import java.util.*;
import java.math.*;

public class Main {
	public static int x, maxn, d;
	public static void main(String ards[])
	{
		Scanner cin = new Scanner(System.in);
		int[] a = 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};
		int k = cin.nextInt();
        System.out.println(a[k-1]);
	}
}