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

#define REP(i, n) for (int i = 0; i < n; i++)
#define REPR(i, n) for (int i = n; i >= 0; i--)
#define FOR(i, m, n) for (ll i = m; i < n; i++)
#define FORR(i, m, n) for (ll i = m; i >= n; i--)
#define REPO(i, n) for (ll i = 1; i <= n; i++)
#define ll long long
#define INF (ll)1ll << 60
#define MINF (-1 * INF)
#define ALL(n) n.begin(), n.end()
#define MOD (ll)1000000007
#define P pair<ll, ll>

int main(){
  ll res1, res2, a, b;
  cout <<"? 100" << endl;
  cin >> res1;
  if(res1 == 99){
    cout << "! 99 100" << endl;
    return 0;
  }
  cout <<"? " << 100 - res1 - 1 << endl;
  cin >> res2;
  b = res2 + 1;
  a = (res1 - 100 + b * 1000) % b;
  cout << "! " << a <<" " << b << endl;
}