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() {
  int n;
  cin >> n;
  long long ans;
  if (n < 13)
    ans = pow(2, n);
  else if (n == 13) {
    ans = 8092;
  } else
    ans = 8092 * pow(2, n - 13);
  cout << ans;
  return 0;
}