n = input()

S = range(1, 14)
H = range(1, 14)
C = range(1, 14)
D = range(1, 14)

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