cards = {
	'S': [0 for _ in range(13)],
        'H': [0 for _ in range(13)],
        'C': [0 for _ in range(13)],
        'D': [0 for _ in range(13)],
}
n = int(input())
for _ in range(n):
	(s, r) = input.().split()
	cards[s][int(r) - 1] = 1

for s in ('S', 'H', 'C', 'D',):
	for r in range(13):
		if cards [s] [r] == 0:
			print(s, r + 1)