#include<bits/stdc++.h>
using namespace std;
using ll=long long;
#define rep(i,n) for(int i=0;i<n;i++)
#define rrep(i,n) for(int i=(n)-1;i>=0;i--)
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
template<class T> bool chmax(T &a, T b){if (a < b){a = b;return true;} else return false;}
template<class T> bool chmin(T &a, T b){if (a > b){a = b;return true;} else return false;}

int n;
int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cin>>n;
    int s=n*(n+1)/2,t=0;
    vector<int>ans;
    rep(i,n-2){
        cout<<"? "<<i+2<<" "<<n<<endl;
        int x;
        cin>>x;
        ans.push_back(s-x-t);
        t+=s-x-t;
    }
    cout<<"? "<<1<<" "<<n-1<<endl;
    int x;
    cin>>x;
    ans.push_back(x-t);
    ans.push_back(s-x);
    cout<<"! ";
    rep(i,n)cout<<ans[i]<<" ";
    cout<<endl;
}