#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;
}

unsigned long long xor64() {
    static unsigned long long x
        = (unsigned long long)(chrono::duration_cast<chrono::nanoseconds>(
            chrono::high_resolution_clock::now().time_since_epoch()).count())
            * 10150724397891781847ULL;
    x ^= x << 7;
    return x ^= x >> 9;
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int A, B, C, a, b;
    cout << "? 99" << endl;
    cin >> a;
    cout << "? 100" << endl;
    cin >> b;
    vector<pair<int,int>> ans;
    for(int A = 0; A < 100; A++){
        for(int B = A + 1; B <= 100; B++){
            if((A + 99) % B == a && (A + 100) % B == b){
                ans.emplace_back(A, B);
            }
        }
    }
    //assert(ans.size() == 1);
    int id = xor64() % int(ans.size());
    cout << "! " << ans[id].first << ' ' << ans[id].second << endl;
}