($h,$w)=glob<>;
if($h&1){
	if($w&1){
		if($h==1){
			print 0,$/;
			print "@{[(0)x$w]}\n";
		}elsif($w==1){
			print 0,$/;
			print "0\n"x$h;
		}else{
			print +($h-1)*($w-1)+2,$/;
			print "@{[(1)x($w-1),0]}\n"x($h-2);
			print "@{[(1)x($w-2),0,1]}\n";
			print "@{[(0)x($w-2),1,1]}\n";
		}
	}else{
		print +($h-1)*$w,$/;
		print "@{[(1)x$w]}\n"x($h-1);
		print "@{[(0)x$w]}\n";
	}
}else{
	if($w&1){
		print $h*($w-1),$/;
		print "@{[(1)x($w-1),0]}\n"x$h;
	}else{
		print $h*$w,$/;
		print "@{[(1)x$w]}\n"x$h;
	}
}