import sys
input = sys.stdin.readline

N = int(input())
A = list(map(int, input().split()))
B = []
for i in range(N):
    B.append(list(map(int, input().split())))
    
ma = -10 ** 18
n = 0
for s in range(1, 1 << N):
    v = 0
    for i in range(N):
        if (s >> i) & 1:
            v += A[i]
        else:
            continue
        for j in range(i + 1, N):
            if (s >> j) & 1:
                v += B[i][j]
    if v > ma:
        ma = v
        n = s
        
ans = []
for i in range(N):
    if (n >> i) & 1:
        ans.append(i + 1)
        
print(ma)
print(*ans)