#include <iostream>   //includes cstddef, where size_t is defined
#include <cstdlib>
using namespace std;

int main()
{
	const int a[] = {
		31,   //January
		28,   //February, ignoring for now the possibility of leap year
		31,   //March
		30,   //April
		31,   //May
		30,   //June
		31,   //July
		31,   //August
		30,   //September
		31,   //October
		30,   //November
		31    //December
	};
	const size_t n = sizeof a / sizeof a[0];

	for (size_t i = 0; i < n; ++i) {
		cout << a[i] << "\n";
	}

	cout << "\n";

	for (const int *p = a; p < a + n; ++p) {
		cout << *p << "\n";
	}

	return EXIT_SUCCESS;
}