static void Main(string[] args)
{
Pupil vasya = new BadPupil();
Pupil fedya = new GoodPupil();
Pupil dosya = new ExcelentPupil();
ClassRoom Class_A = new ClassRoom(vasya, fedya);
}
static void Main(string[] args)
{
Pupil one = new ExcellentPupil();
Pupil ender = new GoodPupil();
ClassRoom classs = new ClassRoom(one, ender);
classs.Study();
Console.WriteLine(new string('-', 30));
classs.Read();
Console.WriteLine(new string('-', 30));
classs.Write();
Console.WriteLine(new string('-', 30));
classs.Relax();
Console.WriteLine(new string('-', 30));
Console.Read();
}