#include <bits/stdc++.h>
using namespace std;
int main() {
  vector<int> vec;
  vec = {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};
  int in;
  cin >> in;
  cout << vec[in - 1] << endl;
}
