public static void Main (string[] args) { List<int> listA = new List<int> (new int[]{ 1, 99}); List<int> listB = new List<int> (new int[]{ 2,4,9,11,14,15}); int k = 5; Finder finder = new Finder (); int result = finder.FindSmallestElement (listA, listB, k); Console.WriteLine (result); }