// لله درك
#pragma GCC optimize ("O3")
#include <bits/extc++.h>
#define Caraxes  ios_base :: sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
#define int long long int
#define F first
#define S second
using namespace std;

template< typename  T = int >
std :: vector < T > get(int size = 0, std :: istream& in_stream = std :: cin);
const int N = 1e4 + 5;
int prefix[N], arr[N];
void Dracarys() {
    map <pair<int,int>,int> blocks;
   int n;
   cin >> n;
   cout << "? 1 1\n";
   cout.flush();
   int sum, bl, br;
   cin >> sum >> bl >> br;
   arr[1] = prefix[1] = sum;
   blocks[{bl,br}] = 1;
   for(int i = 2; i <= n; ++i){
       int tmp = i;
       while(blocks[{tmp,i}] != 0)
           tmp--;
       cout << "? " << tmp << ' ' << i <<'\n';
       cout.flush();
       cin >> sum >> bl >> br;
       prefix[i] = prefix[tmp - 1] + sum;
       arr[i] = prefix[i] - prefix[i - 1];
       blocks[{bl,br}] = 1;
   }
   cout << "! ";
   for(int i = 1;i <= n; ++i)
       cout << arr[i] << ' ';
   cout.flush();

}

signed main()
{
    Caraxes
     #ifndef ONLINE_JUDGE
      ::freopen("in.txt","r",stdin);
      ::freopen("out.txt","w",stdout);
    #endif
    int test = 1;
    //cin >> test;
    while(test--) {
        Dracarys();
    }
}

template< typename  T>
std :: vector < T > get(int size , std :: istream& in_stream){
    if(!size){
        in_stream >> size;
    }
    std :: vector < T > array(size);
    for(auto& i : array)
        in_stream >> i;
    return array;
}