<>;
hoge:
for(<>){
	($d,$x,$t)=/\d+/g;
	--$d;
#	if($x>$d){
#		$y=$x;$x=$d;$d=$y;
#	}
	$a=1;
	for(1..$x){
		$a*=$d+$_;
		$a/=$_;
		if($a>$t){
			print"ZETUBOU\n";
			next hoge;
		}
	}
	print"AC\n";
}