cards = []
cards = ["%s %s" % (s, n) for s in ['S', 'H', 'C', 'D'] for n in range(1,14,1)]

input_cards = []
input_cards_num = int(raw_input())
for i in range(1, input_cards_num + 1, 1) :
    input_card = raw_input()
    cards.remove(input_card)

for card in cards:
    print(card)