import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		sc.close();

		if (a == b) {
			System.out.println("Yes");
		} else {
			int x = Math.min(a, b);
			int y = Math.max(a, b);
			if (x == 2) {
				for (int i = 2; i < 31; i++) {
					if (1 << i == y) {
						System.out.println("Yes");
						return;
					}
				}
			}
			System.out.println("No");
		}
	}
}