def numbers_with_three(a, b)
  a.upto(b) do |n|
    if n % 3 == 0
      puts n
      next
    end

    n.digits.each do |m|
      if m == 3
        puts n
        break
      end
    end
  end
end

a, b = gets.split.map(&:to_i)
numbers_with_three(a,b)