using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = NN;
        var ans = new int[n];
        var sum = n * (n + 1) / 2;
        var tmp = 0;
        for (var i = 1; i + 1 < n; ++i)
        {
            WriteLine($"? {i + 1} {n}");
            var s = NN;
            ans[i - 1] = sum - s - tmp;
            tmp += ans[i - 1];
        }
        WriteLine($"? 1 {n - 1}");
        ans[n - 1] = sum - NN;
        ans[n - 2] = sum - tmp - ans[n - 1];
        WriteLine($"! {string.Join(" ", ans)}");
    }
}