from itertools import combinations
n = int(input())
a = list(map(int, input().split()))
b = [list(map(int, input().split())) for _ in range(n)]
res = -10**18
r = []
for i in range(1 << n):
    s = []
    tmp = 0
    for j in range(n):
        if i & (1 << j):
            s.append(j)
            tmp += a[j]
    if len(s) == 0:
        continue
    if len(s) >= 2:
        for l in list(combinations(s, 2)):
            x = l[0]
            y = l[1]
            tmp += b[x][y]
    if tmp > res:
        res = tmp
        r = s
print(res)
for i in range(len(r)):
    r[i] = r[i]+1
print(*r)