public enum SeatTypes
{
    casual,
    premium,
    business
}

public class Seat
{
    public int SeatNumber {get;set;}
    public bool IsReserved {get;set;}
    public string Mark {get;set;    }
    public SeatTypes SeatType {get;set;}

    public Seat()
    {
        
    }
    public Seat(int seatNumber, string mark = "NoName", SeatTypes type = SeatTypes.casual)
    {
        SeatNumber = seatNumber;
        IsReserved = false;
        Mark = mark;
        SeatType = SeatType;

    
    }
    public void Reserve()
    {
        IsReserved = true;
        System.Console.WriteLine($"Miejsce {SeatNumber} zosatlo zarezerwowane ");
    }

    public void CancelReservation()
    {
        IsReserved = false;
        System.Console.WriteLine($"Rezerwacja {SeatNumber} zosatlo  ");
    }
}