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

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

	int length[] {
		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(name)};   //number of elements in array

	cout << "Please type a month: ";
	string monthname;
	cin >> monthname;   //Input one word.

	if (!cin) {
		cerr << "Sorry, couldn't receive input.\n";
		return EXIT_FAILURE;
	}

	for (int i {0}; i < n; ++i) {
		if (name[i] == monthname) {   //Found the monthname!
			cout << name[i] << " (month number " << i+1 << ") has "
				<< length[i] << " days.\n";
			return EXIT_SUCCESS;
		}
	}

	cerr << "Sorry, couldn't find month '" << monthname << "'.\n";
	return EXIT_FAILURE;
}