#include <bits/stdc++.h>
using namespace std;

int main() {
  int N, S, sum = 0; cin >> N;
  vector<int> Answer;

  for (int i = 2; i <= N; i++) {
    cout << "? " << i << ' ' << N << endl;
    cin >> S;
    Answer.push_back((N + 1) * N / 2 - S - sum);
    sum += Answer.at(i - 2);
  }

  cout << "! ";
  for (int i = 0; i < (int)Answer.size(); i++) {
    if (i > 0) cout << ' ';
    cout << Answer.at(i);
  }
  cout << ' ' << (N + 1) * N / 2 - sum << endl;
}