fn main() {
	let mut s = String::new();
	std::io::stdin().read_line(&mut s).ok();
	let n: Vec<_> = s.split_whitespace().collect();
	println!(
		"{}",
		match (n[0], n[1]) {
			("0", "0") | ("2", "2") => 'E',
			(_, "0") | ("0", _) | (_, "1") | ("1", _) => 'S',
			_ => 'P',
		}
	)
}