using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var list1 = new List<int> { 1,2,3 };

        var list2 = new List<int> {};

        var xorOfHashes1 = list1.Aggregate(0, (i,j) => i ^ j.GetHashCode());

        var xorOfHashes2 = list2.Aggregate(0, (i,j) => i ^ j.GetHashCode());

        Console.WriteLine(xorOfHashes1 == xorOfHashes2);

    }

}