namespace _142._Linked_List_Cycle_II
{
    internal class Program
    {
        static void Main(string[] args)
        {
            var l1 = new ListNode(3);
            var l2 = new ListNode(2);

            l1.next = l2;
            l2.next = l1;
            Console.WriteLine(new Solution().DetectCycle(l1)?.val);
        }
    }
}