cards = {
	"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[i][j] == 0:
			print(i,j+)