n = int(input())
a = list(map(int,input().split()))
grid = []
for i in range(n):
    b = list(map(int,input().split()))
    grid.append(b)
ans = 0
num = 0
for i in range(2**n):
    cnt = 0
    for j in range(n):
        if i & 1 << j:
            cnt += a[j]
            for k in range(j+1,n):
                if i & 1 << k:
                    cnt += grid[j][k]
    if ans <= cnt:
        ans = cnt
        num = i
print(ans)
u = []
for i in range(n):
    if num & 1 << i:
        u.append(i+1)
print(*u)