Write a C# Sharp program to check a given array of integers and return true if the value 5 appears 5 times and there are no 5 next to each other

using System;
namespace exercises
{
   class Program
    {       
        static void Main(string[] args)
        {               
         Console.WriteLine(test(new[] { 3, 5, 1, 5, 3, 5, 7, 5, 1, 5 })); 
         Console.WriteLine(test(new[] { 3, 5, 5, 5, 5, 5, 5})); 
         Console.WriteLine(test(new[] { 3, 5, 2, 5, 4, 5, 7,  5, 8,  5})); 
         Console.WriteLine(test(new[] { 2, 4, 5, 5, 5, 5})); 
        }           
       static bool test(int[] numbers)
         {
           bool flag = false;
            int five = 0;

            for (int i = 0; i < numbers.Length; i++)
            {
                if (numbers[i] == 5 && !flag)
                {
                    five++;
                    flag = true;
                }
                else
                {
                    flag = false;
                }
            }

            return five == 5;
         }    
   } 
}