static void Main(string[] args) { int[] data = new int[] { 1, 5, 6, 8, 13, 45, 65, 121, 123, 163, 245, 334 }; int target = 123; BinarySearchTree bst = new BinarySearchTree(); var result = bst.FindElement(data, target) ? "Found element" : "Not found"; Console.WriteLine(result); }