deck={"S":[0]*13,"H":[0]*13,"C":[0]*13,"D":[0],"D":[0]*13}
n=input()

for i in range(0,n):
	suit, num=raw_input().split()
	deck[suit][int(num)-1]=1

for i in ["S","H","C","D"]:
	for j in range(0,13):
		if (deck[i][j]==0):
			print "%s %d" %(i,j+1)