Write a C# Sharp program to check three given integers (small, medium and large) and return true if the difference between small and medium and the difference between medium and large is same

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace exercises
{
   class Program
    {       
        static void Main(string[] args)
        {
            Console.WriteLine(test(4, 5, 6));
            Console.WriteLine(test(7, 12, 13));
            Console.WriteLine(test(-1, 0, 1));
            Console.ReadLine();
        }       
         public static bool test(int x, int y, int z)
         {
            if (x > y && x > z && y > z) return x - y == y - z;
            if (x > y && x > z && z > y) return x - z == z - y;
            if (y > x && y > z && x > z) return y - x == x - z;
            if (y > x && y > z && z > x) return y - z == z - x;
            if (z > x && z > y && x > y) return z - x == x - y;
            return z - y == y - x;
         }
  }
}