#include <iostream>
using namespace std;

int main()
{

int num;
int days[12] = {31,28,31,30,31,30,31,31,30,31,30,31};


cout << "Enter a number of the month to see the number of days in that month: ";
cin >> num;

if (num > 0 && num <= 12)
{
--num;
cout << "Days of this month equal: " << days[num] << endl;
}
else
{
cout << "Invalid month" << endl;
}

//system("pause");
return 0;
} 	//end of main function