#nullable enable

#region
var (_input, _iter) = (Array.Empty<string>(), 0);
T I<T>() where T : IParsable<T>
{
    while (_iter >= _input.Length) (_input, _iter) = (Console.ReadLine()!.Trim().Split(' '), 0);
    return T.Parse(_input[_iter++], null);
}
#endregion

var n = I<int>();
var l = new List<int>(){ 1 };
var ans = -1;
for (var q = 1; q <= n; q++)
{
    Console.WriteLine("? " + q);
    Console.WriteLine(string.Join(' ', l));
    ans = I<int>();
    var j = I<int>();
    if (ans < 0)
    {
        Console.WriteLine("! -1");
        return;
    }
    l.Add(j);
}
Console.WriteLine("! " + ans);