#include <stdlib.h>
#include <iostream>
#include <iomanip>

int MonthstoDays(int m);
int Days(int m,int d,int y);

bool LeapYear(int y);

using namespace std;

int main()
{
	int m,d,y;
	
    cout << "This program was designed by Heritage HS C++ A Team\n";
	
	cout << "Please enter a date in this format: mm dd yyyy ";
	cin >> m >> d >> y;
	
	cout << "\nOutput: There are " << Days(m,d,y) << " days until next Xmas\n";
	
    system("PAUSE");	
	return 0;
}

bool LeapYear(int y)
{
    if ( (y+1)%4==0)
        return true;
    return false;    
}

int MonthstoDays(int m,int y)
{
    switch(m)
    {
        case 1: return 31;break;
        case 2: if(LeapYear(y))
                        return 29;
                return 28;break;
        case 3: return 31;break;
        case 4: return 30;break;
        case 5: return 31;break;
        case 6: return 30;break;
        case 7: return 31;break;
        case 8: return 31;break;
        case 9: return 30;break;
        case 10: return 31;break;
        case 11: return 30;break;
        case 12: return 31;break;
    }            
}

int Days(int m,int d,int y)
{
     int ds;
     for(int i=m;i<=12;i++)
     {
          ds+=MonthstoDays(m,y);
     }    
          ds-= 6 + d;
     if((m==12 && d==25) && LeapYear(y) ) 
          ds=366;
     else if((m==12 && d==25) && !LeapYear(y) ) 
          ds=365;
     return ds;   
}