//??????????????????
//????????????????????????
int DateToDay(int year,int month,int day)
{
	int a[]={0,31,59,90,120,151,181,212,243,273,304,334,365};	//??????????????????
	int b[]={0,31,60,91,121,152,182,213,244,274,305,335,366};	//???
	int d1,d2,d3;
	int leap;	//??
	leap=((year-1)/4)-((year-1)/100)+((year-1)/400);	//??????
	d1=leap*366+(year-1-leap)*365;			//?????
	if((year%4==0&&year%100!=0)||year%400==0)		//???????
		d2=b[month-1];		//?b??
	else					//??
		d2=a[month-1];		//?a??		//?????
	d3=day;
	return d1+d2+d3;
}

int main()
{
	int starty,startm,startd;
	int endy,endm,endd;
	int distance;
	cin>>starty>>startm>>startd;
	cin>>endy>>endm>>endd;
	distance=DateToDay(endy,endm,endd)-DateToDay(starty,startm,startd);
	cout<<distance<<endl;
	return 0;
}