($n,$k,$t)=glob<>;
$_=<>;
substr($_,$k-1,1)^=$";
substr($_,$k+$t)='' if $k+$t<$n;
substr($_,0,$-=$k-$t-1)='';
$r=$t-1&1;
sub f{/aA|Aa/?/B((AA)*A{$r})a|a(?1)B/:!$r&!/(^|A(BB)+)a((BB)+A|$)/}
print+(/a/?f:(y/ABb/BAa/,!f))?Alice:Bob