puts 'How many bottle of beer are on the wall?'
bottle = gets.chomp
while bottle != 0
  puts bottle + ' bottles of beer on the wall,'
  puts bottle + ' bottles of beer.'
  puts ' If you take one down and pass it around,'
  puts 'thats ' + #{bottle - 1}.to_s + ' bottles of beer on the wall.'
  bottle = bottle - 1
end