using System;
using System.IO;
class program
{
    static void Main(string[] args)
    {
        string Filename = "C:\\Users\\DO IT\\Desktop\\HTML\\noco.txt";
        int linename = 2;
        string[] lines = File.ReadAllLines(Filename);


        if (linename > 0 && linename <= lines.Length) {
            Console.WriteLine($"line{linename} :{lines[linename - 1]}");
        }
        else
        {
            Console.WriteLine("lines number does nto exist");
        }

    }
}