@local_answer = ["00"]*100

def query_local(str)
    p str
    strs = str.split
    cnt = [0,0,0]
    strs.zip(@local_answer) do |xx, aa|
        v = 0
        v += xx[0] == aa[0] ? 1 : 0
        v += xx[1] == aa[1] ? 1 : 0
        cnt[v] += 1
    end
    return cnt
end

def query(q)
    str = q.map{|e| e ? sprintf("%02d",e) : "??" }*" "
    #return query_local(str)
    puts str
    STDOUT.flush
    return gets.split.map(&:to_i)
end
    


idx = 0
qu = [nil]*100

gets.to_i.times do
    qu[idx] = rand(0..99)
    res = query(qu)
    idx += 1 if res[2] > idx
    break if idx == 100
end