lab 4 balloons

void setup() {
  size(600, 600);
}
void draw() {
  background(160, 231, 231);
  int X = mouseX;
  int Y = mouseY;

  if (Y<50) {
    Y = 50;
    fill(225, 0, 0);
  }
  if (Y>500) {
    Y = 500;
    fill(0, 225, 0);
  }
  draw_balloon(X, Y);
}
void draw_balloon(int X, int Y) {
  int radius = 50;
  int string_length  = 80;
  int number = 10;
  int balloon = 0;
  int new_balloon = 0;

  while (balloon<number) {
    line(X+new_balloon, Y, X+new_balloon, Y + string_length);
    ellipse(X+new_balloon, Y, radius, radius);
    new_balloon=new_balloon+60;
    balloon=balloon+1;
  }
}