
int main()
{
	int year1, month1, day1;
	int year2, month2, day2;
	int total=0;
	
	scanf("%d%d%d%d%d%d",&year1,&month1,&day1,&year2,&month2,&day2);
	
	for (; ; ) {
		if (year1 == year2 && month1 == month2 && day1 == day2) {
			break;
		}
		else {
			if (day1 == 31) {
				if (month1 == 1 || month1 == 3 || month1 == 5 || month1 == 7 || month1 == 8 || month1 == 10) {
					month1 ++;
					day1 = 0;
				}
				else if (month1 == 12) {
					day1 = 0;
					month1 = 1;
					year1 ++;
				}
			}
			else if(day1 == 30){
				if(month1 == 4 || month1 == 6 || month1 == 9 || month1 == 11) {
					month1 ++;
					day1 = 0;
				}
			}
			else if(day1 == 28) {
				if (month1 == 2) {
					if ((year1 % 4 == 0 && year1 % 100 != 0) || (year1 % 400 == 0)) {
						day1 = 0;
						month1 ++;
						total ++;
					}
					else {
						day1 = 0;
						month1 ++;
					}
				}
			}
		}
		total ++;
		day1 ++;
	}
	printf("%d",total);
	return 0;
}