using System;

using System.Threading;

public class Program

{

    class Counter

    {

        public int x;

        public int y;

    }

    static void Count(object obj)

    {

        Counter c = (Counter)obj;

        for (int i=0;i<9;i++)

        {

            Console.Write("     Secondary ");

            Console.WriteLine(i*c.x+i*c.y);

            Thread.Sleep(300);

        }

    }

    public static void Main()

    {

        Counter counter = new Counter();

        counter.x = 1;

        counter.y = 3;

        Thread th = new Thread(new ParameterizedThreadStart(Count));

        th.Start(counter);

        for (int i=0;i<9;i++)

        {

            Console.Write("Primary: ");

            Console.WriteLine(i*i);

            Thread.Sleep(400);

        }

    }

}