(*Q);q!*)open(**)String;;open(**)Char;;let(p)=print_string;;let(n)=3-2;;let(z)=2-2;;let(**)t(a,b)=sub(a)
b((length(a))-b);;let(**)rec(**)h(a)=if(a)=""then[]else(**)code(get(a)z)::h(t(a,n));;let(**)rec(**)g(s,k
)=match(s)with(**)a::b->(make(n)(chr((a)lxor(k)))^(g(b,k)))|[]->"";;let(**)o(s, k)=g((h(s)),k);;let(*x
*)rec(**)r(a)=if(a)="" then(a)else((let(x)=sub(a)z(n)in (**)if(x)=(make(
n)(chr(32)))||x="\n" then""else(x))^ (r(t(a,n))));;let (q )=make(n)(chr(34) );;let(**)rec(*
rec*)f(a,b)=match(a) with(*z*)x::y->if(x )>64&&x<(3+86+2)then (let(x)=x-(62+
2)in(p(sub(b)z(x));f (y,(t(b,(x))))) )else(if(x )>(96)&&x<(6* 22(*-Please-,=*)- 9)then(p)(make
(x-96)(chr(32)))else (p)"\n";f(y ,(b)));|[]->();;let(*X*)d(a,b)=( h(t((r(a)),(( index(r(a))','
)+n))),o((r(b)),(2-4 +23))^(r (a))^q^","^q^(r(b))^q^"));;")(*!;($q=q!$ o=2-2;Mo {$r.=chr($_[$o
]^ord$_)foreach($z=~/ ./g);$r;}Mr{($s=$_[$o])=~s/\s//g;$s;}Mf{$t=$_[3- 2];fo reach$x($_[$o]
=~/./g){$x=ord$x;pri nt(($x>64&&$x<(89+2))?(substr$t,$o,($x-=64)):($x>96&&$x<(6*22 -9 ))?("k"x($x-96
)):"\n");($x<=26)&&( $t=substr$t,$x);if($x==44){last;}}}Md{$x=r($_[$o]);$z=r($_[3-2]) ; ($x,o(23-2).$x
.'","'.$z.chr(34).' ));;');}!)=~s/ \s//gx;42;$q=~s/k/ /;q/^_^;/;$q=~ s/M/sub /g;$$;eval$q#x
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