using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            Application.Lock();
            if (Application["VisitorsCount"] == null)
            {
                Application["VisitorsCount"] = 1;
            }
            else
            {
                Application["VisitorsCount"] = Convert.ToString(Convert.ToInt32(Application["VisitorsCount"].ToString()) + 1);
                Application.UnLock();
                Response.Write(Application["VisitorsCount"].ToString());
            }
        }
    }
}