#yuki-1360
N = int(input())
A = list(map(int, input().split()))
B = [list(map(int, input().split())) for _ in range(N)]
prepoint = 0
for i in range(1, 1<<N):
    on, point = [], 0
    for j in range(N):
        if (i>>j)&1:
            on.append(j)
            point += A[j]
    l = len(on)
    if l > 1:
        for x in range(l-1):
            for y in range(x+1, l):
                point += B[on[x]][on[y]]
    #print(i, point)
    if point > prepoint:
        prepoint = point
        ans = [o+1 for o in on]
print(prepoint)
print(*ans)