int func(int,int,int);
int main()
{
 int startYear,startMonth,startDay,endYear,endMonth,endDay;
 cin>>startYear>>startMonth>>startDay>>endYear>>endMonth>>endDay;
 cout<<func(endYear,endMonth,endDay)-func(startYear,startMonth,startDay);
 return 0;
}
int func(int year,int month,int day)
{
 int sum=0,i,mping[12]={31,28,31,30,31,30,31,31,30,31,30,31},mrun[12]={31,29,31,30,31,30,31,31,30,31,30,31};
 for(i=1;i<year;i++)
  if((i%4==0&&i%100!=0)||(i%400==0))
   sum+=366;
  else
   sum+=365;
 if((year%4==0&&year%100!=0)||(year%400==0))
  for(i=0;i<month-1;i++)
   sum+=mrun[i];
 else
  for(i=0;i<month-1;i++)
   sum+=mping[i];
 sum+=day;
 return sum;
}