## https://yukicoder.me/problems/no/683

from collections import deque

def main():
    A, B = map(int, input().split())
    if A == 0 or B == 0:
        print("Yes")
        return

    a_set = {(A, B)}
    queue = deque()
    queue.append((A, B))
    while len(queue) > 0:
        x, y = queue.popleft()

        if x % 2 == 0 and y > 0:
            new_x = x // 2 
            new_y = y - 1
            if new_x == 0 or new_y == 0:
                print("Yes")
                return

            if (new_x, new_y) not in a_set:
                a_set.add((new_x, new_y))
                queue.append((new_x, new_y))

        if x > 0 and y % 2 == 0:
            new_x = x - 1 
            new_y = y // 2
            if new_x == 0 or new_y == 0:
                print("Yes")
                return

            if (new_x, new_y) not in a_set:
                a_set.add((new_x, new_y))
                queue.append((new_x, new_y))

    if (0, 0) in a_set:
        print("Yes")
    else:
        print("No")



    



if __name__ == "__main__":
    main()