import Employee;
import Manager;
import Worker;
import Contractor;


class D1
{
   public static void main (String[] args)
   {
      Employee[] e = new Employee[3];
      e[0] = new Manager ("111", "Wen", "Manager", 2500);
      e[1] = new Worker ("221", "Anil", 50, 20);
      e[2] = new Contractor ("444", "Li-Wei", "Anderson", 150, 50);


      for (int i=0; i<3; i++)
      {
         e[i].calculate();
         e[i].print();
      }
   }
}