import java.util.ArrayList;

class Washer {

    ArrayList<Garment> contents;

    Washer() {
        this.contents = new ArrayList<Garment>();
    }

    void load(Garment g) {
        this.contents.add(g);
    }

    void pressStartButton() {
        for (int i=0; i<this.contents.size(); i++) {
            this.contents.get(i).wash();
        }
        for (int i=0; i<this.contents.size(); i++) {
            this.contents.get(i).rinse();
        }
    }

    ArrayList<Garment> unload() {
        ArrayList<Garment> stuff = this.contents;
        this.contents = new ArrayList<Garment>();
        return stuff;
    }
}