#!/usr/bin/env ruby
 
=begin
 
= Fizz Buzz
 
CodeEval [http://w...content-available-to-author-only...l.com/open_challenges/1/]
 
1. Input example
 
    3 5 10
    2 7 15
 
2. Output example
 
    1 2 F 4 B F 7 8 F B
    1 F 3 F 5 F B F 9 F 11 F 13 FB 15
 
3. Run this program
 
    $ ruby fizzbuzz.rb input.txt
    1 2 F 4 B F 7 8 F B
    1 F 3 F 5 F B F 9 F 11 F 13 FB 15
 
=end
 
def fizzbuzz a, b, n
  (1..n).map do |x|
    case
      when x % (a * b) == 0 then 'FB'
      when x % a == 0 then 'F'
      when x % b == 0 then 'B'
      else x
    end
  end
end
 
if __FILE__ == $0
  File::open(ARGV.first) do |f|
    f.each do |l|
      puts fizzbuzz(*l.split.map { |x| x.to_i }).join ' '
    end
  end
end

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