N = int(input())
V = list(map(int, input().split()))
inf = 10 ** 18
dp0 = [-inf] * (N + 1)
dp1 = [-inf] * (N + 1)
dp0[0] = 0
for i in range(N):
    dp1[i + 1] = dp0[i] + V[i]
    dp0[i + 1] = max(dp0[i], dp1[i])

now = max(dp1)
print(now)
ans = []
for i in range(N, 0, -1):
    if now == dp1[i] and now == dp0[i - 1] + V[i - 1]:
        ans.append(i)
        now -= V[i - 1]

print(*sorted(ans))