// g++ 1.cpp -std=c++17 -O2 -I .
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using ld = long double;
 
using vi = vector<int>;
using vvi = vector<vi>;
using vll = vector<ll>;
using vvll = vector<vll>;
using vld = vector<ld>;
using vvld = vector<vld>;
using vst = vector<string>;
using vvst = vector<vst>;
 
#define fi first
#define se second
#define pb push_back
#define eb emplace_back
#define pq_big(T) priority_queue<T,vector<T>,less<T>>
#define pq_small(T) priority_queue<T,vector<T>,greater<T>>
#define all(a) a.begin(),a.end()
#define rep(i,start,end) for(ll i=start;i<(ll)(end);i++)
#define per(i,start,end) for(ll i=start;i>=(ll)(end);i--)
#define uniq(a) sort(all(a));a.erase(unique(all(a)),a.end())

int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);

  cout<<"? 1"<<endl;
  int y;cin>>y;

  // if y = 0  : A + 1 = B
  // if y != 0 : A = y - 1, B = ? 

  if(y==0){
    cout<<"? 98"<<endl;
    int y2;cin>>y2;
    rep(a,0,100){
      if(97%(a+1)==y2){
        cout<<"! "<<a<<" "<<a+1<<endl;
        return 0;
      }
    }
  }
  else{
    cout<<"? 98"<<endl;
    int y2;cin>>y2;
    rep(b,1,101){
      if((y+97)%b==y2){
        cout<<"! "<<y-1<<" "<<b<<endl;
        return 0;
      }
    }
  }
}