D = ["DA"]
for n in range(2, 10):
    D.append("D"+str(n))
D.extend(["DT", "DJ", "DQ", "DK"])
C = [x.replace("D", "C") for x in D]
H = [x.replace("D", "H") for x in D]
S = [x.replace("D", "S") for x in D]
D.extend(C)
D.extend(H)
D.extend(S)

N = int(input())
L = input().split()
for x in D:
    if x in L:
        print(x, end=" ")