import java.util.Scanner;

public class Main {

	@SuppressWarnings("resource")
	public static void main(String args[]) {
		Scanner scanner = new Scanner(System.in);
		int a = scanner.nextInt();
		int b = scanner.nextInt();

		if ((a * b) % 2 == 0) {
			System.out.println("Even");
		} else {
			System.out.println("odd");
		}
	}
}