#include <bits/stdc++.h>
#include<iostream>
#include<map>
#include<vector>
#include <algorithm>
#include<math.h>
#include <iomanip>
#include<set>
#include <numeric>
#include<string>
using ll = long long;
using namespace std;


int main()
{
    ll n, all, tmp;
    cin >> n;
    vector<ll> a(n);
    all = n * (n+1)/2;
    for (ll i = 2; i < n; i++){
        cout << "? " << i << " " << n << endl;
        cin >> tmp;
        a[i-2] = all - tmp;
        all = tmp;
    }
    cout << "? " << 1 << " " << n - 1 << endl;
    cin >> tmp;
    a[n-1] = n * (n+1)/2 - tmp;
    a[n-2] = all - a[n-1];
    string delim = "";
    cout << "! ";
    for (auto x : a){
        cout << delim << x;
        delim = " ";
    }
    cout << endl;
}