n = gets.strip.to_i
cards = gets.strip.split(' ')
nums = "0A23456789TJQK"
marks = "DCHS"
h = Hash.new([])
cards.each do |card|
	h[card[0]] = h[card[0]] + [nums.index(card[1])]
end
# p h
marks.split('').each do |mark|
	h[mark].sort.each do |num|
		print "#{mark}#{nums[num]} "
	end
end
print "\n"