#include <bits/stdc++.h>
using namespace std;
int main() {
	vector<string> s = {
		"Monday",
		"Tuesday",
		"Wednesday",
		"Thursday",
		"Friday",
		"Saturday",
		"Sunday"};
	int n;
	cin >> n;
	cout << s[(n + 1) % 7] << endl;
	return 0;
}