[Jumpstart C#] Conditional statements - integer numbers

// integer numbers { without operator star )

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _3.integer_numbers___without_operator_star__
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.Write("num1 = ");
            int num1 = Int32.Parse (Console.ReadLine());
            Console.Write("num2 = ");
            int num2 = Int32.Parse(Console.ReadLine());
            Console.Write("num3 = ");
            int num3 = Int32.Parse(Console.ReadLine());

            int negatives = 0;
            if (num1 < 0) negatives++;
            if (num2 < 0) negatives++;
            if (num3 < 0) negatives++;

            if (negatives % 2 == 0)
                Console.WriteLine("The product is a positive number");
            else
                Console.WriteLine("The product is a negative number");
        }
    }
}