#include <cstdio>
#include <cstring>
#include <algorithm>
#include <cmath>
#include <iostream>
#include <string>
#include <set>
#include <map>
#include <vector>
#include <queue>
#define ll long long
#define db double
using namespace std;
ll n,ans[2003];
int main() {
	cin >> n;
	ll sum = (n + 1) * n / 2;
	for (ll i = n - 1;i >= 2;i--) {
		cout << "? 1 " << i << endl;
		ll x;
		cin >> x;
		ans[i + 1] = sum - x;
		sum = x;
	}
	ll mx = sum;
	sum = (n + 1) * n / 2;
	cout << "? 2 " << n << endl;
	ll k;
	cin >> k;
	ans[1] = sum - k;
	ans[2] = mx - ans[1];
	cout << "! ";
	for (ll i = 1;i <= n;i++) {
		cout << ans[i] << " ";
	}
	return 0;
}