New task 2

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace HW
{
    class Program
    {
        static void Main(string[] args)
        {
            Random random = new Random();
            int maxNumber = 101;
            int firstDivider = 3;
            int secondDivider = 5;
            int number = random.Next(maxNumber);
            int amount = 0;

            for (int i = 0; i <= number; i++)
            {
                if (i % firstDivider == 0 && i % secondDivider == 0)
                {
                    amount += i;
                }
            }

            Console.WriteLine("Число " + number);
            Console.WriteLine("Результат " + amount);
        }
    }
}