#include<bits/stdc++.h>
using namespace std;

int main(){
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n; cin >> n;
  int z = n%7;
  string s;
  if(z == 1) s = "Wednesday";
  else if(z == 2) s = "Thursday";
  else if(z == 3) s = "Friday";
  else if(z == 4) s = "Saturday";
  else if(z == 5) s = "Sunday";
  else if(z == 6) s = "Monday";
  else if(z == 0) s = "Tuesday";
  cout << s << '\n';
  return 0;
}