#include <bits/stdc++.h>
using namespace std;
const long long maxn = 3e5 + 1;
long long a[32] = {1, 1, 1, 2, 1, 2, 1, 5,  2, 2, 1, 5, 1, 2, 1, 14,
                   1, 5, 1, 5, 2, 2, 1, 15, 2, 2, 5, 4, 1, 4, 1, 51};
signed main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  sort(a, a + 32);
  long long k;
  cin >> k;
  cout << a[k - 1];
  return 0;
}
