#include <iostream>
#include <string>

using namespace std;

class dayOfWeek {
public:
    int dayNumber;
    string dayName;

    void setDay(int n) {
        dayNumber = n;
        switch (dayNumber) {
            case 1: dayName = "Sunday"; break;
            case 2: dayName = "Monday"; break;
            case 3: dayName = "Tuesday"; break;
            case 4: dayName = "Wednesday"; break;
            case 5: dayName = "Thursday"; break;
            case 6: dayName = "Friday"; break;
            case 7: dayName = "Saturday"; break;
            case 0: dayName = "Weekend"; break;
            default: dayName = "Invalid"; break;
        }
    }

    void printDay() {
        cout << dayName << endl;
    }
};

int main() {
    dayOfWeek day;
    int dayNumber;

    cin >> dayNumber;

    day.setDay(dayNumber);
    day.printDay();

    return 0;
}