n = gets.to_i
a = gets.split

m = ["D","C","H","S"]
l = ["A","2","3","4","5","6","7","8","9","T","J","Q","K"]

count = 0

m.each{|i|
	l.each{|j|
		if a.index(i+j)
			print i+j
			count += 1
			if count < n
				print " "
			else
				puts
			end
		end
	}
}