scanf("%d", &n);
  printf("%lld", (n < 13) ? (long long int)pow(2, n)
                          : (long long int)(pow(2, n) - pow(2, n - 13) * 100));
  return 0;
}