#include <iostream>
using namespace std;

int main()
{
	int a[30] = { 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 num;
	cin >> num;
	cout << a[num - 1] << endl;



}