public List <double> ReadRow(int countOfNumbers) { var text = Console.ReadLine(); if (text != null || text != "") { var matches = AhpBuilder.GetMatches(AhpBuilder.numMatcher, text); if (matches.Count != countOfNumbers) { Console.Write("Values not correct"); return(new List <double>()); } return(AhpBuilder.ConvertMatchesToDoubles(matches)); } else { Console.WriteLine("Exit program and enter again"); } return(new List <double>()); }