static public void Run()
{
Console.WriteLine("------------Visitor------------");
Club club = new Club();
club.Add(new Footballer {
Salary = 100
});
club.Add(new Footballer {
Salary = 200
});
club.Add(new Manager {
Salary = 10
});
club.Accept(new SendOnVacation());
club.Accept(new RaiseSalary());
}