using System;

using System.Linq;

using System.Collections. Generic;

​

public class Program

{

    public static void Main()

    {

         string result = "I love cats";

            string[] catNames = { "Dolly", "Bella", "Catty", "batty" };

            int[] numbers = { 1,2,5, 12, 50, 22, 36, 6,2,6,6, 7, 8 };

            var catWithNames = from cat in catNames

                where cat.Contains("l")

                where cat.Length <= 5

                select cat ;

            var getNums = from number in numbers

                          where (number > 5) 

                          select number;

        List<int> newNumbers = new List<int>();

        foreach (var number in numbers)

        {

            if(number < 5){

                newNumbers.Add(number);

            }

        }

         Console.WriteLine(string.Join(",", catWithNames)); 

         Console.WriteLine(string.Join(",", getNums));

         Console.WriteLine(string.Join(",", newNumbers));

    }

}