#include<stdio.h>

#include<iostream>

#include<string>

using namespace std;



//有两个日期，求两个日期之间的天数，如果两个日期是连续的我们规定他们之间的天数为两天

int main(){

    int arr[13] = {0,31,28,31,30,31,30,31,31,30,31,30,31};

    int d1,d2;

    while(cin>>d1>>d2){

        int year1 = d1 / 10000;

        int month1 = d1%10000/100;

        int day1 = d1%100;

        // cout<<year1 <<" " << month1<<" "<<day1;

        int year2 = d2 / 10000;

        int month2 = d2%10000/100;

        int day2 = d2%100;



        int n = 1;

       

        for(int i = 0; !(year1==year2&&month1==month2&&day1==day2);i++){

            bool isLeap = year1%400==0 || year1%100!=0&&year1%4==0;

            if(isLeap){

                arr[2] = 29;

            }

            ++day1;

            ++n;

            if(day1>arr[month1]){

                day1=1;

                month...