LexicographicalComparison

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace LexicographicalComparison
{
    class Program
    {
        static void Main(string[] args)
        {
            //getting the char arrays as strings
            string input1 = Console.ReadLine();
            string input2 = Console.ReadLine();

            //transition to arrays
            char[] array1 = input1.ToCharArray();
            char[] array2 = input2.ToCharArray();

            int i = 0;
            int j = 0;
            bool equal = false;

            while(i<array1.Length && j < array2.Length)
            {
                if(array1[i] > array2[j])
                {
                    Console.WriteLine(input2);
                    equal = false;
                    break;
                }
                else if(array1[i] < array2[j])
                {
                    Console.WriteLine(input1);
                    equal = false;
                    break;
                }
                else
                {
                    equal = true;
                }
            }

            if(equal == true)
            {
                if(array1.Length < array2.Length)
                {
                    Console.WriteLine(array1);
                }
                else if(array1.Length > array2.Length)
                {
                    Console.WriteLine(array2);
                }
                else
                {
                    Console.WriteLine("No difference! ");
                }
            }
        }
    }
}