using System;
using System.IO;

public class TestMem
{
	public static void Main()
	{
		FileStream fs=File.OpenRead("/dev/urandom");
		MemoryStream ms=new MemoryStream();
		for(int i=0;i<200;i++)
		{
			byte []buf=new byte[1024];
			int size=fs.Read(buf,0,1024);
			Console.WriteLine(ms.GetBuffer().Length);
			ms.Write(buf,0,size);
		}
		Console.WriteLine(ms.GetBuffer().Length);
	}
}