import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String month = in.next();
        String day = in.next();
        String year = in.next();
        String date = month+" "+day+" "+year;
        String[] weekDays = {" ", "SUNDAY", "MONDAY", "TUESDAY", "WEDNESDAY", "THURSDAY", "FRIDAY", "SATERDAY"};
        SimpleDateFormat f = new SimpleDateFormat("MM dd yyyy");
        //Calendar c = Calendar.getInstance();
        Date d = null;
        try{
            d = f.parse(date);
        }catch(ParseException e){
            e.printStackTrace();
        }
        Calendar c = Calendar.getInstance();
        c.setTime(d);
        System.out.print(weekDays[c.get(Calendar.DAY_OF_WEEK)]);
    }
}