fn main() {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    let s: Vec<&str> = s.trim().split_whitespace().collect();
    let s1 = s[0];
    let s2 = s[1];

    let target = vec!["Sat","Sun"];
    if target.contains(&s1) && target.contains(&s2) {
        println!("8/33")
    } else if target.contains(&s1) && !target.contains(&s2) {
        println!("8/32");
    } else {
        println!("8/31");
    }
}