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

namespace ConsoleApplication21
{
    class Program
    {
        static void Vymen<T>( ref T a, ref T b)
        {
            T pom = a; a = b; b = pom;
        }
        static void Main(string[] args)
        {


            System.IO.StreamReader sr
                = new System.IO.StreamReader(@"..\..\Program.cs");
            while (!sr.EndOfStream)
            {
                string s = sr.ReadLine();
                Console.WriteLine(s);
            }











            int a = 5;
            int b = 17;
            Console.WriteLine("a={0} b={1}",a,b);
            Vymen<int>(ref a, ref b);
            Console.WriteLine("a={0} b={1}", a, b);

            string sa = "pet";
            string sb = "sedmnact";
            Console.WriteLine("sa={0} sb={1}", sa, sb);
            Vymen<string>(ref sa, ref sb);
            Console.WriteLine("sa={0} sb={1}", sa, sb);

            double da = 5.00;
            double db = 17.00;
            Console.WriteLine("da={0} db={1}", da, db);
            Vymen<double>(ref da, ref db);
            Console.WriteLine("da={0} db={1}", da, db);

        }
    }
}