public static void Main() { Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture; ShoppingCenter center = new ShoppingCenter(); StringBuilder answer = new StringBuilder(); int commands = int.Parse(Console.ReadLine()); for (int i = 1; i <= commands; i++) { string command = Console.ReadLine(); string commandResult = center.ProcessCommand(command); answer.AppendLine(commandResult); } Console.Write(answer); }