n = gets.chomp
if n[-1] == "2" && n[-1] == "4" && n[-1] == "5" && n[-1] == "7" && n[-1] == "9"
  puts "hon"
elsif n[-1] == "0" && n[-1] == "1" &&n[-1] == "6" && n[-1] == "8" 
  puts "hon"
elsif n[-1] == "3"
  puts "bon"
end