#include <iostream>
#include <vector>

using namespace std;

int main()
{
    int golok;
    cin >> golok;
    int legtobbgol[golok];
    for (int i = 0; i < golok; i++){
        cin >> legtobbgol[i];
    }

    int maximum = 0;
    vector <int> aranyc;

    for (int i = 0; i < golok; i++){
        if (legtobbgol[i] > maximum) {
            maximum = legtobbgol[i];
            aranyc.clear();
            aranyc.push_back(i+1);

        }
        else if (legtobbgol[i]==maximum) {
            aranyc.push_back(i+1);
        }
    }
    cout << maximum << endl;
    cout << aranyc.size() << endl;

    for (int i = 0; i < aranyc.size(); i++){
        cout << aranyc[i] << " ";
    }
    return 0;
}