ekzamen/eekzamen/Program.cs

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

namespace eekzamen
{
    internal class Program
    {
        static void Main(string[] args)
        {
          Class1 class1 = new Class1();
            string a = "привет23";   string b = "вет3";
            Debug.Listeners.Add(new TextWriterTraceListener(Console.Out));
            Debug.AutoFlush = true;
            Debug.Indent();
            Debug.WriteLine($"строкипиарf '{a}' и '{b}' = '{class1.zz(a, b)}'");
            Debug.Unindent();
        fdsflgngnkvm   
        }
    }
}