import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Main main = new Main();
		main.solve();
	}
	void solve() {
		Scanner sc = new Scanner(System.in);
		@SuppressWarnings("unused")
		int n = Integer.parseInt(sc.next());
		sc.close();
		System.out.println("Yes");
	}

}