i = 0
key = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
prev = nil
now = 0
loop do
  puts key.join
  STDOUT.flush
  a, s = gets.split(' ')
  break if s == "unlocked"

  if prev.nil?
    prev = a
  elsif prev > a
    key[now] = (key[now]+9)%10
    now += 1
  elsif prev < a
    now += 1
  end

  prev = a
  key[now] = (key[now]+1)%10
end