Bummer error about the prompt

using System;

namespace Treehouse.CodeChallenges
{
    class Program
    {
        static void Main()
        {
            int count = -1;
            while(count < 0)
            {
                try
                {
                    Console.WriteLine("Enter the number of times to print \"Yay!\"");
                    string input = Console.ReadLine();
                    count = int.Parse(input);
                }
                catch (Exception e)
                {
                    Console.WriteLine("ERROR: The input was not a whole number.");
                }

                if(count < 0)
                Console.WriteLine("You must enter a positive number.");
                }

                while (count > 0)
                {
                    count--;
                    Console.WriteLine("Yay!");
                }       
        }
    }
}