using System;
using System.Collections.Generic;
using static System.Console;
namespace ConsoleApp
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] N = ReadLine().Split(' ');
            string s1 = N[0];
            string s2 = N[1];

            if(s1 == "Sat" || s1 == "Sun")
            {
                if(s2 == "Sat" || s2 == "Sun")
                {
                    WriteLine("8/33");
                }
                else
                {
                    WriteLine("8/32");
                }
            }
            else if(s1 == "Sat" || s1 == "Sun")
            {
                if(s2 != "Sat" || s2 != "Sun")
                {
                    WriteLine("8/32");
                }
            }
            else
            {
                WriteLine("8/31");
            }
        }
    }
}