gistfile1.txt

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace УрокApp2
{
    internal class Program
    {
        static void Main(string[] args)
        {
            string name = "Аитов";
            string surname = "Шамиль";

            Console.WriteLine(surname + " " + name);
            (name, surname) = (surname, name);
            Console.WriteLine(surname + " " + name);
       }
    }
}