#include <bits/stdc++.h>
using namespace std;
int main () {
	cout << "? 100" << endl;
	int a;
	cin >> a;
	if (a == 99) {
		cout << "99 100" << endl;
	} else {
		cout << "? " << (100 - a - 1) << endl;
		int B;
		cin >> B;
		B ++;
		int A = (a - 100 + B * 1000) % B;
		cout << A << " " << B << endl;
	}
}