Compare Char Arrays

using System;
using System.Linq;

class CompareCharArrays
{
    static void Main(string[] args)
    {
        char[] firstArray = Console.ReadLine()
            .Split()
            .Select(char.Parse)
            .ToArray();
        char[] secondArray = Console.ReadLine()
            .Split()
            .Select(char.Parse)
            .ToArray();

        int minLength = Math.Min(firstArray.Length, secondArray.Length);
        bool areEqual = true;

        areEqual = CompareChars(firstArray, secondArray, minLength, areEqual);
        CompareLengths(firstArray, secondArray, areEqual);
    }

    private static bool CompareChars(char[] firstArray, char[] secondArray, int minLength, bool areEqual)
    {
        for (int index = 0; index < minLength; index++)
        {
            if (firstArray[index] < secondArray[index])
            {
                PrintArrays(firstArray, secondArray);
                areEqual = false;
                break;
            }
            else if (firstArray[index] > secondArray[index])
            {
                PrintArrays(secondArray, firstArray);
                areEqual = false;
                break;
            }
        }

        return areEqual;
    }

    private static void CompareLengths(char[] firstArray, char[] secondArray, bool areEqual)
    {
        if (areEqual)
        {
            if (firstArray.Length <= secondArray.Length)
            {
                PrintArrays(firstArray, secondArray);
            }
            else
            {
                PrintArrays(secondArray, firstArray);
            }
        }
    }

    private static void PrintArrays(char[] firstArray, char[] secondArray)
    {
        Console.WriteLine(string.Join("", firstArray));
        Console.WriteLine(string.Join("", secondArray));
    }
}