

import java.util.* ;
import java.awt.* ;
import java.awt.event.* ;
import java.applet.Applet ;



class Node {
  double x, y  ;
  double r = 0 ;
  Color color  ;
  Node (){
  }
  Node (double x, double y, double r){
    this.x = x ;
    this.y = y ;
    this.r = r ;
  }
  Node( Node n ){
    this.x = n.x ;
    this.y = n.y ;
    this.r = n.r ;
    this.color = n.color ;
    this.r = n.r ;
  }
  Node (DPoint p , double r, Color color) {
    this.x = p.x ;
    this.y = p.y ;
    this.r = r ;
    this.color = color ;
  }


}


