word1 = input() word2 = input() if word1 == 'да' and word2 == 'да': print('ВЕРНО') elif word1 == 'да' and word2 == 'нет': print('ВЕРНО') elif word1 == 'нет' and word2 == 'да': print('ВЕРНО') elif word1 == 'нет' and word2 == 'нет': print('ВЕРНО') elif word1 != 'да' or word1 != 'нет' and word2 != 'да' or word2 != 'нет': print('НЕВЕРНО')