n = read_line.to_i
m = 2 ** n
q = Array.new(m) { read_line.split.map &.to_i }.select { |a| a[n] == 1 }

puts "A=#{if q.size == m
            "⊤"
          elsif q.size == 0
            "⊥"
          else
            str_p = (1..n).map { |i| "P_#{i}" }
            str_not_p = str_p.map { |s| "¬" + s }
            q.join("∨") { |a|
              "(#{a[0...n].each_with_index.join("∧") { |v, i|
                    v == 1 ? str_p[i] : str_not_p[i]
                  }})"
            }
          end}"