#include <bits/stdc++.h>

using namespace std;

template<typename T> string to_string(const T& v) {
  string str;
  for (const auto& i : const_cast<T&>(v)) str += to_string(i) + " ";
  return str.substr(0, max(0, (int)str.size() - 1));
}

int main() {
  int n;
  cin >> n;
  vector<int> v(n);
  for (int& i : v) cin >> i;
  vector<int> dp(n + 1), prv(n + 1, -1);
  dp[1] = v[0];
  for (int i = 1; i < n; ++i) {
    if (dp[i] > dp[i - 1] + v[i]) {
      dp[i + 1] = dp[i];
      prv[i + 1] = i;
    } else {
      dp[i + 1] = dp[i - 1] + v[i];
      prv[i + 1] = i - 1;
    }
  }
  int t = n;
  vector<int> res;
  while (t > 0) {
    if (prv[t] != t - 1) res.emplace_back(t);
    t = prv[t];
  }
  reverse(res.begin(), res.end());
  cout << dp.back() << endl;
  cout << to_string(res) << endl;
}