Moving Fish Animation in UsIng C/C++

#include<stdlib.h>
#include<dos.h>
#include<ctype.h>
#include<graphics.h>
#include<conio.h>
void main()
{
int gd=DETECT,gm;
int newx=0,newy=0,inc_y=5;
initgraph(&gd,&gm,"");
cleardevice ();
while (!kbhit())
{
ellipse(520-newx,200,30,330,90,30);
circle(450-newx,193,3);
line (430-newx,200,450-newx,200);
line (597-newx,185,630-newx,170);
line (597-newx,215,630-newx,227) ;
line (630-newx,170,630-newx,227);
line (597-newx,200,630-newx,200);
line (597-newx,192,630-newx,187);
line (597-newx,207,630-newx,213);
line (500-newx,190,540-newx,150+newy);
line (530-newx,190,540-newx,150+newy);
if (newx>=500)
newx=0;
if (newy>=82)
inc_y =-5;

newx=newx+5;
if(newy<=0)
inc_y=5;
newy=newy+inc_y;
delay(50);
cleardevice();
}
cleardevice();

}