//codeup1928 日期差值

//codeup1928 日期差值
//算法笔记P91 代码不同
#include <iostream>
using namespace std;

int months[13][2] = {
        {0,0},
        {31,31},
        {28,29},
        {31,31},
        {30,30},
        {31,31},
        {30,30},
        {31,31},
        {31,31},
        {30,30},
        {31,31},
        {30,30},
        {31,31},

};

int isLeap(int year){
    return ((year%4==0 && year%100!=0) || (year%400==0)) ? 1 : 0;
}

int main(){
    int temp1,temp2,y1,m1,d1,y2,m2,d2;
    while(cin>>temp1>>temp2){
        if(temp1>temp2){
            int temp = temp1;
            temp1 = temp2;
            temp2 = temp;
        }
        y1 = temp1 / 10000;
        m1 = temp1%10000/100;
        d1 = temp1%100;

        y2 = temp2 / 10000;
        m2 = temp2%10000/100;
        d2 = temp2%100;

        int days = 1;
        while(y1<y2 || m1<m2 || d1<d2){
            d1++;
            if(d1==months[m1][isLeap(y1)]+1){
                ++m1;
                d1 = 1;
            }
            if(m1==13){
                y1++;
                m1 = 1;
            }
            days++;
        }
        cout<<days<<endl;
    }

    return 0;
}