#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int n;
  cin >> n;
  int arr[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};
  cout << arr[n - 1];
  return 0;
}
