package m.shin;
import java.util.Scanner;
public class Con841 {

	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		String s1 = s.next() , s2 = s.next();
		s.close();

		if(s1.equals("Sat") || s1.equals("Sun")){
			if(s2.equals("Sun") || s2.equals("Sat")){
				System.out.println("8/33");
			}else{
				System.out.println("8/32");
			}
		}else{
			System.out.println("8/31");
		}

	}

}