using System;
class EnumExample
{
public enum TimeOfDay :int
{
Morning=0,
Afternoon=1,
Evening=2
}
public static int Main()
{
WriteGreeting(TimeOfDay.Morning);
return 0;
}

static void WriteGreeting(TimeOfDay timeOfDay)
{
switch(timeOfDay)
{
case TimeOfDay.Morning:
Console.WriteLine("Good morning!");
break;
case TimeOfDay.Afternoon:
Console.WriteLine("Good afternoon");
break;
case TimeOfDay.Evening:
Console.WriteLine("Good evening!"); break; default: Console.WriteLine("Hello"); break; } }}

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