#include <stdio.h>
#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 4000000000000000001LL

int main(){

	vector<string> s = {"Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"};
	int n;
	cin>>n;
	n = (2 + n)%7;
	cout<<s[n]<<endl;
	
	return 0;
}