n = gets.chomp.to_i
hash = {}
['S','H','C','D'].each do |suit|
  for rank in 1..13
    key = suit + " " + rank.to_s
    hash[key] =false
  end
end

n.times do
  card = gets.chomp
  hash[card] = true
end
hash.select{|key,val|
puts key if !val
}