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