ans = []
0.upto(9){|i|
    puts "#{i} #{i} #{i} #{i}"
    STDOUT.flush
    x,y = gets.split.map(&:to_i)
    if y != 0
        ans.push(i)
    end
    }
ans.permutation(4).to_a.each{|a|
    puts a.join(' ')
    STDOUT.flush
    x,y = gets.split.map(&:to_i)
    if x == 4
        break
    end
    }