namespace ConsoleApp1;

using System.Text;

public class Task16
{
    public void Run()
    {
        Console.InputEncoding = Encoding.Unicode;
        Console.OutputEncoding = Encoding.Unicode;

        Random random = new Random();
        int includedLowBound = 1;
        int excludedHighBound = 28;

        bool canExit = false;

        while ( canExit == false )
        {
            Console.Clear();

            int sourceNumber = random.Next( includedLowBound, excludedHighBound );

            int threeDigitsLowBound = 100;
            int threeDigitsHighBound = 999;
            int multipliedNumber = sourceNumber;
            int multipliedNumbersInThreeDigitsRangeCount = 0;

            while ( multipliedNumber <= threeDigitsHighBound )
            {
                if ( multipliedNumber >= threeDigitsLowBound )
                    multipliedNumbersInThreeDigitsRangeCount++;

                multipliedNumber += sourceNumber;
            }

            Console.WriteLine($"Source : {sourceNumber}, count of multiplied numbers in three-digits range : {multipliedNumbersInThreeDigitsRangeCount}");
            Console.WriteLine();

            string properlyExitAnswer = "n";
            Console.WriteLine( $"Continue? Enter \'{properlyExitAnswer}\' for exit" );
            string continueAnswer = Console.ReadLine();

            canExit = string.Equals( continueAnswer, properlyExitAnswer );
        }
    }
}