#include <iostream>
 
using namespace std; 
 
int main()
{
  int mDays;
  int maxhours;
  char pkg = 'Z';
  cout << "Enter pkg A, B or C: ";
  cin >> pkg;
  if ( pkg == 'A' || pkg == 'a' || pkg == 'b' 
      || pkg == 'B' || pkg == 'C' || pkg == 'c' )
  {
    int month;
    cout << "Enter Month 1 through 12: ";
    cin >> month;
    if ( month >= 1 && month <= 12 )
    {
      int hrs;
      cout << "Enter hrs: ";
      cin >> hrs;
      if ( month == 1 || month == 3 || month == 5 
          || month == 7 || month == 8 || month == 10 || month == 12 )
      {
        mDays = 31;
        maxhours = 744;
      }
      else if ( month == 4 || month == 6 || month == 9 || month == 11 )
      {
        mDays = 30;
        maxhours = 720;
      }
      else if ( month == 2 )
      {
        mDays = 28;
        maxhours = 672;
      }
      else
      {
        mDays = 29;
        maxhours = 696;
      }
      int yr;
      cout << "Enter Year 1990 - 2020" << endl;
      cin >> yr;
      if ( yr >= 1990 && month <= 2020 )
      {
        if ( ( yr % 4 ) != 0 ) //leap year
        {
        } 
      }
      else
      {
        cout << " Year " << yr << " invalid " << endl;
      } 
    }
    else
    {
      cout << "Month " << month << " invalid" << endl;
    } 
  }
  else
  {
    cout << "Inalid pkg value" << endl;
  }
}