package algo;

import java.util.Scanner;

//import algo.*;

public class sample7 {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String s1 = sc.next();
		String s2 = sc.next();
		if (("Sun".equals(s1)) || ("Sat".equals(s1))) {
			if (("Sat".equals(s2)) || ("Sun".equals(s2))) {
				System.out.println("8/33");
			}
			else {
				System.out.println("8/32");
			}
		}
		else {
			System.out.println("8/31");
		}
	}
}