public static void UseSystem()
        {
            InternalSystem system = new InternalSystem();

            Console.WriteLine("Employees to test login\n");

            Director Account1 = new Director("159.753.398-04");

            Account1.Name     = "Roberta Fierro";
            Account1.Password = "******";

            AccountManager Account2 = new AccountManager("326.985.628-89");

            Account2.Name     = "Camila Caballo";
            Account2.Password = "******";

            CommercialPartner Account3 = new CommercialPartner();

            Account3.Password = "******";

            Console.WriteLine("\nLogin status\n");

            system.Login(Account1, "123");
            system.Login(Account2, "abcd");
            system.Login(Account3, "456");
        }
        public static void UseInternalSystem()
        {
            InternalSystem internalSystem = new InternalSystem();

            Director robert = new Director("159.753.398-04");

            robert.Name     = "Robert";
            robert.Password = "******";

            AccountManager caroline = new AccountManager("326.985.628-89");

            caroline.Name     = "Caroline";
            caroline.Password = "******";

            CommercialPartner commercialPartner = new CommercialPartner();

            commercialPartner.Password = "******";

            internalSystem.LogInto(robert, "123");
            internalSystem.LogInto(caroline, "abc");
            internalSystem.LogInto(commercialPartner, "123456");
        }