using System;

public class Program

{

    struct B 

    {

        private readonly int _value;

        public B(int value) => _value = value;

        public static bool operator == (B first, B other) => first.Equals(other);

        public static bool operator != (B first, B other) => !(first == other);

    }

    public static void Main()

    {

        Console.WriteLine(new B(1) == new B(1));

        Console.WriteLine(new B(1) == new B(2));

    }

}