Enums in C#

gistfile1.cs

class EnumTest
{
	public enum Cities { AnkhMorpork = 1, Ampridatvir, Lankhmar };
	public Cities cities { get; set; }

	public void WriteCities()
	{
		Cities test = (Cities)4711;
		Console.WriteLine(test);
		Console.WriteLine(cities);
		Console.ReadKey();
	}
}

// Somewhere else
new EnumTest().WriteCities();

// Does it compile?
// Any runtime errors?
// If not, what's the output?