#include <bits/stdc++.h>
using namespace std;
int main(){
  cout << "? " << 100 << endl;
  int r1;
  cin >> r1;
  cout << "? " << 100 - r1 - 1 << endl;
  int r2;
  cin >> r2;
  int B = r2 + 1;
  int A = (r1 - 100) % B;
  if (A < 0){
    A += B;
  }
  cout << "! " << A << ' ' << B << endl;
}