#include <bits/stdc++.h>

using namespace std;

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

    int maxi = 0;
    vector<int> megoldas;

    for(int i = 0; i < n; i++){
        int a;
        cin >> a;

        if(a > maxi){
            maxi = a;
            megoldas.clear();
            megoldas.push_back(i);
        } else if(a == maxi){
            megoldas.push_back(i);
        }
    }

    cout << maxi << "\n";
    cout << megoldas.size() << "\n";
    for(int x : megoldas){
        cout << x + 1 << "\n";
    }
}