import java.time.LocalDate;  
import java.util.Scanner;  
  
public class Main {  
    public static void main(String[] args) throws Exception {  
        Scanner sc = new Scanner(System.in);  
  
        LocalDate date = LocalDate.of(2007,sc.nextInt(),sc.nextInt());  
        String[] days = {"MON", "TUE", "WED", "THU", "FRI", "SAT", "SUN"};  
  
        int dayOfWeek = date.getDayOfWeek().getValue()-1;  
  
        System.out.println(days[dayOfWeek]);  
    }  
}