Program to print Fibonacci Numbers below 100 in c#

using System; class myclass {     static void Main()     {         int fn = 0;         int sn = 1;         int tn = 1;         Console.WriteLine(fn);         Console.WriteLine(sn);         while (true)         {             tn = fn + sn;             if (tn >= 100)             {                 break;             }             Console.WriteLine(tn);             fn = sn;             sn = tn;         }         Console.Read();     } }