[StartCode]
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp3
{
    internal class Program
    {
        static void Main(string[] args)
        {
            string endRepeat;

            while (true)
            {
                Console.Write("Для выхода напишите 'exit': ");
                endRepeat = Console.ReadLine();
                if (endRepeat == "exit")
                {
                    break;
                }


            }

        }
    }
}
[EndCode]