N = gets.to_i
m = 2**N

clauses = []

flgT = true
flgF = true

m.times do
    h = gets.split.map(&:to_i)
    f = h.pop
    flgT &= f == 1
    flgF &= f == 0
    next if f == 0
    clauses << "("+h.each_with_index.map{|e, i| e==1 ? "P_#{i+1}" : "¬P_#{i+1}"}*"∧"+")"
end

if flgF
    puts "A=⊥"
elsif flgT
    puts "A=⊤"
else
    puts "A="+clauses*"∨"
end