''=~(        '(?{'        .('`'        |'%')        .('['        ^'-')
    .('`'        |'!')        .('`'        |',')        .'"'.        '\\$'
    .'=='        .('['        ^'+')        .('`'        |'/')        .('['
    ^'+')        .'||'        .(';'        &'=')        .(';'        &'=')
    .';-'        .'-'.        '\\$'        .'=;'        .('['        ^'(')
    .('['        ^'.')        .('`'        |'"')        .('!'        ^'+')
   .'_\\{'      .'(\\$'      .';=('.      '\\$=|'      ."\|".(      '`'^'.'
  ).(('`')|    '/').').'    .'\\"'.+(    '{'^'[').    ('`'|'"')    .('`'|'/'
 ).('['^'/')  .('['^'/').  ('`'|',').(  '`'|('%')).  '\\".\\"'.(  '['^('(')).
 '\\"'.('['^  '#').'!!--'  .'\\$=.\\"'  .('{'^'[').  ('`'|'/').(  '`'|"\&").(
 '{'^"\[").(  '`'|"\"").(  '`'|"\%").(  '`'|"\%").(  '['^(')')).  '\\").\\"'.
 ('{'^'[').(  '`'|"\/").(  '`'|"\.").(  '{'^"\[").(  '['^"\/").(  '`'|"\(").(
 '`'|"\%").(  '{'^"\[").(  '['^"\,").(  '`'|"\!").(  '`'|"\,").(  '`'|(',')).
 '\\"\\}'.+(  '['^"\+").(  '['^"\)").(  '`'|"\)").(  '`'|"\.").(  '['^('/')).
 '+_,\\",'.(  '{'^('[')).  ('\\$;!').(  '!'^"\+").(  '{'^"\/").(  '`'|"\!").(
 '`'|"\+").(  '`'|"\%").(  '{'^"\[").(  '`'|"\/").(  '`'|"\.").(  '`'|"\%").(
 '{'^"\[").(  '`'|"\$").(  '`'|"\/").(  '['^"\,").(  '`'|('.')).  ','.(('{')^
 '[').("\["^  '+').("\`"|  '!').("\["^  '(').("\["^  '(').("\{"^  '[').("\`"|
 ')').("\["^  '/').("\{"^  '[').("\`"|  '!').("\["^  ')').("\`"|  '/').("\["^
 '.').("\`"|  '.').("\`"|  '$')."\,".(  '!'^('+')).  '\\",_,\\"'  .'!'.("\!"^
 '+').("\!"^  '+').'\\"'.  ('['^',').(  '`'|"\(").(  '`'|"\)").(  '`'|"\,").(
 '`'|('%')).  '++\\$="})'  );$:=('.')^  '~';$~='@'|  '(';$^=')'^  '[';$/='`';

##</code><code>##

'' =~ /(?{eval"\$==pop||99;--\$=;sub\n_\{(\$;=(\$=||No).\" bottle\".\"s\"x!!--\$=.\" of beer\").\" on the wall\"\}print+_,\", \$;!\nTake one down, pass it around,\n\",_,\"!\n\n\"while++\$="})/;
$: = 'P';
$~ = 'h';
$^ = 'r';
$/ = '`';

##</code><code>##

$:=('.')^  '~';

##</code><code>##

$: = 'P';

##</code><code>##

'' =~ /(?{print"\$==pop||99;--\$=;sub\n_\{(\$;=(\$=||No).\" bottle\".\"s\"x!!--\$=.\" of beer\").\" on the wall\"\}print+_,\", \$;!\nTake one down, pass it around,\n\",_,\"!\n\n\"while++\$="})/;
$: = 'P';
$~ = 'h';
$^ = 'r';
$/ = '`';

##</code><code>##

$==pop||99;--$=;sub
_{($;=($=||No)." bottle"."s"x!!--$=." of beer")." on the wall"}print+_,", $;!
Take one down, pass it around,
",_,"!

"while++$=