sub g{$n=$_[0]+8*$_[1];$_[2]?$p[$n]=$_[2]:$p[$n]}sub d{print"\nXY?
";($x,$y)=split'',<>;&k||&d;l(@{&o})}sub o{@g=@q;my@e=([$x,$y]);N:for$
+i
(@g){my@t;map{$u=$x+(${$i}[0]*$_);$v=$y+(${$i}[1]*$_);next N if!(p($u,
+$v
)&&($r=g($u,$v)));$r eq$n[$w]?(@e=(@e,@t),next N):push@t,[$u,$v]}1..7}
\@e}sub p{1<grep$_<8&&$_>-1,@_}sub l{g(@$_,$n[$w])for@_}sub f{my@j;for
(@c){($x,$y)=n($_);next if!&k;push@j,&o}@j=sort{@$b<=>@$a}@j;l(@{$j[0]
+}
)}sub n{($_[0]%8,$_[0]>>3)}@z=(1,-1,0);for$e(@z){push@q,[$e,$_]for@z}
pop@q;@c=0..63;@p[27,28,35,36]=(@n=qw(@ O O @));while(grep!$p[$_],@c){
print+join'',(map{($x,$y)=n($_);(g(n($_))||'+').($x>6?"$y\n":'')}@c),
0..7,"\n";($w=!$w)?&d:&f}print+(grep$p[$_]eq'@',@c)>32?"U":"I"," win
";sub k{!g($x,$y)&&(grep{p(@d=($x+${$_}[0],$y+${$_}[1]))&&g(@d)}@q)}
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