n = int(input())

tf = [[False] * 13 for _ in range(4)]
mark = "DCHS"
num = "A23456789TJQK"
M = list(input().split())
for mn in M:
    m, n = mn
    tf[mark.index(m)][num.index(n)] = True
    
ans = []
for i in range(4):
    for j in range(13):
        if tf[i][j]:
            ans.append(mark[i] + num[j])
print(*ans)