#include <iostream>
#include <cstdlib>
#include <string>   //for class string
using namespace std;

int main()
{
	const string a[] {
		"",	                      //dummy element has subscript 0
		"Partridge in a Pear Tree", //so that this element will be 1
		"Two Turtledoves",            //and this one will be 2
		"Three French hens",          //etc.
		"Four Colly Birds",
		"Five Golden rings",
		"Six Geese a-Laying",
		"Seven Swans a-Swimming",
		"Eight Maids a-Milking",
		"Nine Ladies Dancing",
		"Ten Lords a-Leeping",
		"Eleven Pipers Piping",
		"Tweleve Drummers Drumming",	
	};

	const size_t ndays {size(a)-1};       //Don't count the dummy.

	for (int day {1}; day <= ndays; ++day) {
		cout << "On the " << day;
		
		if (day == 1) {
			cout << "st";
		} else if (day == 2){
			cout << "nd";
		} else if (day == 3){
			cout << "rd";
		} else {
			cout << "th";
		}

		cout << " day of Christmas\n"
			<< "My true love gave to me\n";

		for (int gift {day}; gift >= 1; --gift) { 
			cout << "\t" << a[gift] << "\n";   //indent with a tab
		cout << "\n";   //Skip a line after each day.
	
		}
	}

	return EXIT_SUCCESS;
}