cppDaysInMonth

#include <iostream>

// 1        2       3       4       5       6       7    #   8       9       10      11      12
// 31       28      31      30      31      30      31   #   31      30      31      30      31
// (month < 8)                                            (month >= 8)
// (month % 2 != 0)                                       (month % 2 == 0)
//((month < 8) and (month % 2 != 0)) or ((month >= 8) and (month % 2 == 0))
int main()
{
    int month{ 5 };
    int daysInMonth{30};

    std::cout << "Enter month number from 1 to 12\n";
    std::cin >> month;

    daysInMonth += (((month < 8) and (month % 2 != 0)) or ((month >= 8) and (month % 2 == 0))) + ((month == 2)*(-2));

    std::cout << "There are " << daysInMonth << " days in " << month << " month\n";

    return 0;
}