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

namespace PetsNumbers
{
    class Program
    {
        static void Main(string[] args)
        {

            int petNo = 0;
            Console.WriteLine("How many pets do you have?");
            string input = Console.ReadLine();
            switch (input.ToLower())
            {

                case "0":
                    Console.WriteLine("Maybe you will get some pets someday soon!");
                    break;
                case "1":
                    Console.WriteLine("Say hello to your special friend from Nick!");
                    break;
                case "2":
                    Console.WriteLine("Two is a nice number of pets!");
                    break;
                case "3":
                    Console.WriteLine("You must really like pets!");
                    break;
                case "4":
                    Console.WriteLine("Four is a lot of pets!");
                    break;
                default:
                    if (petNo < 0)
                    Console.WriteLine("That's not a valid number of pets!");
                    else
                    Console.WriteLine("You have so many pets!");
                    break;




            }


            Console.ReadLine();

        }
    }
}