TopNumber/MethodsExercise

using System;

namespace _10.TopNumber
{
    class Program
    {
        static void Main(string[] args)
        {
            int number = int.Parse(Console.ReadLine());

            if (number < 0)
            {
                Environment.Exit(0);
            }

            for (int i = 1; i <= number; i++)
            {
                int currentNumber = i;
                bool isDivisibleByEight = CheckSumOfNumberDigits(currentNumber);
                bool isNumberHoldsOddDigit = CheckNumberForOddDigits(currentNumber);


                if ((isDivisibleByEight == true) && (isNumberHoldsOddDigit == true))
                {
                    Console.WriteLine(currentNumber);
                }

            }
        }

        private static bool CheckNumberForOddDigits(int currentNumber)
        {
            int counter = 0;
            currentNumber = currentNumber % 10;
            while (currentNumber != 0)
            {
                if (currentNumber % 2 != 0)
                {
                    counter++;

                    if (counter >= 1)
                    {
                        return true;
                    }
                }
                currentNumber = currentNumber / 10;
            }

            return false;
        }

        private static bool CheckSumOfNumberDigits(int currentNumber)
        {
            int sum = 0;
            while (currentNumber != 0)
            {
                sum += currentNumber % 10;
                currentNumber /= 10;
            }


            if (sum % 8 == 0)
            {
                return true;
            }

            return false;
            ;
        }
    }
}