fn main() {
	let mut s = String::new();
	std::io::stdin().read_line(&mut s).ok();
	let a = match s.trim().parse::<u8>().unwrap() / 3 {
		1 => "spring",
		2 => "summer",
		3 => "fall",
		_ => "winter",
	};

	println!("{}", a);
}