fn main() {
    let mut ab = String::new();
    std::io::stdin().read_line(&mut ab).ok();
    let ab: Vec<&str> = ab.split_whitespace().collect();

    println!(
        "{}",
        match (ab[0], ab[1]) {
            ("0", "0") | ("2", "2") => 'E',
            ("0" | "1", _) | (_, "0" | "1") => 'S',
            _ => 'P',
        }
    );
}