static void Main(string[] args)
 {
     PokemonCard[] pokemonCards = new PokemonCard[]
     {
         new PokemonCard("Pikachu", 60, 20),
         new PokemonCard("Raichu", 90, 120),
         new PokemonCard("Flareon", 90, 60),
         new PokemonCard("Parasect", 110, 80)
     };
     foreach (var card in pokemonCards)
     {
         Console.WriteLine(card);
     }
     Array.Sort(pokemonCards, PokemonCard.SortByAscendingAttackPower());
     Array.Sort(pokemonCards, PokemonCard.SortByDescendingHP());
     Console.WriteLine("\nSorted by ascending attack power and by descending HP array:");
     foreach (var card in pokemonCards)
     {
         Console.WriteLine(card);
     }
     Console.ReadKey();
 }