import java.util.Scanner;

public class Main {
	public static void main(String... args) {
		Scanner scan = new Scanner(System.in);
		int k = scan.nextInt();
		int[] numbers = new int[] {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};

		System.out.println(numbers[k - 1]);
		scan.close();
	}
}
