Using Random to get a number that is less equal than 100. Finding the sum of all positive numbers less than numbers that are multiples of 3 or 5.

Sum of numbers

namespace MyCode
{
    internal class Program
    {
        static void Main(string[] args)
        {
            int minValue = 0;
            int maxValue = 100;
            int divider1 = 3;
            int divider2 = 5;
            int number = new Random().Next(minValue, maxValue);
            int sum = 0;

            for (int i = 0; i <= randomValue; i++)
            {
                if (i % divider1 == 0 || i % divider2 == 0) 
                {
                    sum += i;
                }
            }
            
            Console.WriteLine(sum);
        }
    }
}