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()
    r = int(r)
    cards[s][r - 1] = r
print(data)

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