#include <bits/stdc++.h>
using namespace std;
int query(int l, int r) {
    int res;
    cout << '?' << ' ' << l << ' ' << r << endl;
    cin >> res;
    return res;
}
int main() {
    int N;
    cin >> N;
    vector<int> S(N+1);
    S[1] = N*(N+1)/2-query(2, N);
    S[N] = N*(N+1)/2;
    for( int i = 2; i <= N-1; i++ ) S[i] = query(1, i);
    cout << '!';
    for( int i = 1; i <= N; i++ ) cout << ' ' << S[i]-S[i-1];
    cout << endl;
}