import sys

sys.setrecursionlimit(10**7)
def I(): return int(sys.stdin.readline().rstrip())
def MI(): return map(int,sys.stdin.readline().rstrip().split())
def LI(): return list(map(int,sys.stdin.readline().rstrip().split()))
def LI2(): return list(map(int,sys.stdin.readline().rstrip()))
def S(): return sys.stdin.readline().rstrip()
def LS(): return list(sys.stdin.readline().rstrip().split())
def LS2(): return list(sys.stdin.readline().rstrip())


N = I()
A = LI()
B = [LI() for _ in range(N)]

ans = 0
oto = 0
for i in range(1,1<<N):
    X = [j for j in range(N) if (i>>j) & 1]
    l = len(X)
    score = 0
    for x in X:
        score += A[x]
    for j in range(l-1):
        for k in range(j+1,l):
            score += B[X[j]][X[k]]
    if ans < score:
        ans = score
        oto = X

print(ans)
ANS = [x+1 for x in oto]
print(*ANS)