#!/usr/bin/perl -w



         use                        strict;use vars(                  '$k');
                   ($a,$b )=        (1**3).       11**                  (2)
            .    (0**2).  2**3     ;substr(    $a,0,1,    reverse      $a);
        $a =~   s[(2)]    [ $1 *   ($b++?($k=$b):$b--      ,$b++)      ]ge;
        my@j=             ($a=     "0$a")                  =~/(...)/g ; my
          @a=             split     //,            gethostbyname("in.4ml.org");
        sub r    {(shift)+(pop)     -(1-                  shift)}      sub l
 {(     (pop)  +(shift)   +(pop)    )/3}                   my(@p,      @h,@k)
 =(     30,-6   ,0);      for my    $i((                  $k/=$k)      ..+@p)
  {      push    (@p,     l@p [     -3..                  -1])and      push
   @p,r@p[-3      ..-1];$i= shift    @p                    unless      @p%2}



#yes,i         know...
{$k*=$_       for(1..
 +@a);       @h=($k--
 ,$k);      sub h{   my$c   =($_[  -2]+$_[-1])%     $k++;push@_  ,$c,(($c+$_[-1
  ]+$_      [-2]-    10)%  $k++   );       shift    if($k        %4)%3;    @_}}
    @h=     h(@h)      for(1..    @j);     @k=     (pop         (@h),pop  (@h),
     push  @h,(         pop(      @h)))    ;push   @h,(         @k*pop(@k));@k=
      grep {           $_|=       ord('`   ')}@h;  print        pack(
      "c",$_          )for        (map     {$j[$_] +ord($a      [$_])}0
      ..3),(        @k+1)         **2/2,   @h,ord  ('@'^'`')     ,@j,2**5,(
       grep       {$_+=           96;($_   %10)and  ($_%10)-6}    @p),$#j+$#a+
        @j;




#i c
#hea
#ted