interface IWorker
{
    void DisplayInformationWorker();
}
class Worker : IWorker
{
    private string FirstName, LastName, Degree;

    public Worker(string firstname, string lastname, string degree)
    {
        FirstName = firstname;
        LastName = lastname;
        Degree = degree;
    }

    public void DisplayInformationWorker()
    {
        Console.WriteLine(FirstName + " " + LastName + " " + Degree);
    }
}
class Manager : IWorker
{
    private string FirstName, LastName, Degree;
    private List<IWorker> workers = new List<IWorker>();

    public Manager(string firstname, string lastname, string degree)
    {
        FirstName = firstname;
        LastName = lastname;
        Degree = degree;
    }

    public void AddWorker(IWorker worker)
    {
        workers.Add(worker);
    }

    public void DisplayInformationWorker()
    {
        Console.WriteLine("Podwładni kierownka: "+FirstName+" "+LastName);
        foreach(IWorker worker in workers)
        {
            worker.DisplayInformationWorker();
        }
    }
}