import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int day = 31;
        String str1 = sc.next();
        if(str1.equals("Sat") || str1.equals("Sun")) day++;
        String str2 = sc.next();
        if((str2.equals("Sat") || str2.equals("Sun")) && day == 32) day++;
        System.out.println("8/" + day);
    }
}