fn g() -> Vec<char> {
	let mut s = String::new();
	std::io::stdin().read_line(&mut s).ok();
	s.trim().chars().collect()
}
fn main() {
	g();
	println!(
		"{}",
		if g()
			.iter()
			.zip(g().iter())
			.any(|(&a, &b)| a == 'o' && a == b)
		{
			"Lucky Turtleman"
		} else {
			"Unlucky Turtleman"
		}
	)
}