import java.util.*;
import java.util.function.*;

class Main{
	public static void main(String[] $) {
		Scanner s=new Scanner(System.in);
		Predicate<String>f=t->"Sat".equals(t)||"Sun".equals(t);
		System.out.println(f.test(s.next())?f.test(s.next())?"8/33":"8/32":"8/31");
	}
}