08.02.Teleport Points moe

using System;
class TeleportPoints
{
    static void Main()
    {
        //друг вариант
        string input = "";
        for (int i = 0; i < 4; i++)
        {
            input += Console.ReadLine();
            input += ' ';
        }
        string[] inputSplit = input.Split(' ');
        double[] rectangular = new double[inputSplit.Length - 1];//трябва да е -1, за да не хване празният спеийс
        for (int i = 0; i < rectangular.Length; i++)
        {
            //rectangular[i] = Convert.ToDouble(inputSplit[i]);
            rectangular[i] = double.Parse(inputSplit[i]);
        }
        double R = double.Parse(Console.ReadLine());
        double H = double.Parse(Console.ReadLine());
        FindCoordinates(rectangular, R, H);
   }
    static void FindCoordinates(double[] rectangular, double R, double H)
    {
        int count = 0;
        for (double x = 0; x <= R; x += H)
        {
            for (double y = 0; y <= R; y += H)
            {
                if((x * x + y * y) <= R * R)
                {
                    if(x > rectangular[0] && x < rectangular[4]
                        && y > rectangular[1] && y < rectangular[5])
                    {
                        count++;
                    }
                }
            }
            for (double y = -H; y >= -R; y -= H)
            {
                if ((x * x + y * y) <= R * R)
                {
                    if (x > rectangular[0] && x < rectangular[4]
                        && y > rectangular[1] && y < rectangular[5])
                    {
                        count++;
                    }
                }
            }
        }
        for (double x = -H; x >= -R; x -= H)
        {
            for (double y = 0; y <= R; y += H)
            {
                if ((x * x + y * y) <= R * R)
                {
                    if (x > rectangular[0] && x < rectangular[4]
                        && y > rectangular[1] && y < rectangular[5])
                    {
                        count++;
                    }
                }
            }
            for (double y = -H; y >= -R; y -= H)
            {
                if ((x * x + y * y) <= R * R)
                {
                    if (x > rectangular[0] && x < rectangular[4]
                        && y > rectangular[1] && y < rectangular[5])
                    {
                        count++;
                    }
                 }
            }
        }
        Console.WriteLine(count);
    }
}