AIsOfCatan.HumanAgent.selectResource C# (CSharp) Method

        private Resource selectResource(Resource[] resources = null)
        {
            Console.WriteLine("Select a resource:");
            var res = resources ?? new Resource[] {Resource.Lumber, Resource.Brick, Resource.Grain, Resource.Ore, Resource.Wool};
            for (var i = 0; i < res.Length; i++)
            {
                Console.WriteLine((i+1)+")" + res[i]);
            }
            return res[int.Parse(Console.ReadLine()) - 1];
        }