n = gets.to_s.to_i
a = gets.to_s.split.map{ |e| e.to_i }
b = readlines.map{ |s| s.split.map{ |e| e.to_i } }

# p (0..18).sum{ |k| ([*0...18]).combination(k).size }

ans = -Float::INFINITY
ans_cmb = nil
ia = (0...n).to_a
(1..n).each do |i|
  ia.combination(i) do |cmb|
    tmp = cmb.sum{ |j| a[j] }
    tmp += cmb.combination(2).sum{ |x, y| b[x][y] }
    tmp_cmb = cmb
    if ans < tmp
      ans = tmp
      ans_cmb = tmp_cmb
    end
  end
end

puts ans
puts ans_cmb.map{ |k| k + 1 }.join(' ')