n = int(input())
s_l = h_l = c_l = d_l = [1,2,3,4,5,6,7,8,9,10,11,12,13]

for i in range(0, n):
  mark, num = input().split()
  if mark == "S":
    s_l.remove(int(num))
  if mark == "H":
    h_l.remove(int(num))
  if mark == "C":
    c_l.remove(int(num))
  if mark == "D":
    d_l.remove(int(num))

for s in s_l:
  print("S {}".format(s))
for h in h_l:
  print("H {}".format(h))
for c in c_l:
  print("C {}".format(c))
for d in d_l:
  print("D {}".format(d))