Write a C# Sharp program to check if the sum of all 5' in the array exactly 15 in a given array of integers

using System;
namespace exercises
{
   class Program
    {       
        static void Main(string[] args)
        {       
        
         Console.WriteLine(test(new[] { 1, 5, 6, 9, 10, 17 })); 
         Console.WriteLine(test(new[] { 1, 5, 5, 5, 10, 17 })); 
         Console.WriteLine(test(new[] { 1, 1, 5, 5, 5, 5})); 

        }   
        
       static bool test(int[] nums)
         {
             int sum = 0;

            for (int i = 0; i < nums.Length; i++)
            {
                if (nums[i] == 5)
                    sum += 5;
            }

            return sum == 15;
          }
   } 
}