N = gets.to_i
Q = 2.pow(N).times.map { gets.split.map(&:to_i) }

def f(q)
  res = []

  q[0..-2].each.with_index(1) do |v, i|
    if v == 0
      res << "¬P_#{i}"
    else
      res << "P_#{i}"
    end
  end

  '(' + res.join('∧') + ')'
end

if Q.all? { |q| q.last == 0 }
  puts 'A=⊥'
elsif Q.all? { |q| q.last == 1 }
  puts 'A=⊤'
else
  puts "A=#{Q.select { |q| q.last == 1 }.map { |q| f(q) }.join('v')}"
end