NewHw17

using System;

class Program
{
    static void Main(string[] args)
    {
        int maxRandomNumber = 28;
        int targetNumber = new Random().Next(maxRandomNumber);
        int multipleNumberCount = 1;
        int minNumbersRange = 99;
        int maxNumbersRange = 999;

        for (int i = targetNumber; maxNumbersRange - i >= targetNumber; i += targetNumber)
        {
            if (i > minNumbersRange)
            {
                multipleNumberCount++;
            }
        }

        Console.WriteLine($"{targetNumber}, {multipleNumberCount}");
        Console.ReadKey();
    }
}