class Pencil{
	String color;
	void write() {
		System.out.println(color+"연필로 적습니다.");
	}
}
class Eraser{
	String type;
	void eraser() {
		System.out.println(type+"지우개로 지웁니다.");
	}
}
class Pen{
	String color;
	String type;
	void write() {
		System.out.println("제조사가 " +type+"에"+color
		+"펜으로 적습니다.");
	}
}

public class Q2 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub		
		Pencil p1 = new Pencil();
		Pencil p2 = new Pencil();
		Pencil p3 = new Pencil();
		Pencil p4 = new Pencil();
		p1.color = "빨간";
		p2.color = "파란";
		p3.color = "주황";
		p4.color = "노란";
		
		Eraser e1 = new Eraser();
		Eraser e2 = new Eraser();
		e1.type = "잠자리";
		e2.type = "모닝글로리";
		
		Pen pen1 = new Pen();
		Pen pen2 = new Pen();
		Pen pen3 = new Pen();
		
		pen1.color="검정색";
		pen1.type="모나미";
		pen2.color="초록색";
		pen2.type="제트스트림";
		pen3.color="베이비블루";
		pen3.type="워터맨";
		
		p1.write();
		p2.write();
		p3.write();
		p4.write();
		
		e1.eraser();
		e2.eraser();
		
		pen1.write();
		pen2.write();
		pen3.write();
	}

}