#define _DEB321UG
#include <bits/stdc++.h>
using namespace std;
#define endl "\n"
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const long double pi = acos(-1.0);
const int INF = 1987654321;
// const int MOD = 1e9;
// 

int psum[1004];
int arr[1004];
int used[1004];

int main(){
#ifdef _DEBUG
    freopen ("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif  
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    
    int N; cin >> N;
    for(int i = 2; i <= N; i++){
        cout << "? " << 1 << " " << i << endl;
        cout.flush();
        if(i == 2){
            int sum12; cin >> sum12;
            psum[2] = sum12;
            continue;
        }
        // int x; cin >> x;
        cin >> psum[i];
        arr[i] = psum[i] - psum[i-1];
        used[arr[i]] = true;
    }    
    for(int i = 1; i <= N; i++){
        if(!used[i]){
            arr[1] = i;
            arr[2] = psum[2] - i;
            // used[i] = true;
            break;
        }
    }
    // for(int i = 1; i <= N; i++){
    //     if(!used[i]){
    //         arr[2] = i;
    //         used[i] = true;
    //         break;
    //     }
    // }
    
    cout << "! ";
    for(int i = 1; i <= N-1; i++) cout << arr[i] << " ";
    cout << arr[N];
    cout.flush();
    
    return 0;
}