from collections import *

def trump(n):
    if n == "A":
        return 1
    elif n =="T":
        return 10
    elif n == "J":
        return 11
    elif n == "Q":
        return 12
    elif n == "K":
        return 13
    else:
        return int(n)

N = int(input())
card = list(input().split())
D = defaultdict(list)
DD = dict()
for s in card:
    DD[trump(s[1])] = s[1]
    D[s[0]].append(trump(s[1]))
    
ans = []
for a in sorted(D["D"]):
    ans.append("D" + DD[a])
for a in sorted(D["C"]):
    ans.append("C" + DD[a])
for a in sorted(D["H"]):
    ans.append("H" + DD[a])
for a in sorted(D["S"]):
    ans.append("S" + DD[a])
print(*ans)