using System;
using System.Threading;
class MainClass
{
public static void Countdown()
{
for (int i = 10; i > 0; i--)
{
Console.Write(i.ToString() + " ");
}
}
public static void Main()
{
Thread t2 = new Thread(new ThreadStart(Countdown));
t2.Priority=ThreadPriority.Highest;
Thread.CurrentThread.Priority=ThreadPriority.Lowest;
t2.Start();
}
}