n = int(input())
x = []
y = []
for i in range(n):
    tmp = list(map(int, input().split()))
    y.append(tmp)
    tmp2 = 0
    for j in range(n):
        tmp2 += y[i][j] * 2 ** j
    x.append(tmp2)
a = list(map(int, input().split()))

ans = sum(a)

for i in range(2 ** n):
    tmp = 0
    for j in range(n):
        tmp += a[j] if ((i >> j) & 1) == 1 else 0
    if tmp >= ans:
        continue
    l = i
    c = 0
    k = -1
    while k + 1 < n:
        k += 1
        if ((c >> k) & 1) == 1:
            continue
        if (l & x[k]) == x[k]:
            c |= 1 << k
            l |= 1 << k
            k = -1

    if c == (1 << n) - 1:
        ans = tmp
print(ans)