import java.util.*;
import java.io.*;
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 n = sc.nextInt();
                 System.out.println(a[n-1]);
}
}
