static void Main(string[] args)
{
Telephone t1 = new Telephone("1"), t2 = new Telephone("2");
CallJournal n = new CallJournal();
t1.ObserveRegister(n);
t2.ObserveRegister(new FileJournal());
t1.UploadAccount(500);
t1.Calling(t2);
t1.Calling(t2);
t2.Calling(t1);
t2.Calling(t1);
t1.Calling(t2);
t1.Calling(t2);
t2.Calling(t1);
Console.ReadLine();
}