class Program6
    {
        static void Main(string[] args)
        {
            double janek, karol, dlug, xd;
            int dzien = 1;
            Console.WriteLine("Zadanie 6");
            janek = 50;
            karol = 40;
            dlug = 80;
            xd = 0;
            do
            {
                xd += 0.2 * janek + 0.2 * karol;
                Console.WriteLine("Dzien = {0} Spłata = {1}", dzien++, xd);


            }
            while (dlug > xd);


        }


    }