n = input()
d = {"S":[None]*13, "H":[None]*13, "C":[None]*13, "D":[None]*13}

for i in range(n):
	x, y = raw_input().split()
	d[x][int(y)-1] = True

for k in ["S","H","C","D"]:
	for i in range(13):
		if d[k][i]:
			continue
		print ("%s %d"%(k, i+1))