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 int x, a[36], i;
  scanf("%lld", &x);
  a[0] = 1;
  for (i = 1; i <= 35; i++) {
    if (i == 13)
      a[i] = 2 * a[i - 1] - 100;
    else {
      a[i] = 2 * a[i - 1];
    }
  }
  printf("%lld\n", a[x]);
  return 0;
}