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

namespace SpeedTestCs
{
    class Aux
    {
        public double x, y, z;

        double Sfera 
        {
            get { return x*x + y*y + z*z; }
        }
        double XPlaneFunc
        {
            get { return x;}
        }
        double YPlaneFunc 
        {
            get { return y;}
        }
        double ZZZFunc()
        {
            double xmy = x - y; return xmy - Math.Round(xmy, 1);
        }
        double Spiral_()
        {
            double xk=x*20; double a=0.2; double b=1.5;
            double y1=y*b-a*Math.Sin(xk);
            double z1=z*b-a*Math.Cos(xk);
            return y1*y1 + z1*z1;
        }
        public bool Golova()
        {
            return XPlaneFunc < 0.0 && Sfera < 1.0 && !Shliz();
        }
        bool Spiral()
        {
            return  XPlaneFunc > 0.0 && XPlaneFunc < 1.75 && Math.Abs(Spiral_()) < 0.5;
        }
        bool Shliz()
        {
            return XPlaneFunc < -0.4 && YPlaneFunc < 0.1 && YPlaneFunc > -0.1;
        }
        bool Strokes()
        {
            return (Math.Abs(0.5 - XPlaneFunc) < 0.02
                || (XPlaneFunc > 0.5 && Math.Abs(ZZZFunc()) < 0.005))
                && !Spiral() && !Golova();
        }
        bool Wall()
        {
            return XPlaneFunc > 0.5 && !Strokes() && !Spiral();
        }
        public int GetColor()
        {
            if ( Golova() ) return 1;
            if ( Spiral() ) return 2;
            if ( Strokes() )return 3;
            if ( Wall() )   return 4;
            return 0;
        }
    };

    class Program
    {
        static void Main(string[] args)
        {
            Aux a = new Aux();
            DateTime t1 = DateTime.Now;
            for(int i = 0; i < 100; i++)
            {
                a.z = 0;
                for(a.y = -1.5; a.y < 1.5; a.y += 0.001)
                {
                    for(a.x = -1; a.x < 2; a.x += 0.001)
                    {
                        int c = a.GetColor();
                    }
                }   
            }
            DateTime t2 = DateTime.Now;
            Console.WriteLine("Elapsed {0} sec.\n", t2-t1);
        }
    }
}