fn main() {
	let mut s = String::new();
	std::io::stdin().read_line(&mut s).ok();
	let n: Vec<u16> = s.split_whitespace().flat_map(str::parse).collect();
	println!(
		"{}",
		match n[0] * 60 + n[1] {
			m if m < 450 => "Yes",
			m if m > 509 => "No",
			_ => "Late",
		}
	)
}