Equal sequence of elements in array

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

namespace Equal_Sequence_of_Elements_in_Array
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] inputArray = Console.ReadLine().Split(' ');
            int[] array = new int[inputArray.Length];
            int countEqual = 0;
            for (int i = 0; i < array.Length; i++)
            {
                array[i] = int.Parse(inputArray[i]);

                if (i != 0)
                {
                    if (array[i - 1] == array[i])
                    {
                        countEqual++;
                    }
                }

            }
            if (countEqual == array.Length - 1)
            {
                Console.WriteLine("Yes");
            }
            else
            {
                Console.WriteLine("No");
            }
        }
    }
}