#include <iostream>

using namespace std;
const int N = 13;
int months_1[N] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
int months_2[N] = {0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};

bool LeapYear(int year) {
    return ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0);
}

int main() {

    int days = 0;
    //2019,2020
    if (LeapYear(2019))days += 366; else days += 365;
    if (LeapYear(2020))days += 366; else days += 365;
    //2021
    if (LeapYear(2021))
        for (int i = 1; i <= 3; ++i) days += months_2[i];
    else
        for (int i = 1; i <= 3; ++i) days += months_1[i];
    days+=9;
    //2018
    int d2 = 0;
    if (LeapYear(2018))
        for (int i = 1; i <= 3; ++i)d2 += months_2[i];
    else
        for (int i = 1; i <= 3; ++i) d2 += months_1[i];


    d2 += 17;
    if (LeapYear(2018)) days += 366 - d2;
    else days += 365 - d2;
    cout << days;
    return 0;
}