private static void Main(string[] args)
{
Account newAccount1 = new Account("Zlata", "Zueva", new BaseGradation());
newAccount1.PutMoney(12.90);
Console.WriteLine(newAccount1.Bonus);
newAccount1.PutMoney(50.10);
newAccount1.TakeMoney(10.30);
Console.WriteLine(newAccount1.Amount);
Account newAccount2 = new Account(newAccount1.Number, "Alexander", "Azarov", newAccount1.Amount, newAccount1.Bonus, new GoldGradation());
newAccount2.PutMoney(11);
Account newAccount3 = newAccount2.CreateNewAccount(new PlatinumGradation());
Console.WriteLine(newAccount3.Bonus);
newAccount3.CloseAccount();
Console.ReadLine();
}