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() {
  long long n;
  scanf("%lld", &n);
  if (n < 13) {
    printf("%lld\n", (1LL << n));
  } else {
    printf("%lld\n", (((1LL << 13) - 100) << (n - 13)));
  }
  return 0;
}