C program for Bubble coming out of a bottle

Program: Bubble coming out of a bottle.
Language : C

Computer Graphics
#include<stdio.h>
#include<math.h>
#include<conio.h>
#include<graphics.h>
void main()
{
int i;
int gd=DETECT,gmode;
initgraph(&gd,&gmode,"");
for(i=0;i<300;i+=5)
{
    ellipse(300,400,0,360,50,10);
    line(250,400,250,275);
    line(350,400,350,275);
    ellipse(300,200,0,360,20,5);
    line(280,240,280,200);

    line(320,240,320,200);
    line(250,275,280,240);
    line(350,275,320,240);
    circle(300,225-i,2);
    circle(290,225-i,5);
    circle(305,200-i,7);
    circle(310,275-i,9);
    delay(100);
    cleardevice();
   }
getch();
closegraph();
}