using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;


   class Program
   {
       static void Main(string[] args)
       {
           var suretu = "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 num = int.Parse(Console.ReadLine());
           string[] line = suretu.Split(', ');
         Console.WriteLine(line[num]);
       }
   }