N = int(input())
ans = "A="
for i in range(2**N):
    l = input().split()
    if l[-1] == 0:
        continue
    if ans != "A=":
        ans += "∨"
    ans += "("
    for j in range(N):
        s = "P_" + str(j + 1)
        if j != 0:
            s = "∧" + s
        if l[j] == 0:
            s += "¬" + s
        ans += s
    ans += ")"

if ans == "A=":
    ans = "A=⊥"
print(ans)