use warnings;
use strict;
use XML::Twig;

my $twig = new XML::Twig;

$twig->parse (do {local $/; <DATA>});

for ($twig->descendants ('Hotel'))
  {
  my $Hotel_name = $_->{'att'}{'name'} || $_->text;
  next if ! defined $Hotel_name;
  
  my $Hotel_id = $_->{'att'}{'ID'};
  print "($Hotel_id) " if defined $Hotel_id;
  print "$Hotel_name\n";
  }

__DATA__
<all>
<Hotel>Marriott</Hotel>
<Hotel ID = "123" name = "Savoy"></Hotel>
</all>

##</code><code>##

Marriott
(123) Savoy