my $current = 11673326
    my ($next,@status);
    @status = <DATA>;
    $next = $current;
    foreach my $row (@status) 
    {
        chomp($row);
        if(looks_like_number($row) && $current < $row && ($next == $current || $next > $row)) {
            $next = $row;
        }
    }
    

__DATA__
11673326
11673329
11673325
11673330
11673321
11673335