static void Main(string[] args)
        {
            int photosCount = 52;
            int countPerRow = 3;

            int fullRawsCount = photosCount / countPerRow;
            int overflowCount = photosCount % countPerRow;

            Console.WriteLine("Заполнится рядов - " + fullRawsCount);
            Console.WriteLine("Не влезет фотографий - " + overflowCount);


            Console.ReadLine();
        }