#include <iostream>
#include <string>

using namespace std;

int main() {
    int q1, q2;
    cout << "? " << 1 << endl;
    cin >> q1;
    int diff = q1 + 1;

    cout << "? " << diff + 1 << endl;
    cin >> q2;

    int b = q2 + 1;
    int a = b - diff;

    cout << "! " << a << " " << b << endl;
}