My code will run in the workspaces but i keep getting the error "Bummer! Did you catch FormatException thrown by int.Par

using System;

namespace Treehouse.CodeChallenges
{
    class Program
    {
        static void Main()
        {
            Console.Write("Enter the number of times to print \"Yay!\": ");    
                var entry = Console.ReadLine();
                var number = int.Parse(entry);
                var count = 1;

            try
            {
                while(count<=number)
                {
                 if (number<=0 && count<=0)
                    {
                        Console.WriteLine("You must enter a whole number");
                        break;
                    }    
                else if (count>0)
                    {
                        Console.WriteLine("Yay");
                        count += 1;

                    }
                }
             }
             catch(FormatException)
                {
                    Console.WriteLine("You must enter a whole number.");  
                }
        }
    }
}