namespace Util {  
  enum Color {Red, Blue, Green}
}


namespace MyJob {
  using System;
  using System.Drawing;
  
  class Test {
    
    // This method gets a predefined name of a System.Drawing.Color and
    // sets the value of Util.Color such that it corresponds to the
    // highest R, B or G component of the input color.
    // Call it like:
    //   ns Orange
    public static void Main(string[] arg) {
      if (arg.Length == 0) {
        Console.WriteLine("specify a color as an argument");
      } else {
        Color c = Color.FromName(arg[0]);
        if (c.IsKnownColor) {
          Util.Color color;
          if (c.R > c.B)
            if (c.R > c.G) color = Util.Color.Red;
            else color = Util.Color.Green;
          else // c.B >= c.R
            if (c.B > c.G) color = Util.Color.Blue;
            else color = Util.Color.Green;
          Console.WriteLine("R={0}, B={1}, G={2} ==> {3}", c.R, c.B, c.G, color);
        } else {
          Console.WriteLine(arg[0] + " is not a known color");
        }
      }
    }
  }
  
}