static void Main(string[] args)
{
var patient = new Patient("", "");
var department = new Department("");
var doctor = new Dentist("");
doctor.AddPatient(patient);
department.AddDoctor(doctor);
var insurance = new Insurance("");
var serviceType1 = new ServiceType("Plombing", "2231", 1000);
var serviceType2 = new ServiceType("Cleaning", "2231", 500);
var serviceList = new List <IServiceType> {
serviceType1, serviceType2
};
var policy = new Policy("xddf-23", "0032", insurance, serviceList, patient);
insurance.AddPolicy(policy);
doctor.MakeDiagnosis();
doctor.WriteAppointment();
insurance.Cost = policy.Cost();
var command = new PayCommand(department);
insurance.SetCommand(command);
insurance.Pay();
doctor.Healing();
insurance.RemovePolicy(policy);
Console.ReadLine();
}