#include<bits/stdc++.h>
using namespace std;
int m[] = {0,31,28,31,30,31,30,31,31,30,31,30,31};
int judge(int year){//用于判断闰年，修改2月份天数，并返回这一年有多少天
    int year_day;
    if(year % 400 == 0|| year %4 == 0 && year % 100 != 0) {
            m[2] = 29;
            year_day = 366;
    }
    else {
            m[2] = 28;
            year_day = 365;
    }
    return year_day;
}
int main(){
    int a,b;
    while(cin >> a >> b){
    int day = 0;
    int a_day,a_month,a_year,b_day,b_month,b_year = 0;

    a_day = a % 100;
    a_month = a / 100 % 100;
    a_year = a / 10000;
    b_day = b % 100;
    b_month = b / 100 % 100;
    b_y...