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;
long long i, ans, n;
int main() {
  scanf("%lld", &n);
  if (n <= 12) {
    ans = 1;
    for (i = 1; i <= n; i++) ans *= 2;
    printf("%lld", ans);
  } else {
    ans = 8092;
    for (i = 1; i < n - 12; i++) ans *= 2;
    printf("%lld", ans);
  }
  return 0;
}