#include <iostream>
using namespace std;

// Helper function to check if a year is a leap year
bool isLeapYear(int year) {
    if (year % 400 == 0) return true;
    if (year % 100 == 0) return false;
    return (year % 4 == 0);
}

// Function to calculate the total number of rows in the calendar for the given year
int countCalendarRows(int year) {
    // Days in each month (index 0 = January, 11 = December)
    int daysInMonth[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
    
    // Adjust February for leap year
    if (isLeapYear(year)) daysInMonth[1] = 29;

    int totalRows = 0;
    int currentDayOfWeek = 0; // Monday = 0 (January 1 starts on a Monday in this example)

    for (int month = 0; month < 12; ++month) {
        int days = daysInMonth[month];

        // Calculate the number of rows required for this month
        int rows = (days + currentDayOfWeek + 6) / 7;
        totalRows += rows;

        // Update the starting day of the next month
        currentDayOfWeek = (currentDayOfWeek + days) % 7;
    }

    return totalRows;
}

int main() {
    int year;
    cin >> year;
    cout << countCalendarRows(year) << endl;
    return 0;
}