Try/Catch exercise.

using System;

namespace Treehouse.CodeChallenges
{
    class Program
    {
        static void Main()
        {
            Try
            {           
                Console.Write("Enter the number of times to print \"Yay!\": ");
                string input = Console.ReadLine();

                int count = int.Parse(input);

                int i = 0;
                while(i < count)
                {
                    i += 1;   
                    Console.WriteLine("Yay!");
                }
            }

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

        }
    }
}