fn main() {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    let txt = s.trim();
    let sp: Vec<&str> = txt.split(" ").collect();
    let fst = sp[0];
    let snd = sp[1];
    if is_week_end(&fst) && is_week_end(&snd) {
        println!("8/33")
    } else if is_week_end(&fst) {
        println!("8/32");
    } else {
        println!("8/31");
    }
}
fn is_week_end(txt: &str) -> bool {
    return txt == "Sat" || txt == "Sun"
}