c = {
    "S":[0]*13,
    "H":[0]*13,
    "C":[0]*13,
    "D":[0]*13,
    }
n = int(input())
for i in range(n):
	s, num = input().split()
	c[s][int(num)-1]=1
for i in ["S", "H", "C", "D"]:
	for j in range (13):
		if c[i][j] ==0:
			print(i, j+1)
		
