#include <iostream>
#include <cstdlib>
using namespace std;

int main()
{
	int a[] {
		31,	// 0 January
		28,	// 1 February
		31,	// 2 March
		30,	// 3 April
		31,	// 4 May
		30,	// 5 June
		31,	// 6 July
		31,	// 7 August
		30,	// 8 September
		31,	// 9 October
		30,	//10 November
		31	//11 December
	};

	int n {size(a)}; //the number of elements in the array
	int sum {0};

	for (int i {0}; i < n; ++i) {
		sum += a[i];        //means sum = sum + a[i]
	}

	cout << "The number of days in a (non-leap) year is " << sum << ".\n";
	return EXIT_SUCCESS;
}