// too many queries

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int p;
    cin >> p;

    for (int q = 0; q < p + 1; q++) {
        cout << "? 1 1" << '\n' << flush;
        int response;
        cin >> response;
        if (response == -1) {
            return 0;
        }
    }

    return 0;
}