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#include <iostream>

using namespace std;

int main() {
    ios_base::sync_with_stdio(false);

    int n;
    cin >> n;

    int a, b, c;
    cin >> a >> b;
    if (a > b) {
        swap(a, b);
    }

    for (int i = 2; i < n; ++i) {
        cin >> c;
        if (a > c) {
            b = a;
            a = c;
        } else if (b > c) {
            b = c;
        }
    }

    cout << a - 1 + b - 1 << endl;
    cout << 2 << endl;
    cout << "1 2" << endl;

    return 0;
}