typedef void (*Inst)();
#define guard(n) asm("#" #n)

Inst *ip;
extern Inst prog[];

#define NEXT ((*ip++)())

void next1()
{
  guard(1);
}

void next2()
{
  guard(2);
}

void next3()
{
  guard(3);
}

void next4()
{
  guard(4);
}

void next5()
{
  guard(5);
}

void loop()
{
  static int count=10000000;

  if (count<=0)
    exit(0);
  count--;
  ip=prog;
}

Inst prog[] = {next1,next2,next1,next3,next1,next4,next1,next5,next1,loop};

main()
{
  ip=prog;
  for (;;)
    NEXT;
}