def main():
    N = int(input())
    M = int(input())
    if N % 2 == 0 and M % 2 == 0:
        print("Yes")
    elif N % 2 == 1 and M % 10 == 0:
        print("Yes")
    else:
        print("No")

if __name__ == "__main__":
    main()