using System;

public class Program

{

    public static void Main()

    {

            string str= "xyz@gmail.com";

            string[] name=str.Split('@');

             if (name.Length > 1)

             {

                 Console.WriteLine("login name:{0}", name[0]);

                 Console.WriteLine("login Domain:{0}", name[1]);  

             }

​

    }

}