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

template<class T> istream& operator >> (istream& is, vector<T>& vec) {
    for(T& x : vec) is >> x;
    return is;
}

template<class T> ostream& operator << (ostream& os, const vector<T>& vec) {
    if(vec.empty()) return os;
    os << vec[0];
    for(auto it = vec.begin(); ++it != vec.end(); ) os << ' ' << *it;
    return os;
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int A, B, C;
    cout << "? 1" << endl;
    cin >> A;
    if(A == 0){
        // A + 1 == B
        // (A + 100) % B == C
        cout << "? 100" << endl;
        cin >> C;
        for(int B = 1; B <= 100; B++){
            if((100 + B - 1) % B == C){
                cout << "! " << B - 1 << " " << B << endl;
                return 0;
            }
        }
    }
    A -= 1;
    cout << "? 100"<< endl;
    cin >> C;
    for(int B = 1; B <= 100; B++){
        if((100 + A) % B == C){
            cout << "! " << A << " " << B << endl;
            return 0;
        }
    }
}