static void Main(string[] args)
{
FamilyPayCalculator calc = new FamilyPayCalculator();
Night night = new Night("6:00PM", "11:00PM");
Family family = new FamilyA();
Console.WriteLine(calc.CalculatePay(family, night));
Night night2 = new Night("7:00PM", "1:00AM");
Family familyB = new FamilyB();
Console.WriteLine(calc.CalculatePay(familyB, night2));
Night night3 = new Night("7:00PM", "1:00AM");
Family familyC = new FamilyC();
Console.WriteLine(calc.CalculatePay(familyC, night3));
}