int main()
{
	unsigned * a=malloc(100000000*sizeof(unsigned)), * b=a+1, * c=a+2, * d=a+3;
	register unsigned x, y, z, w;
	register int i;
	for(i=0;i<6250000;i++)
	{
		x+=*a;
		a+=4;
		y+=*b;
		b+=4;
		z+=*c;
		c+=4;
		w+=*d;
		d+=4;
		x+=*a;
		a+=4;
		y+=*b;
		b+=4;
		z+=*c;
		c+=4;
		w+=*d;
		d+=4;
		x+=*a;
		a+=4;
		y+=*b;
		b+=4;
		z+=*c;
		c+=4;
		w+=*d;
		d+=4;
		x+=*a;
		a+=4;
		y+=*b;
		b+=4;
		z+=*c;
		c+=4;
		w+=*d;
		d+=4;
	}
	x+=(y+z+w);
}