n = int(input())
*a, = map(int,input().split())
b = [list(map(int,input().split())) for _ in range(n)]

ans = val = 0
N = 1<<n
for mask in range(N):
    v = 0
    for i in range(n):
        if mask>>i&1==0: continue
        v += a[i]
        for j in range(i+1,n):
            if mask>>j&1:
                v += b[i][j]
    if v > val:
        val = v
        ans = mask
print(val)
print(*(i+1 for i in range(n) if ans>>i&1))