def Include3(n)
  return true if n%10 == 3
  a = false
  a = Include3(n/10) if n/10 > 0
  a
end

startn, endn = gets.chomp.split(" ").map &:to_i
(startn..endn).each { |n|
  puts n if n%3 == 0 or Include3(n)
}