#include <stdio.h>

#define for_i(i, range, inner)                                                 \
    {                                                                          \
        int i;                                                                 \
        for (i = 0; i < range; i++)                                            \
            inner;                                                             \
    }

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

int is_leap_year(int year) {
    if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0) {
        return 1;
    } else {
        return 0;
    }
}

int get_day_of_month(int year, int month) {
    switch (month) {
    case 1:
    case 3:
    case 5:
    case 7:
    case 8:
    case 10:
    case 12:
        return 31;
    case 4:
    case 6:
    case 9:
    case 11:
        return 30;
    case 2:
        return is_leap_year(year) ? 29 : 28;
    default:
        return -1;
    }
}

int main() {
    Date date1, date2;
    int diff = 0;
    scanf("%d %d %d", &date1.year, &date1.month, &date1.day);
    scanf("%d %d %d", &date2.year, &date2.month, &date2.day);

    for_i(i, date1.month - 1, { diff += get_day_of_month(date1.year, i + 1); })
        diff += date1.day - 1;
    for_i(i, date2.month - 1, { diff -= get_day_of_month(date2.year, i + 1); })
        diff -= date2.day - 1;
    {
        int year_max = date1.year > date2.year ? date1.year : date2.year;
        int year_min = date1.year < date2.year ? date1.year : date2.year;
        int sign = date1.year > date2.year ? 1 : -1;
        int i;
        for (i = year_min; i < year_max; i++) {
            diff += sign * (is_leap_year(i) ? 366 : 365);
        }
    }
    if (diff < 0) {
        diff = -diff;
    }
    printf("%d\n", diff);
    return 0;
}