n = int(input())
A = list(input().split())

convert1 = {'A': 1, '2': 2, '3': 3, '4': 4, '5': 5, '6': 6, '7': 7, '8': 8,
            '9': 9, 'T': 10, 'J': 11, 'Q': 12, 'K': 13}
convert2 = {1: 'A', 2: '2', 3: '3', 4: '4', 5: '5', 6: '6', 7: '7', 8: '8',
            9: '9', 10: 'T', 11: 'J', 12: 'Q', 13: 'K'}
D, C, H, S = [], [], [], []
for i in range(n):
    s = A[i]
    if s[0] == 'D':
        D.append(convert1[s[1]])
    elif s[0] == 'C':
        C.append(convert1[s[1]])
    elif s[0] == 'H':
        H.append(convert1[s[1]])
    elif s[0] == 'S':
        S.append(convert1[s[1]])
D.sort()
C.sort()
H.sort()
S.sort()
ANS = []
for d in D:
    ANS.append('D' + convert2[d])
for c in C:
    ANS.append('C' + convert2[c])
for h in H:
    ANS.append('H' + convert2[h])
for s in S:
    ANS.append('S' + convert2[s])
print(*ANS)