#include <bits/stdc++.h>
using namespace std;
int main(){
    int a,b,x,y;
    cout<<"? 0 0\n";
    cin>>a;
    cout<<"? 100 0\n";
    cin>>b;
    x=(a-b)/200+50;
    y=sqrt(double(a-x*x));
    cout<<"! "<<x<<" "<<y<<"\n";
}