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


int main() {

  cout << "? 100" << endl;
  int a; cin >> a;

  cout << "? " << 100 - a - 1 << endl;
  int b; cin >> b;

  int B = b + 1;
  for (int A = 1; A < B; A++) {
    if ((100 + A) % B == a && (100 - a - 1 + A) % B == b) {
      cout << "! " << A << " " << B << endl;
      exit(0);
    }
  }
}