using System;
using System.IO;
using System.Collections.Generic;

class MainClass
{
    public static void Main()
    {
        FileStream fin;
        String s;
        String lofasz;
        List<String> utvonalak = new List<String>();

        try
        {
            fin = new FileStream("C:\\malamala.txt", FileMode.Open);
        }
        catch (FileNotFoundException exc)
        {
            Console.WriteLine(exc.Message + "Cannot open file.");
            return;
        }

        StreamReader fstr_in = new StreamReader(fin);

        // Read the file line-by-line.
        while ((lofasz = fstr_in.ReadLine()) != null  &&  (s = fstr_in.ReadLine()) != null)
        {
            utvonalak.Add(s);
        }

        fstr_in.Close();

        Random random = new Random();
        long tarhely=959447040;
        String targetpath=@"D:\Lejatszora";
        String aktual, filenev, targetfile;
        FileInfo meret;
        while (tarhely>0)
        {
        aktual = utvonalak[random.Next(1, utvonalak.Count)];
        filenev=Path.GetFileName(aktual);
        targetfile=Path.Combine(targetpath,filenev);
            File.Copy(aktual,targetfile);
            meret = new FileInfo(aktual);
            tarhely=tarhely - meret.Length;
        }

    }
}