import java.util.Scanner;

public class App {

    static boolean isTrue(String s) {
        String s1 = "Sun";
        String s2 = "Sat";
        return(s.equals(s1) || s.equals(s2));
    }
    public static void main(String[] args) {
        //System.out.println();
        Scanner scanner = new Scanner(System.in);
        
        String s1 = scanner.next();   
        String s2 = scanner.next();        

        if(isTrue(s1) && isTrue(s2)) System.out.println("8/33");
        else if(isTrue(s1)) System.out.println("8/32");
        else System.out.println("8/31");
        scanner.close();
    }
}