using System;

using System.Linq;

using System.Collections.Generic;

public class Program

{

    static string S(IEnumerable<string> a) => String.Join(',', a);

    public static void Main()

    {

        string[] a = {"May", "June", "July"};

        Console.WriteLine(S(a));

        var a2 = a.Skip(1);

        Console.WriteLine(S(a2));

    }

}