main(argc,argv)
int argc ; char *argv[] ;
{
int j,k,n1,n2,n ;
char pic1[1024],pic2[1024],outpic[1024],*ipic1,*ipic2,*outp,num ;
n1= open(argv[1],0) ;
n2= open(argv[2],0) ;
while((n=read(n1,pic1,1024))>0) 
{
	read(n2,pic2,n) ;
	for(j= 1,ipic1= pic1,ipic2= pic2,outp= outpic;j<=n;j++)
		{
		*outp=(((*ipic1&0377)>(*ipic2&0377))?*ipic2:*ipic1);
		outp++;ipic1++;ipic2++ ;
		}
	write(1,outpic,n) ;
	}
}