#include <bits/stdc++.h>
using namespace std;

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

//闰年判断
bool is366 (int year) {
	if (year % 4 == 0 && year % 100 != 0)
		return true;
	if (year % 400 == 0)
		return true;
	return false;
} 

int main () {
	date begin, end;
	int mon[13] = {0, 31, 28, 31, 30, 31, 30 , 31, 31, 30, 31, 30, 31};
	scanf("%4d%2d%2d", &begin.year, &begin.month, &begin.day);
	scanf("%4d%2d%2d", &end.year, &end.month, &end.day);
	int a = 0;
	//按相差年份计算天数 
	a += (end.year - begin.year) * 365;
	//同步年，按相差月数计算天数
	for(int i = begin.month; i < end.month; ++i)
		a += mon[i];
	//同步年月，计算相差天数
	a += end.day - begin.day;
//	cout << "over:" << a << endl;
	//检查开始年是否少加一天
	if (begin.month <= 2 && begin.year != end.year) a += 1;
	if (begin.month <= 2 && end.month > 2) a += 1;
//	cout << "begin:" << a << endl;
	//判断中间年是否是闰年
	for(i...