import Control.Monad
import Data.List

main = do
  n <- read <$> getLine :: IO Int
  qsr_s <- replicateM (2^n) $ map head . words <$> getLine
  let qsr_s_reduced = map init $ filter (('1'==) . last) qsr_s
  putStrLn $ "A=" ++ if length qsr_s_reduced < 2^n then genCNF (map genClause qsr_s_reduced) else "⊤"

genClause :: String -> String
genClause qs = concat $ intersperse "∧" $ map genLiteral $ zip qs [1..]
  where
  genLiteral :: (Char, Int) -> String
  genLiteral (q,i) = (if q=='0' then "¬" else "") ++ "P_" ++ show i

genCNF :: [String] -> String
genCNF [] = "⊥"
genCNF (c:[]) = "(" ++ c ++ ")"
genCNF (c:cs) = "(" ++ c ++ ")∨" ++ genCNF cs