import java.util.*;
 
public class Main{
  public static void main(String args[]){
    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};
    Scanner scan = new Scanner(System.in);
    int n = scan.nextInt();
    System.out.plintln(a[n]);
  }
}