Telerik Exam. Nightmare on Code Street

namespace _2.NightmareOnCodeStreet
{
    using System;
    using System.Collections.Generic;
    using System.Linq;

    public class NightmareOnCodeStreet
    {
        public static void Main(string[] args)
        {
            checked
            {
                string inputText = Console.ReadLine();

                string[] symbols = new string[inputText.Length];
                for (int i = 0; i < symbols.Length; i++)
                {
                    symbols[i] = inputText[i].ToString();
                }

                int countOdds = 0;
                long sumOdds = 0;
                for (int i = 0; i < symbols.Length; i++)
                {
                    bool isDigit = false;
                    byte digit;
                    if (byte.TryParse(symbols[i], out digit))
                    {
                        isDigit = true;
                    }

                    if (isDigit && (i % 2) != 0)
                    {
                        sumOdds += digit;
                        countOdds++;
                    }
                }

                Console.WriteLine("{0} {1}", countOdds, sumOdds);
            }
        }
    }
}