n, k = gets.strip.split(' ').map(&:to_i)
r = (n - 1 + k + 1) % (k + 1)
if r == 0
	r = k + 1
end
if n / (k + 1) == 1
	puts "0"
else
	puts (n - 1 + k + 1) % (k + 1)
end
STDOUT.flush
while true
	opp = gets.strip.to_i
	if opp >= n
		break
	end
	puts opp / (k + 1) * (k + 1) + r
	STDOUT.flush
end