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