Fish Movement using c in graphics

C Program

#include<stdlib.h>
#include<conio.h>
#include<dos.h>
#include<graphics.h>
#include<ctype.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();
}