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