using System;
using System.Linq;

class Program
{
    static void Main()
    {
        var a = Console.ReadLine().Split();
        if (a[0] == "Sat" || a[0] == "Sun")
        {
            if(a[1] == "Sat" || a[1] == "Sun")
            {
                Console.WriteLine("8/33");
            }
            else
            {
                Console.WriteLine("8/32");
            }
        }
        else
        {
            Console.WriteLine("8/31");
        }
    }
}