//ข้อสอบOOP การสืบทอด
public class Shape {
    private String name;
    public Shape (String name)
    {
        this.name = name;
    }
    public String getName() {
        return name;
    }
    public double getArea(){
        return 0;
    }
}

class Rectangular extends Shape {

     double Width;
     double Height;
     double Rec;

    public Rectangular(double Width, double Height,String name) {
        super(name);
        this.Width = Width;
        this.Height = Height;
        Rec=this.Width*Height;
    }

    public Rectangular(String name) {
        super(name);
    }

     @Override
   public double getArea()
   {
       return  Rec;
   }


}
class Main1
{
    public static void main(String[] args) {
        Rectangular R=new Rectangular(5, 7,"nadd");
        System.out.println(R.getName());
        System.out.println(R.Height+" "+R.Width+" ");
        System.out.println(R.getArea());
    }
}