from itertools import product
n=int(input())
ns=list(map(int,input().split()))
bs=[list(map(int,input().split())) for i in range(n)]
ans=0
anss=[]
for p in product([0,1],repeat=n):
    cnt=0
    cntb=[]
    for i in range(len(p)):
        if p[i] == 1:
            cnt+= ns[i]
            cntb.append(i)
    if len(cntb) <= 1:
        if ans < cnt:
            ans = cnt
            anss = cntb
        continue
    for i in range(len(cntb)-1):
        for j in range(i+1,len(cntb)):
            cnt += bs[cntb[i]][cntb[j]]
            
    if ans < cnt:
        ans = cnt
        anss = cntb
    
print(ans)
anss=list(map(lambda x:x+1,anss))
print(*anss)