#include <bits/stdc++.h>
using namespace std;
int main(void) {
  int a[32] = {1, 1, 1, 2, 1, 2, 1,  5, 2, 2, 1, 5, 1, 2, 1, 14,
               1, 5, 1, 2, 2, 1, 15, 2, 2, 5, 4, 1, 4, 1, 4, 51};
  int K;
  cin >> K;
  K--;
  cout << a[K] << '\n';
  return 0;
}
