#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define all(x) std::begin(x), std::end(x)
using namespace std;
using ll = long long;
void opvec1(vector<int> &vec);
void opvec2(vector<vector<int>> &vec);
void opset(set<int> &S);

int main() {
  int N, x = 0;
  cin >> N;
  vector<int> ans(N);
  rep(i, N+1) x += i;

  int sum = 0;
  rep(i, N - 1) {
    int a;
    if (!i) {
      cout << "? " << 2 << " " << N << endl;
      cin >> a;
      ans[i] = x - a;
    }
    else {
      cout << "? " << 1 << " " << i+1 << endl;
      cin >> a;
      ans[i] = a - sum;
    }
    sum += ans[i];
  }
  ans.back() = x - sum; 

  cout << "!";
  for (auto a: ans) {
    cout << " " << a;
  }
  cout << endl;
}

//
void opvec1(vector<int> &vec) {
  rep(i, vec.size()) cout << vec[i] << " ";
  cout << endl;
}
void opvec2(vector<vector<int>> &vec) {
  rep(i, vec.size()) {
    rep(j, vec[0].size()) cout << vec[i][j] << " ";
  cout << endl;
  }
}
void opset(set<int> &S) {
  for (auto s: S) cout << s << " ";
  cout << endl;
}