type 3

public interface Clothes {

    float Costprice () ;
}
public class Jacket implements Clothes {

    private String manufacturer, style;
    protected int hours;
    private String season;
    private boolean hood;

    public Jacket(String manufacturer, String style, int hours, String season, boolean hood) {
        this.manufacturer = manufacturer;
        this.style = style;
        this.hours = hours;
        this.season = season;
        this.hood = hood;
    }

    public float Costprice() {
        return hours * 3;
    }
}
public class Windcheater extends Jacket {

    private int sleevelength;

    public Windcheater(String manufacturer, String style, int hours, String season, boolean hood, int sleevelength) {
        super(manufacturer, style, hours, season, hood);
        this.sleevelength = sleevelength;
    }

    public float Costprice() {
        return hours * 2;
    }
}
public class Main {
    public static void main(String[] args) {

        Windcheater windcheater[] = new Windcheater[5];
        for(int i = 0; i < 5; i++) {
            windcheater[0] = new Windcheater("Nike", "casual", 2, "spring", true, 67);
            windcheater[1] = new Windcheater("Adidas", "casual", 3, "fall", false, 65);
            windcheater[2] = new Windcheater("Nike", "casual", 1, "spring", true, 70);
            windcheater[3] = new Windcheater("Puma", "casual", 3, "winter", true, 68);
            windcheater[4] = new Windcheater("New Balance", "casual", 2, "fall", true, 67);
        }
        float costpriceAll = (windcheater[0].Costprice() + windcheater[1].Costprice() + windcheater[2].Costprice() + windcheater[3].Costprice() +
                windcheater[4].Costprice()) / 5;

        System.out.println(costpriceAll);
    }
}