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

ans = -1
S = -1
dp = [0] * (1 << N)
for bit in range(1,1 << N):
    tmp = 0
    for i in range(N):
        if (bit >> i) & 1:
            tmp += A[i]
            for j in range(i + 1,N):
                if (bit >> j) & 1:
                    tmp += B[i][j]
    if tmp > ans:
        ans = tmp
        S = bit
    #print(bit,tmp)
print(ans)
l = []
for i in range(N):
    if (S >> i) & 1:
        l.append(i + 1)
print(*l)