Longest Area in Array

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

namespace ConsoleApplication4
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int index = 1;
            List<string> array = new List<string>();
            string input = Console.ReadLine();
            array.Add(input);
            while (index < n)
            {
                input = Console.ReadLine();
                array.Add(input);
                index++;
            }

            string currentBestString = array[0];
            int currentBestNumber = 0;
            int counter = 0;// counts the occurences
            int countNumbers = 0;// counts the number of the numbers
            while (countNumbers < n)
            {
                string m = array[countNumbers];
                for (int i = 0; i < n; i++)
                {
                    if (m == array[i])
                    {
                        counter++;
                    }
                }
                if (counter > currentBestNumber)
                {
                    currentBestNumber = counter;
                    currentBestString = m;
                }
                counter = 0;
                countNumbers++;
            }
            Console.WriteLine(currentBestNumber);
            int writerConsole = 0;
            do
            {
                Console.WriteLine(currentBestString);
                writerConsole++;
            } while (writerConsole < currentBestNumber);


        }
    }
}