#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; }