[StartCode]
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp8
{
    internal class Program
    {
        static void Main(string[] args)
        {
            int amountNumber = 0;
            int number ;
            int maxNumber = 27;
            int minNumber = 1;
            int maxLimit = 999;
            int minlimit = 99;

            Console.Write("Случайное число : ");
            Random random = new Random();
            number = random.Next(minNumber,maxNumber) ;
            Console.WriteLine(number);

            for(int i = maxLimit; i > minlimit; i -= number)
            {
                Console.WriteLine(amountNumber);
                amountNumber += 1;
            }
            Console.WriteLine(amountNumber+ " трехкратных чисел кратных у " + number);
        }
    }
}
[EndCode]