card, of, suite = input('Enter your card: ').split()
#print(card, of, suite, sep=',')

if (suite != 'Spade' and suite != 'Heart' and suite != 'Club' and suite != 'Diamond') or (card != 'Ace' and card != '2' and card != '3' and card != '4' and card != '5' and card != '6' and card != '7' and card != '8' and card != '10' and card != 'Jack' and card != 'Queen' and card != 'King'):
    print('Invalid card')

elif (suite == 'Spade' and card == 'Ace')      or \
   (suite == 'Heart')                        or \
   (suite == 'Diamond' and card == 'Queen')  or \
   (suite == 'Diamond' and card == 'King')   or \
   (card == '7'):
       print('Lucky you!')
else:
    print('Better luck next time.')