// comments here!!!

​

using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter the number of draws");

        int draws = Convert.ToInt32(Console.ReadLine());

        // create a generator for random numbers

        Random random = new Random();

        // check the draws

        if (draws <= 0)

        {

            Console.WriteLine("Enter more than 1 draw");

        }

        else

        {

            // variable for looping

            int draw = 0;

​

            // loop

            while (draw < draws)

            {

                // generate 6 random numbers

​

                int n1 = random.Next(1, 50); 

​

                // starting with the second number, we use a loop

                // to make sure the numbers are distinct

                int n2 = random.Next(1, 50); 

                while (n2 == n1)

                {

                    n2 = random.Next(1, 50); 

                }

​

                int n3 = random.Next(1, 50);

                while (n3 == n1 || 

                       n3 == n2)

                {

                    n3 = random.Next(1, 50);

                }

​

                int n4 = random.Next(1, 50);

                while (n4 == n1 ||

                       n4 == n2 ||

                       n4 == n3)

                {

                    n4 = random.Next(1, 50);

                }

​

                int n5 = random.Next(1, 50);

                while (n5 == n1 ||

                       n5 == n2 ||

                       n5 == n3 ||

                       n5 == n4)

                {

                    n5 = random.Next(1, 50);

                }

​

                int n6 = random.Next(1, 50);

                while (n6 == n1 ||

                       n6 == n2 ||

                       n6 == n3 ||

                       n6 == n4 ||

                       n6 == n5)

                {

                    n6 = random.Next(1, 50);

                }

​

​

                // increase the draw by one

                draw++; // means "draw = draw + 1;"

                // add content to the list box

                Console.WriteLine("Draw " + draw + " = " +

                                     n1 + "," + 

                                     n2 + "," +

                                     n3 + "," +

                                     n4 + "," +

                                     n5 + "," +

                                     n6);

            }

        }

    }

}