s= [i+1 for i in range(13)]
h= [i+1 for i in range(13)]
c= [i+1 for i in range(13)]
d= [i+1 for i in range(13)]

n=int(input())
for cnt in range(n)
    e,n =input().split()
    if e == 'S':s[int(n)-1]=0
    elif e == 'H':h[int(n)-1]=0
    elif e == 'C':c[int(n)-1]=0
    elif e == 'D':d[int(n)-1]=0

for i in s:
    if i != 0: print('S '+repr(i))
for i in h:
    if i != 0: print('H '+repr(i))
for i in c:
    if i != 0: print('C '+repr(i))
for i in d:
    if i != 0: print('D '+repr(i))