ind 3

abstract class plane {
    private String name;
    private int crew;
    private int year;

    public String getName(){
        return name;
    }

    public int getYear(){
        return year;
    }

    public int getCrew(){
        return crew;
    }

    public void setName(String name){
        this.name = name;
    }

    public void setYear(int year){
        this.year = year;
    }

    public void setCrew(int crew){
        this.crew = crew;
    }
}

public class Passenger extends plane{
    private int people_amount;
    private int people_max;

    Passenger(String name, int year, int crew, int people_amount,int people_max){
        setName(name);
        setYear(year);
        setCrew(crew);
        this.people_amount = people_amount;
        this.people_max = people_max;
    }

    int getPeople_amount(){
        return people_amount;
    }

    int getPeople_max(){
        return people_max;
    }

}

public class Cargo extends plane{
    private double load;
    private double max_load;

    Cargo(String name, int year, int crew,double load,double max_load){
        setName(name);
        setYear(year);
        setCrew(crew);

        this.load = load;
        this.max_load = max_load;
    };

    double getLoad(){
        return load;
    }

    double getMax_load(){
        return max_load;
    }
}