public abstract class Shape {
    private int x, y;
    public Shape (int a, int b){
        this.x = a;
        this.y = b;
    }
    public int getX(){
        return this.x;
    }
    public int getY(){
        return this.y;
    }
    public abstract double  getArea();
    public abstract double  getVolume();
    public abstract String  getName();
}