// Number of days between two dates.
// Michael Rothstein
// 3/5/2014

#include <iostream>

using std::cin; using std::cout; using std::endl;

struct date{
  int month;
  int day;
  int year;
};

int day_in_year(date);

int main(){
  date d1,d2;
  cout << "What is the first date?";
  cin >> d1.month >> d1.day >> d1.year;
  cout << "What is the second date?";
  cin >> d2.month >> d2.day >> d2.year;

  int days1 = day_in_year(d1);
  int days2 = day_in_year(d2);
  int years = d2.year - d1.year;
  int difference = 365*years + days2 - days1;
  cout << "There are " << difference << " days between the two dates.\n";
}

int days[]={0,31,59,90,120,151,181,212,243,273,304,334,365};

int day_in_year(date d){
  return days[d.month-1]+d.day;
}