n = input()
 
S = range(1, 14)
H = range(1, 14)
C = range(1, 14)
D = range(1, 14)
 
for i in range(0, n):
   m, n = raw_input().split()
      if m == 'S':
         S[int(n)-1] = 0
      elif m == 'H':
         H[int(n)-1] = 0
      elif m == 'C':
         C[int(n)-1] = 0
      elif m == 'D':
         D[int(n)-1] = 0

for i in range(0, 13):
   if S[i] != 0:
      print 'S '+str(S[i])

for i in range(0, 13):
   if H[i] != 0:
      print 'H '+str(H[i])

for i in range(0, 13):
   if C[i] != 0:
      print 'C '+str(C[i])

for i in range(0, 13):
   if D[i] != 0:
      print 'D '+str(D[i])