let () =
    let s1, s2 = Scanf.scanf "%s %s\n" (fun s1 s2 -> (s1, s2)) in 
    Printf.printf "%s\n" (if s1 = "Sat" || s1 = "Sun" then (if s2 = "Sat" || s2 = "Sun" then "8/33" else "8/32") else "8/31")