static void Main(string[] args) { // Car car = new Car(); Parameters parameters = new Parameters(); //Engine information format: //“<Model> <Power> <Displacement>* <Efficiency>*”. // <Displacement>* <Efficiency>* int linesCount = int.Parse(Console.ReadLine()); for (int index = 0; index < linesCount; index++) { string[] EngineInfo = Console.ReadLine() .Split(new string[] { " " }, StringSplitOptions.RemoveEmptyEntries) .ToArray(); string engineModel = EngineInfo[0]; int enginePower = int.Parse(EngineInfo[1]); int displacement = 0; string efficiency = @"n/a"; if (EngineInfo.Length == 3) { bool isDisplacement = int.TryParse(EngineInfo[2], out displacement); if (!isDisplacement) { efficiency = EngineInfo[2]; } } else if (EngineInfo.Length == 4) { displacement = int.Parse(EngineInfo[2]); efficiency = EngineInfo[3]; } Engine engine = new Engine(engineModel, enginePower, displacement, efficiency); parameters.AddingEngineInformation(engine); } //Car information format: //“<Model> <Engine> <Weight>* <Color>*”. // <Weight>* <Color>*”. int carsCount = int.Parse(Console.ReadLine()); for (int index = 0; index < carsCount; index++) { string[] CarInformation = Console.ReadLine() .Split(new string[] { " " }, StringSplitOptions.RemoveEmptyEntries) .ToArray(); string carModel = CarInformation[0]; string carEngine = CarInformation[1]; int carWeight = 0; string carColor = @"n/a"; if (CarInformation.Length == 3) { bool IsWeight = int.TryParse(CarInformation[2], out carWeight); if (!IsWeight) { carColor = CarInformation[2]; } } else if (CarInformation.Length == 4) { carWeight = int.Parse(CarInformation[2]); carColor = CarInformation[3]; } List <Engine> engines = new List <Engine>(); foreach (var eng in parameters.Engine) { if (eng.EngineModel == carEngine) { Engine en = new Engine(eng.EngineModel, eng.EnginePower, eng.Displacement, eng.Efficiency); engines.Add(en); break; } } Car car = new Car(carModel, engines, carWeight, carColor); parameters.AddingCarInformation(car); } parameters.ToString(); //Output format: //<CarModel>: //< EngineModel >: // Power: < EnginePower > // Displacement: < EngineDisplacement > // Efficiency: < EngineEfficiency > //Weight: < CarWeight > //Color: < CarColor > }