from itertools import product

N = int(input())
A = list(map(int, input().split()))
B = [list(map(int, input().split())) for _ in range(N)]

result = -(10 ** 18)
for t in product(range(2), repeat=N):
    v = 0
    n = 0
    for i in range(N):
        n += t[i]
        if t[i] == 1:
            v += A[i]
    if n == 0:
        continue
    for i in range(N):
        for j in range(i + 1, N):
            if t[i] & t[j] == 1:
                v += B[i][j]
    if v > result:
        result = v
        max_t = t
print(result)
print(*(i + 1 for i in range(N) if max_t[i] == 1))