static void Main(string[] args) { try { var unsortedNumbers = BubbleSortHelper.GetUnsortedList(); Console.WriteLine("Unsorted List"); BubbleSortHelper.PrintNumbers(unsortedNumbers); var bubbleSortedNumbers = BubbleSortHelper.BubbleSort(unsortedNumbers); System.Console.WriteLine("Bubble sorted List"); BubbleSortHelper.PrintNumbers(bubbleSortedNumbers); } catch (Exception ex) { if (ex.Message.Contains("Input string was not in a correct format")) { Console.WriteLine("Please enusure you are entering number as input."); } } }