fn main() {
	let mut s = String::new();
	std::io::stdin().read_line(&mut s).ok();
	let n: u64 = s.trim().parse().unwrap();
	for i in (3..=n).rev() {
		if i % 2 == 1 && n % i == 0 || i % 2 == 0 && n % i == i / 2 {
			println!("YES");
			return;
		}
		if n % i == n - 1 {
			break;
		}
	}
	println!("NO")
}