#include <bits/stdc++.h>
using namespace std;
int main() {
  int key[] = {1, 1, 1, 2, 1, 2, 1, 5, 2, 2, 1, 5, 1, 2, 1, 14, 1,
               5, 1, 5, 2, 2, 1, 1, 5, 2, 2, 5, 4, 1, 4, 1, 51};
  int K;
  cin >> K;
  cout << key[K - 1] << endl;
}
