class Circle{
                int radius;
                int centerx;
                int centery;

     public Circle (int r, int cx, int cy){
              radius =r;
              centerx = cx;
              centery = cy;
      }

    public Circle(int r){
       radius =r;
       centerx = 0;
       centery = 0;
   }

    public int getRadius() {
      return(radius);
   }

  public void setRadius(int r){

     radius = r;
 }
 

    float area(){
      float area;
      area = 3.14f * radius;
      return(area);
   }

}
 
class Example19{

 
 
   public static void main(String[] args){
 

       Circle c = new Circle(5 );
       System.out.println( c.area());

       Circle(7);

       Circle q = new Cirlce(8);
       Circle m = new Circle(c.getRadius() + q.getRadius());
        q.setRadius(10);
 
     Circle p = new Circle(5,9,3);
     System.out.println(p.area());

  }
} //end class Example19