from itertools import product
n=int(input())
a=list(map(int,input().split()))
b=[list(map(int,input().split())) for _ in range(n)]
ans=0
ans_l=[]
for bit in product(range(2),repeat=n):
    tmp=0
    ring=[]
    for i in range(n):
        if bit[i]:
            tmp+=a[i]
            ring.append(i+1)
    if len(ring)>=2:
        for i in range(len(ring)):
            for j in range(i+1,len(ring)):
                tmp+=b[ring[i]-1][ring[j]-1]
    if tmp>ans:
        ans=tmp
        ans_l=ring
ans_l.sort()
print(ans)
print(*ans_l)