def main():
    n = int(input())
    a = list(map(int, input().split()))
    b = [list(map(int, input().split())) for _ in range(n)]

    inf = 1 << 60
    ans = -inf
    ans_bit = 0
    for bit in range(1, 1 << n):
        res = 0
        for i in range(n):
            if bit & (1 << i):
                res += a[i]
        for i in range(n):
            for j in range(i + 1, n):
                if bit & (1 << i) and bit & (1 << j):
                    res += b[i][j]
        if ans < res:
            ans = res
            ans_bit = bit

    print(ans)
    print(*[i + 1 for i in range(n) if ans_bit & (1 << i)])


if __name__ == "__main__":
    main()