#include <iostream>
#include <vector>

using namespace std;

int main() {
    int N;
    cin >> N;

    vector<int> ol;
    int o = 0;
    for (int i = 1, g; i <= N; i++) {
        cin >> g;
        if (g > o) {
            ol.clear();
            o = g;
            ol.push_back(i);
        }
        else if (g == o) {
            ol.push_back(i);
        }
    }

    cout << o << endl;
    cout << ol.size() << endl;
    for (int& i : ol) cout << i << endl;

}