import java.util.*;

public class Main {


    public static void main(String[] args){

        Scanner sc = new Scanner(System.in);

        int[] arr = {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 = sc.nextInt();

        System.out.print(arr[k-1]);


    }
}

