02. Equal Sums Even Odd Position

using System;

namespace EqualSumsEvenOddPosition
{
    class Program
    {
        static void Main(string[] args)
        {
            int start = int.Parse(Console.ReadLine());
            int final = int.Parse(Console.ReadLine());

            for (int i = start; i <= final; i++)
            {
                int odd = 0;
                int even = 0;
                int digit = i;

                for (int x = 0; x < 6; x++)
                {
                    if (x % 2 == 0)
                    {
                        even += digit % 10;
                    }
                    else
                    {
                        odd += digit % 10;
                    }
                    digit /= 10;
                }

                if (odd == even)
                {
                    Console.Write(i + " ");
                }
            }
        }
    }
}

РЕШЕНИЕ С ТЕРНАРЕН ОПЕРАТОР:

using System;

namespace EqualSumsEvenOddPosition
{
    class Program
    {
        static void Main(string[] args)
        {
            int start = int.Parse(Console.ReadLine());
            int final = int.Parse(Console.ReadLine());

            for (int i = start; i <= final; i++)
            {
                int odd = 0;
                int even = 0;
                int digit = i;

                for (int x = 0; x < 6; x++)
                {
                    _ = x % 2 == 0 ? even += digit % 10 : odd += digit % 10;
                    digit /= 10;
                }

                Console.Write(odd == even ? i + " " : "");
            }
        }
    }
}


РЕШЕНИЕ С ТО.STRING():

using System;

namespace EqualSumsEvenOddPosition
{
    class Program
    {
        static void Main(string[] args)
        {
            int start = int.Parse(Console.ReadLine());
            int final = int.Parse(Console.ReadLine());

            for (int i = start; i <= final; i++)
            {
                int odd = 0;
                int even = 0;
                string current = i.ToString();
                for (int x = 0; x < current.Length; x++)
                {
                    int digit = int.Parse(current[x].ToString());

                    if (x % 2 == 0)
                    {
                        even += digit;
                    }
                    else
                    {
                        odd += digit;
                    }
                }

                if (odd == even)
                {
                    Console.Write(i + " ");
                }
            }
        }
    }
}