#include<iostream>
using namespace std;

//Just like structures and classes, enums can be declared globally
enum Months { JAN = 1, FEB, MAR, APR, MAY, JUN, JUL, AUG, SEP, OCT, NOV, DEC};
// Here, JAN will take the value 1. Every consequent month will be incremented by 1 from the previous month.
//So, FEB = 2, MAR = 3, ...

int main()
{
	int num;
	cout<<"Enter the month of the year: ";
	cin>>num;

	Months month = (Months) num; // we perform a C-Style cast to turn an int into a Month
	
	//We can use Months as a type in a switch statement, and all the enumerated constants can be used as case labels,
	// since they are essentially integer constants
	switch(month)
	{
		case MAY: cout<<"You entered May";
			break;
		case JUL: cout<<"You entered July";
			break;
		case JUN: cout<<"You entered June";
			break;
		case JAN:
		case FEB:
		case MAR:
		case APR:
		case AUG:
		case SEP:
		case OCT:
		case NOV:
		case DEC: cout<<"You entered a month other than May, June or July";
			break;
		default: cout<<"Invalid month";
	}
	cout<<endl;

	//enums can also be declared and defined in a function.
	// That makes them local to that functions.
	// For example, the following enumerated type will be availabe in main, and nowhere else
	
	enum Sponge {SPONGEBOB = 2, PATRICK = 5, SQUIDWARD = 9, MRKRABS};

	cout<<"Mr. Krabs is "<<MRKRABS<<endl; //Enumerated constants can be printed, just like any other constant

	return 0;
}