try-catch C# Fundamentals

using System;
namespace ConsoleApp8
{
    class Program
    {
        static void Main(string[] args)
        {
            int number = 0;
            while (true)
            {
                try
                {
                    number = int.Parse(Console.ReadLine());
                    Console.WriteLine("It is a number.");
                    break;
                }
                catch (Exception ex)
                {
                    Console.WriteLine("Invalid input!");
                    break; // without break it will wait for another number
                    // throw; - showing the exception/error
                }
            }
        }
    }
}