static void Main(string[] args)
        {
            Tester             tester    = new Tester();
            IOManager          ioManager = new IOManager();
            StudentsRepository repo      = new StudentsRepository(new RepositoryFilter(), new RepositorySorter());

            CommandInterpreter currentInterpreter = new CommandInterpreter(tester, repo, ioManager);
            InputReader        reader             = new InputReader(currentInterpreter);

            reader.StartReadingCommnads();
        }
 static void Main(string[] args)
 {
     InputReader.StartReadingCommnads();
 }