Compare Char Arrays

using System;
using System.Linq;

namespace test
{
    class MainClass
    {
        public static void Main()
        {
            char[] arrFirst = Console.ReadLine()
                                     .Split(' ')
                                       .Select(char.Parse)
                                         .ToArray();
            char[] arrSecond = Console.ReadLine()
                                        .Split(' ')
                                          .Select(char.Parse)
                                            .ToArray();

            bool isTheFirstArr = false;


            for (int i = 0; i < Math.Min(arrFirst.Length, arrSecond.Length); i++)
            {
                if (arrFirst[i] < arrSecond[i])
                {
                    isTheFirstArr = true;
                }
                else if (arrFirst[i] > arrSecond[i])
                {
                    isTheFirstArr = false;
                }
                else
                {
                    if (arrFirst.Length > arrSecond.Length)
                    {
                        isTheFirstArr = false;
                    }
                    else
                    {
                        isTheFirstArr = true;
                    }
                }
            }

            if (isTheFirstArr)
            {
                Console.WriteLine(string.Join("", arrFirst));
                Console.WriteLine(string.Join("", arrSecond));
            }
            else
            {
                Console.WriteLine(string.Join("", arrDown));
                Console.WriteLine(string.Join("", arrUp));
            }
        }
    }
}