Method example

using System;
using System.Threading;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.Write("Enter the final number: ");
            int finalNum = int.Parse(Console.ReadLine());
            TopNumber(finalNum);


        }

        static void TopNumber(int finalNum)
        {
            for(int i = 1; i <= finalNum; i++)
            {
                bool divisable = false;
                bool oddNum = false;
                int helpNum = 0;
                int helpNum2 = i;
                int sum = 0;
                while (helpNum2 > 0)
                {
                    helpNum = helpNum2 % 10;
                    if(helpNum % 2 != 0)
                    {
                        oddNum = true;
                    }
                    sum += helpNum;
                    helpNum2 /= 10;
                }
                if(sum % 8 == 0)
                {
                    divisable = true;
                }

                if(divisable == true && oddNum == true)
                {
                    Console.WriteLine(i);
                }
            }
        }

    }
}