($h,$w)=<>=~/\d+/g;
for$y(1..$h){
	@f{map"$_,$y",1..$w}=<>=~/\d/g;
}

sub f{
	my($x,$y)=@_;
	if($x>0&&$x<=$w&&$y>0&&$y<=$h){
		if($f{"$x,$y"}==$c){
			$f{"$x,$y"}=$d;
			++$t;
			f($x-1,$y);
			f($x+1,$y);
			f($x,$y-1);
			f($x,$y+1);
		}
	}
}

for(1..<>){
	($y,$x,$d)=<>=~/\d+/g;
	if(!$n && $f{"$x,$y"}!=$d){
		$t=0;
		$c=1-$d;
		f($x,$y);
		if($t==$h*$w){
			$n=1;
		}
	}
}

if($n){
	for$y(1..$h){
		print join($",($d)x$w),$/;
	}
}else{
	for$y(1..$h){
		print join($",@f{map"$_,$y",1..$w}),$/;
	}
}