#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll=long long;

int main()
{
	int n;
	cin>>n;
	vector<string> s={"Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday","Monday"};
	cout<<s[n%7]<<endl;
	return 0;
}