#include<stdio.h>
using namespace std;

int main()
{
 int a[] = {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};
 int k;
  cin >> k;
  cout << a[k-1] << endl;
  return 0;
}