using System;

​

public class Program {

    class A {

        public static implicit operator int(A value) => 5;

    }

​

    public static void Main() {

        Console.WriteLine(new A() + new A());

        Console.WriteLine(new A() * new A());

        Console.WriteLine(new A() + 6);

        Console.WriteLine(new A() * 2);

        Console.WriteLine(new A() | 6);

        Console.WriteLine(new A() & 6);

        Console.WriteLine((double)new A());

        Console.WriteLine(Math.Cos(new A()));

    }

}

​