import java.util.*;
public class Main {
	static 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};
 public static void main(String args[])
 {
	 Scanner input=new Scanner(System.in);
	 int k=input.nextInt();
	 System.out.println(a[k-1]);
 }
}
