using System;
using System.Web;
public class Program
{
public static void Main()
string nbspace = " ";
string text = HttpUtility.HtmlDecode(nbspace);
// 打開此行註解,就會印出 T
// text = text.Trim().Trim(new char[] { '\u00A0' });
string space = "";
if (String.Compare(space, text) == 0)
Console.WriteLine("T");
else
Console.WriteLine("F");
}