#include <bits/stdc++.h>

using namespace std;

#define all(V) V.begin (), V.end ()

using LL = long long;

int getDayOfWeekFromDate(int day, int month, int year) {
    // Create a tm structure with the given date (month is 0-based)
    struct tm timeInfo = {};
    timeInfo.tm_mday = day;     // Day of the month
    timeInfo.tm_mon = month - 1; // Month is 0-based in struct tm (0 = January)
    timeInfo.tm_year = year - 1900; // Year since 1900
    
    // Convert the tm structure to time_t using mktime
    time_t t = mktime(&timeInfo);
    
    // Convert time_t to localtime (it will fill the tm structure)
    struct tm* localTime = localtime(&t);
    
    return localTime->tm_wday;
}

bool leap_year (int y) {
	return y % 400 == 0 or (y % 4 == 0 and y % 100 != 0);
}

void solve (int tc) {
	int year;
	cin >> year;
	int month[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
	if (leap_year (year)) month[1]++;
	int ans = 0;
	for(int i = 0; i < 12; i++) {
		int x = getDayOfWeekFromDate (1, i + 1, year);
		// cerr << i << ' ' << x << ' ';
		int cnt = 1;
		for (int j = 1; j < month[i]; j++) {
			x = (x + 1) % 7;
			if (x == 1) cnt++;
		}
		ans += cnt;
		// cerr << cnt << endl;
	}
	cout << ans << '\n';
}

int main () {
	cin.tie (nullptr) -> ios_base :: sync_with_stdio (false);
	int tests = 1;
	//cin >> tests;
	for (int tc = 1; tc <= tests; tc++) {
		solve (tc);
	}
	return 0;
}