#include <iostream>
using namespace std;

int main()
{
	int num;
	cin >> num;

	switch (num)
	{
	case 1:cout << "Monday" << endl; break;
	case 2:cout << "Tuesday" << endl; break;
	case 3:cout << "Wednesday" << endl; break;
	case 4:cout << "Thursday" << endl; break;
	case 5:cout << "Friday" << endl; break;
	case 6:cout << "Saturday" << endl; break;
	case 7:cout << "Sunday" << endl; break;

	default: cout << "The number is not a valid day of the week" << endl;
	}

}