c# Basics Final error

using System;

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

            int numTimes =0;

            try {
                   numTimes = int.Parse(Console.ReadLine());

            }

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

            finally
            {
                if(numTimes <= 0)
                {
                    Console.WriteLine("You must enter a positive number.");
                }
            }


            int counter =0;
            while(counter != numTimes)
            {
                Console.WriteLine("Yay!");
                counter += 1;
            }

        }
    }
}