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 res;
  int n;
  scanf("%d", &n);
  if (n <= 12)
    res = pow(2, n);
  else
    res = 8092 * pow(2, n - 13);
  printf("%I64d\n", res);
  return 0;
}