Uno o dos números negativos Ejercicio C# - Curso de Programación C# (C Sharp)

using System;
public class Exercise27
{
    public static void Main()
    {
        int number1;
        int number2;

        Console.Write("number 1: ");
        number1 = Convert.ToInt32(Console.ReadLine());

        Console.Write("number 2: ");
        number2 = Convert.ToInt32(Console.ReadLine());

        if ((number1 < 0) && (number2 < 0))
            Console.WriteLine("the numbers are negative");

        else if ((number1 < 0) || (number2 < 0))
            Console.WriteLine("one is negative");

        else
            Console.WriteLine("none is negative");
    }
}