#include<bits/stdc++.h>
using namespace std;
const int months[] = {
    0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
};

bool cheak(int y)
{
    if((y % 100 != 0 && y % 4 == 0 ) || y % 400 == 0)
        return true;
    return false;
}

int get_sum(int y, int m, int d)
{
    int sum = 0;
    for(int i = 1; i < y; i ++)
        sum += (365 + cheak(i));
        
    for(int i = 1; i < m; i ++)
        if(i == 2) sum += (months[i] + cheak(y));
        else sum += months[i];
    
    sum += d;
    
    return sum;
}

int main()
{
    int y1, m1, d1, y2, m2, d2;
    while(~scanf("%04d%02d%02d%04d%02d%02d", &y1, &m1, &d1, &y2, &m2, &d2))
    {
        cout << abs(get_sum(y1, m1, d1) - get_sum(y2, m2, d2)) + 1<< endl;
    }

    return 0;
}