#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, s, e) for (int i = (int)(s); i < (int)(e); ++i)
#define all(a) (a).begin(),(a).end()

int main() {
    int N;
    cin >> N;
    
    vector<int> ans;
    
    int allSum = N*(N + 1) / 2;
    int guessSum = 0;
    
    rep(i, 0, N - 2) {
        cout << "? " << i + 2 << " " << N << '\n';
        
        int S;
        cin >> S;
        
        ans.push_back(allSum - S - guessSum);
        guessSum += ans.back();
    }
    
    cout << "? 1 " << N - 1 << '\n';
    int S;
    cin >> S;
    ans.push_back(S - guessSum);
    guessSum += ans.back();
    
    ans.push_back(allSum - guessSum);
    
    cout << "! ";
    rep(i, 0, N) cout << ans[i] << (i == N - 1 ? '\n' : ' ');
}