public class Program

{

     static void Main(string[] args)

    {

        Console.Write("Enter length of the array");

         int length = int.Parse(Console.ReadLine());

         int[] array1 = new int[length];

        Name( array1);

     }

​

         static void  Name( int[] array1)

         {

         int counter = 0;

         int bigCounter = 0;

         int whatNum = 0;

         for (int i = 0; i < array1.Length - 1; i++)

         {

             if (array1[i] == array1[i + 1])

             {

                 counter++;

                 if (bigCounter <= counter)

                 {

                     bigCounter = counter;

                     whatNum = array1[i];

                 }

             }

             else

             {

                 counter = 0;

             }

         }

         Console.WriteLine("We have {0} members of this number \"(1)\" in the array", bigCounter + 1, whatNum);

         Console.ReadLine();

     }

}