#include<conio.h>
#include<graphics.h>
#include<stdio.h>
#include<dos.h>
int main(void)
 {
  int x=200,y=200;
  char c;
  int gdriver=DETECT,gmode;
  initgraph(&gdriver,&gmode,"");
  rectangle(20,460,600,20);
  setfillstyle(1,BLACK);
  do{
  c=getch();
  switch(c)
  {
  case 72: setcolor(BLACK); outtextxy(x,y,"*"); setcolor(RED); outtextxy(x,y-5,"*"); y-=5; break;
  case 75: setcolor(BLACK); outtextxy(x,y,"*"); setcolor(RED); outtextxy(x-5,y,"*"); x-=5; break;
  case 77: setcolor(BLACK); outtextxy(x,y,"*"); setcolor(RED); outtextxy(x+5,y,"*"); x+=5; break;
  case 80: setcolor(BLACK); outtextxy(x,y,"*"); setcolor(RED); outtextxy(x,y+5,"*"); y+=5; break;
 }
  }while( c!=27 && x>20 && x<600 && y>20 && y<460);
 return(0);
 }