#include <bits/stdc++.h>

using namespace std;
using ll = long long;

void qry(int x){
    cout << "? " << x << endl;
}

void ans(int a, int b){
    cout << "! " << a << " " << b << endl;
    exit(0);
}

int main(){

    int x, y, a, b;
    qry(100);
    cin >> x;
    if (x == 99) ans(99, 100);
    qry(99-x);
    cin >> y;
    b = y+1;
    a = ((x-100)%b+b) % b;
    ans(a, b);

    return 0;
}