Program.cs

using System;

namespace ConsoleApp4
{
    internal class Program
    {
        static void Main(string[] args)
        {
            int picturesInAlbum = 52;
            int numberOfDisplayedImagesInRow = 3;
            int filledRows = picturesInAlbum / numberOfDisplayedImagesInRow;
            int beyondMeasureOfPicturesInRow = picturesInAlbum % numberOfDisplayedImagesInRow;
            Console.WriteLine($"Заполненные ряды {filledRows}");
            Console.WriteLine($"сверх меры {beyondMeasureOfPicturesInRow}");
        }
    }
}