static void MainOLD()
{
Employees employees = new Employees();
Employee jesse = new DistributionManager();
Employee walt = new Cook();
IVisitor payRise = new IncomeVisitor();
IVisitor extraVacation = new VacationVisitor();
employees.Add(jesse);
employees.Add(walt);
employees.Accept(payRise);
walt.Accept(extraVacation);
}