STDOUT.sync = true
N = gets.to_i

products = []
N.times do |i|
	a, b = [i, (i + 1) % N].minmax
	puts "? #{a} #{b}"
	x = gets.to_i
	products << x
end

digit_candidates = Array.new(N) { [true] * 10 }
digit_candidates[-1][0] = false
N.times do
	N.times do |i|
		10.times do |a|
			if (0 ... 10).all? { |b| products[i] != a * b }
				digit_candidates[i][a] = false
			end
		end
		if digit_candidates[i].count(true) == 1
			x = (0 ... 10).find { |x| digit_candidates[i][x] }
			if x != 0
				ys = [false] * 10
				ys[products[i] / x] = true
				digit_candidates[(i + 1) % N] = ys
			end
		end
	end
end

if digit_candidates.all? { |c| c.count(true) == 1 }
	ans = ""
	(0 ... N).reverse_each do |i|
		x = (0 ... 10).find { |x| digit_candidates[i][x] }
		ans << x
	end
	puts "! #{ans}"
else
	puts "! -1"
end