using System;

namespace CSLight
{
    public class Program
    {
        static void Main(string[] args)
        {
            int number = 5;
            int upNumber = 7;
            bool isWorking = true;

            while (isWorking)
            {
                Console.WriteLine(number);
                number = number + upNumber;
                Console.ReadKey();
            }
        }
    }
}