gistfile1.rb

#!/usr/bin/env ruby

(1..20).each do |i|
  if i % 3 == 0 && i % 5 == 0
    puts "FizzBuzz"
  elsif i % 3 == 0
    puts "Fizz"
  elsif i % 5 == 0
    puts "Buzz"
  else
    puts i
  end
end