import sys
readline=sys.stdin.readline
write=sys.stdout.write

N=int(readline())
A=list(map(int,readline().split()))
B=[list(map(int,readline().split())) for i in range(N)]
inf=1<<60
ans=-inf
ans_bit=0
for bit in range(1<<N):
    s=0
    for i in range(N):
        if bit&1<<i:
            s+=A[i]
    for i in range(N):
        for j in range(i+1,N):
            if bit&1<<i and bit&1<<j:
                s+=B[i][j]
    if ans<s:
        ans=s
        ans_bit=bit
print(ans)
print(*[i+1 for i in range(N) if ans_bit&1<<i])