import sys; input = sys.stdin.buffer.readline
sys.setrecursionlimit(10**7)
from collections import defaultdict
con = 10 ** 9 + 7; INF = float("inf")

def getlist():
	return list(map(int, input().split()))

#処理内容
def main():
	N = int(input())
	A = getlist()
	DP = [[0, 0] for i in range(N + 1)]
	pre = [[None, None] for i in range(N + 1)]
	for i in range(N):
		# 食べる推移
		DP[i + 1][1] = DP[i][0] + A[i]
		pre[i + 1][1] = 0

		# 食べない推移
		if DP[i][0] > DP[i][1]:
			DP[i + 1][0] = DP[i][0]
			pre[i + 1][0] = 0
		else:
			DP[i + 1][0] = DP[i][1]
			pre[i + 1][0] = 1

	# print(DP)
	# print(pre)
	ans = None
	anslist = []
	if DP[-1][1] > DP[-1][0]:
		ans = DP[-1][1]
		anslist.append(N)
		itr = 1
		for i in range(N, 1, -1):
			if pre[i][itr] == 1:
				anslist.append(i - 1)
				itr = 1
			else:
				itr = 0

	else:
		ans = DP[-1][0]
		itr = 0
		for i in range(N, 1, -1):
			if pre[i][itr] == 1:
				anslist.append(i - 1)
				itr = 1
			else:
				itr = 0

	print(ans)
	print(*anslist[::-1])


if __name__ == '__main__':
	main()