Compare_Char_Arrays

using System;
using System.Linq;

namespace Compare_Char_Arrays
{
    class Program
    {
        static void Main(string[] args)
        {
            char[] word1 = Console.ReadLine().Split(' ').Select(char.Parse).ToArray();
            char[] word2 = Console.ReadLine().Split(' ').Select(char.Parse).ToArray();
            bool isFirst = false;

            for (int i = 0; i < Math.Min(word1.Length, word2.Length); i++)
            {
                if (word1[i] < word2[i])
                {
                    isFirst = true;
                    break;
                }
                else if (word1[i] > word2[i])
                {
                    isFirst = false;
                    break;
                }
                if (i == Math.Min(word1.Length, word2.Length) - 1)
                {
                    if (word1.Length < word2.Length)
                    {
                        isFirst = true;
                    }
                    else
                    {
                        isFirst = false;
                    }
                }
            }
            if (isFirst)
            {
                Console.WriteLine(string.Join("", word1));
                Console.WriteLine(string.Join("", word2));
            }
            else
            {
                Console.WriteLine(string.Join("", word2));
                Console.WriteLine(string.Join("", word1));
            }
        }
    }
}