using System;

namespace ConsoleApp16
{
    internal class Program
    {
        static void Main(string[] args)
        {
            Random random = new Random();

            int minimumRandomNumber = 1;
            int maximumRandomNumber = 27;
            int resultingNumber = random.Next(minimumRandomNumber, maximumRandomNumber + 1);
            int minimumNaturalNumber = 100;
            int maximumNaturalNumber = 999;
            int quantityNaturalNumber = 0;

            for (int i = 0; i <= maximumNaturalNumber; i += resultingNumber)
            {
                if (i >= minimumNaturalNumber)
                {
                    quantityNaturalNumber++;
                }
            }

            Console.WriteLine($"{quantityNaturalNumber} трехзнаяных натуральных чисел кратных {resultingNumber}");
        }
    }
}