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

int = []

for num in a..b do
	if num % 3 == 0 then
		int.push(num)
	end

	str = num.to_s
	pos = str.index("3")
	if !(pos.nil?)
		int.push(num)
	end
end
sortint = int.sort
sortint2 = sortint.uniq
puts sortint2