using System;

namespace learn
{
    class Program
    {
        static void Main(string[] args)
        {
            int minInputNumber = 0;
            int maxInputNumber = 28;

            Random random = new Random();
            int number = random.Next(minInputNumber, maxInputNumber);

            uint maxNumber = 1000;
            uint count = 0;
            int startNumber = 100;

            for (int i = 0; i < maxNumber; i += number)
            {
                if (i >= startNumber)
                    count++;
            }

            Console.WriteLine($"Число: {number} Количество: {count}");
            Console.ReadKey();
        }
    }
}