using System;

​

public class Program

{

    public static void Main()

    {

        string restart = "Moheeet";

        while (restart != "q")

        {

            Console.WriteLine("Please enter an integer");

            string input = Console.ReadLine();

            int n;

            if (int.TryParse(input, out n)

            {

                int i = 0;

                do

                {

                    if (i % 3 == 0)

                        Console.WriteLine(i + "is divisible by 3");

                    i++;

                }

                while (i <= 0);

            }

​

            Console.WriteLine("press q to quit or anything else to continue.");

            restart = Console.ReadLine();

        }

    }

}