N = int(input())
V = list(map(int, input().split()))
dp = [[0]*2 for _ in range(N+1)]
track = [[-1]*2 for _ in range(N+1)]

for i in range(N):
    if dp[i][0]<dp[i][1]:
        dp[i+1][0] = dp[i][1]
        track[i+1][0] = 1
    else:
        dp[i+1][0] = dp[i][0]
        track[i+1][0] = 0
    
    dp[i+1][1] = dp[i][0]+V[i]
    track[i+1][1] = 0

ans = []

if dp[N][0]<dp[N][1]:
    j = 1
else:
    j = 0
    
for i in range(N, 0, -1):
    if j==1:
        ans.append(i)
        
    j = track[i][j]

ans = ans[::-1]

print(max(dp[N]))
print(*ans)