static void Main(string[] args)
{
Employee e1 = new Employee(new Person("Sanjo", "Deundiak", new System.DateTime(1995, 1, 20)),
new System.DateTime(2014, 8, 22), new Position("CEO", Responsibility.Manager, 5000));
System.Console.WriteLine(e1.ToString());
System.Console.WriteLine(e1.Brief());
System.Console.ReadKey();
}
