n = int(input())
a = list(map(int, input().split()))
b = [list(map(int, input().split())) for _ in range(n)]
ans = 0
for i in range(1 << n):
    t = 0
    for j in range(n):
        if i >> j & 1:
            t += a[j]
    for j in range(n-1):
        for k in range(j+1, n):
            if i>>j & 1 and i>>k & 1:
                t += b[j][k]
    if ans <= t:
        ans = t
        anss = i
print(ans)
u = []
for i in range(n):
    if anss >> i & 1:
        u.append(i+1)
if u:
    print(*u)