n = int(input())
a = list(map(int, input().split()))
b = [list(map(int, input().split())) for i in range(n)]
cur = -(10 ** 18)
for bit in range(1, 1 << n):
    l = []
    for i in range(n):
        if 1 << i & bit:
            l.append(i)
    leng = len(l)
    cnt = 0
    for i in l:
        cnt += a[i]
    for i in range(leng):
        for j in range(i + 1, leng):
            cnt += b[l[i]][l[j]]
    if cur < cnt:
        ans = l[:]
        cur = cnt
print(cur)
for i in range(len(ans)):
    ans[i] += 1
print(*ans)