def main():
    N, M = int(input()),int(input())
    #100yen coins total
    Nh = 100 * N
    #10yen coins total
    Mt = 10 * M
    #heritage total
    H = Nh + Mt
    #print(H)
    if H % 2 == 0:
        print('Yes')
    else:
        print('No')

if __name__ == '__main__':
    main()