Write a C# Sharp program to check a given integer and return true if it is within 10 of 100 or 200

using System;
namespace exercises
{
     class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine(test(103));
            Console.WriteLine(test(90));
            Console.WriteLine(test(89));
            Console.ReadLine();
        }
      public static bool test(int x)
        {
              if(Math.Abs(x - 100) <= 10 || Math.Abs(x - 200) <= 10)
                return true;
            return false;
        }
  }
}