S,H,C,D=[[nil]*13]*4                                                                                                                                                                                                                        gets.to_i.times do                                                                                                                                                                                                                             c,n = gets.split                                                                                                                                                                                                                             n=n.to_i                                                                                                                                                                                                                                     eval("%s[%d]=true"%[c,n-1])                                                                                                                                                                                                            end                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     S.each_with_index{|x,i| puts "S " + (i+1).to_s if not x}                                                                                                                                                                                            H.each_with_index{|x,i| puts "H " + (i+1).to_s if not x}                                                                                                                                                                                            C.each_with_index{|x,i| puts "C " + (i+1).to_s if not x}                                                                                                                                                                                            D.each_with_index{|x,i| puts "D " + (i+1).to_s if not x}                                                                                                                                                                                          ~                                                          