formatexception

using System;

namespace Treehouse.CodeChallenges
{
    class Program
    {
        static void Main()
        {
            var x = 0;           
            while (true)
            {
                            //Prompt user for how many yays they want
                            Console.Write("Enter the number of times to print \"Yay!\": ");
                            //Store the answer they put in the variable numberYays
                            var answer = Console.ReadLine();
                            var numberYays = 0;
                            try
                            {
                                //converting a string into a integer
                                numberYays = int.Parse(answer);
                            }  
                            catch(FormatException) 
                            {
                                Console.WriteLine("You must enter a whole number.");   
                                continue;
                            }

                            if(numberYays <= 0)
                            {
                                Console.WriteLine(numberYays + " is not an acceptable value.");
                                continue;
                             }


                             //this is the beginning of my while loop to restart asking how many yays they want.
                            while (numberYays > x)
                            {
                                Console.WriteLine("Yay!");
                                x ++;

                            }   
                break;
            }        
        }
    }
}