using System;

public class Hello
{
    static void Main()
    {
        string[] line = Console.ReadLine().Trim().Split(' ');
        var a91 = line[0];
        var a92 = line[1];
        getAns(a91, a92);
    }
    static bool check(string t) => (t == "Sat" | t == "Sun");
    static void getAns(string a91, string a92)
    {
        if (check(a91) && !check(a92)) { Console.WriteLine("8/32"); return; }
        else if (check(a91) && check(a92)) { Console.WriteLine("8/33"); return; }
        else Console.WriteLine("8/31");
    }
}