Multiply_Evens_by_Odds

using System;

namespace MultiplyEvensByOdds
{
    class Program
    {
        static void Main()
        {
            int number = int.Parse(Console.ReadLine());
            int sumOfEven = GetSumOfEvenNumbers(number);
            int sumOfOdd = GetSumOfOddNumbers(number);
            int result = GetMultipleOfEvenAndOdd(sumOfEven, sumOfOdd);
            Console.WriteLine(result);
        }
        static int GetSumOfEvenNumbers(int number)
        {
            //int dividedByTen = number / 10;
            int sumOfEven = 0;
            while (number != 0)//(dividedByTen != 0)
            {
                int singles = number % 10;
                if (singles % 2 == 0)//(Math.Abs(singles) % 2 == 0)
                {
                    sumOfEven += singles;
                }
                number = number / 10;
                //number = dividedByTen;
                //dividedByTen = number / 10;
            }
            return sumOfEven;
        }
        static int GetSumOfOddNumbers(int number)
        {

            int sumOfOdd = 0;
            //int dividedByTen = number / 10;
            while (number != 0)//(dividedByTen != 0)
            {
                int singles = number % 10;
                if (singles % 2 != 0)//(Math.Abs(singles) % 2 != 0)
                {
                    sumOfOdd += singles;
                }
                number = number / 10;
                //number = dividedByTen;
                //dividedByTen = number / 10;
            }
            sumOfOdd += number;
            return sumOfOdd;
        }
        static int GetMultipleOfEvenAndOdd(int sumOfEven, int sumOfOdd)
        {
            return sumOfOdd * sumOfEven;
        }
    }
}