import copy
N = int(raw_input())
V = map(int, raw_input().split())

dp = [[[0, []], [0, []]] for i in xrange(N)]
dp[0][0] = [V[0], [1]]
for i in xrange(1, N):
    dp[i][0] = copy.deepcopy(dp[i - 1][1])
    dp[i][0][0] += V[i]
    dp[i][0][1].append(i + 1)

    if dp[i - 1][0][0] >= dp[i - 1][1][0]:
        dp[i][1] = copy.deepcopy(dp[i - 1][0])
    else:
        dp[i][1] = copy.deepcopy(dp[i - 1][1])

if dp[N - 1][0][0] >= dp[N - 1][1][0]:
    print dp[N - 1][0][0]
    print " ".join(map(str, dp[N - 1][0][1]))
else:
    print dp[N - 1][1][0]
    print " ".join(map(str, dp[N - 1][1][1]))