class Numtoword
  def english_word(n)
    @s = ''
    @h = ["zero", "One", "Two", "Three",
          "Four", "Five","six", "seven", "Eight",
	  "Nine","Ten","Eleven","Twelve",
	  "Thirteen","Fourteen","Fifteen",
	  "Sixteen","Seventeen","Eighteen",
	  "Nineteen","Twenty"]

    @ty = ["", "Ten" , "Twenty", "Thirty",
	  "Fourty","Fifty","Sixty","Seventy",
          "Eighty","Ninty"]

    @hundred = 'hundred'
     if n <= 20
	@s = @h[n]
     elsif n > 20 && n <100
	if n > 0
	    @t = n / 10
	    @s = @s + @ty[@t]
	    n = n - (@t * 10)
	    if n > 0
		@s = @s +" "+ @h[n]
	    end
	end
     elsif n < 1000
	@t = n /100
        @s = @h[@t]+" hundred "
	n = n - (@t * 100)
	if n > 0
	    if n < 20
	    	return @s = @s +" "+ @h[n]
	    end
	    @t = n / 10
	    @s = @s + @ty[@t]
	    n = n - (@t * 10)
	    if n > 0
		@s = @s +" "+ @h[n]
	    end
	end
     end
     return @s
  end
end

e = Numtoword.new
print e.english_word(919)