using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

public class Program

{

    public static void Main()

    {

        // Data source

        string[] names = { "Bill", "Steve", "James", "Mohan" };

        // LINQ Query 

        var myLinqQuery = from name in names

                  where name.Contains('a')

                  select name;

        // Query execution

        foreach(var name in myLinqQuery)

        {

            Console.WriteLine(name);

        }

    }

}