import java.util.*;
import java.io.*;

class Box {
    protected int x;
    protected int y;
    protected int z;

    public Box(int d){
        this(d, d, d);
    }

    public Box(int a, int b, int c){
        this.x = a;
        this.y = b;
        this.z = c;
    }

    public String toString(){
        return "(" + this.x + ", " + this.y + ", " + this.z + ")";
    }
}

class SmallBox extends Box {
    public SmallBox(){
        super(1,1,1);
    }

    public String toString(){
        return super.toString();
    }
}
class LargeBox extends Box {
    public LargeBox(){
        super(1,1,1);
    }

    public void beProud(){
        System.out.println("Hello, I am a large box! Yoohooo :)");
    }

    public String toString(){
        return super.toString();
    }
}


public class Sandbox {

    public static void main(String args[]) {
        try {
            ArrayList<Box> boxes = new ArrayList<>();
            for(int i = 0; i < 10; ++i){
                if (Math.random() < 0.5){
                    boxes.add(new SmallBox());
                } else {
                    boxes.add(new LargeBox());
                }
            }

            for(int i = 0; i < boxes.size(); ++i){
                System.out.println(boxes.get(i).toString() + " ");
                if (boxes.get(i) instanceof LargeBox){
                    LargeBox lb = (LargeBox)boxes.get(i);
                    lb.beProud();
                }
            }


        } catch(Exception e){
            e.printStackTrace();
            System.out.println("Unexpected error, sorry!");
        }
    }
}