Mine

// Tiffany Sallee
// Lab6 (no page)
// Determine if month * day = specified year to produce an output message

# include <iostream>
# include <cstring>
# include <cmath>

using namespace std;

int main()

{
    //variable declaration
    int month = 0;
    int day = 0;
    int year = 0;
    int first = 0;
    int second = 0;
    
    //input month
    cout << "Please enter month in numeric form: ";
    cin >> month;
    
        // validate month format
        if (month < 1 || month > 12)
           {
           cout << "Error!  Please input valid month.\n" << endl;
           cout << "Reenter month in numeric form: ";
           cin >> month;
           }
        
    // input day
    cout << "Please enter day in numeric form: ";
    cin >> day;
    
        //validate day format
        {
          if (day < 1 || day > 31);       
          {
           cout << "Error!  Please input valid day.\n" << endl;
           cout << "Reenter day: ";
           cin >> day;
           }

           if
             (month == 2 && day > 28); // February has 28 days
           {
           cout << "Error!  Please input valid day.\n" << endl;
           cout << "Reenter day: ";
           cin >> day;
           }
           
           if ((month==9||month==4||month==6||month==11)&&day>30));  
              // 30 days has Sept, Apr, June & Nov
           {
           cout << "Error!  Please input valid day.\n" << endl;
           cout << "Reenter day: ";
           cin >> day;
          }        
    
    // input year
    cout << "Pleae enter year in 2 digit format: ";
    cin >> year;
        //validate year format
        if (year > 99)
            { 
              cout << "Error!  Please input a valid year: ";
              cin >> year;
            }
    
    // calculate formula to determine output
    {
       first = month*day;
       cout << first<<endl;
    }  
       
       if (first = year)
          cout << "Your date is MAGIC!\n";
       else 
            cout << "Your date is NOT magic.";    
    
    
    
    
        
    system ("pause");
    return 0;
}