#include <bits/stdc++.h>
using namespace std;
int main(){
  int N;
  cin >> N;
  vector<int> S(N + 1);
  S[0] = 0;
  S[N] = N * (N + 1) / 2;
  for (int i = 2; i < N; i++){
    cout << "? " << 1 << ' ' << i << endl;
    cin >> S[i];
  }
  cout << "? " << 2 << ' ' << N << endl;
  long long x;
  cin >> x;
  S[1] = S[N] - x;
  cout << "!";
  for (int i = 0; i < N; i++){
    cout << ' ' << S[i + 1] - S[i];
  }
  cout << endl;
}