from math import inf


def main():
    N = int(input()); INF = float("inf")
    A = list(map(int,input().split()))
    B = [list(map(int,input().split())) for _ in range(N)]

    mx = -INF
    idx = -1

    for i in range(1<<N):
        score = 0
        for j in range(N):
            if (i>>j)&1 == 1:
                score += A[j]
        for p in range(N):
            for q in range(p+1,N):
                if (i>>p)&1 == 1 and (i>>q)&1 == 1:
                    score += B[p][q]
        if score > mx:
            mx = score
            idx = i
    if mx == -INF:
        print(0)
        ret = []
        print(*ret)
        exit()
    print(mx)
    ret = []
    for i in range(N):
        if (idx>>i)&1 == 1:
            ret.append(i+1) #1-index
    print(*ret)
    
        

if __name__ == '__main__':
    main()