import java.util.*;

class Main{
    public static void main (String[] args) {
        
        Scanner s = new Scanner(System.in);
        String a =s.next();
        String b =s.next();
        String [] day = {"Mon","Tue","Wed","Thu","Fri","Sat","Sun"};
            if(a.equals(day[5])||a.equals(day[6])){
                if(b.equals(day[5])||b.equals(day[6])){
                    System.out.println("8/33");
                }else{
                    System.out.println("8/32");
                }
            }
                System.out.println("8/31");
    }
}