import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		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 };
		Scanner sc = new Scanner(System.in);
		int b = sc.nextInt() - 1;
		System.out.println(a[b]);

	}
}