import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int x = sc.nextInt();
		sc.close();

		if (x < 3) {
			System.out.println("winter");
		} else if (x < 6) {
			System.out.println("spring");
		} else if (x < 9) {
			System.out.println("summer");
		} else if (x < 12) {
			System.out.println("fall");
		} else {
			System.out.println("winter");
		}
	}
}