import java.util.Scanner;

public class Main {

	public static void main(String[] args) {


		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		if(((a * b) % 2) == 1 ) {
			System.out.println("Odd");
		}else {
			System.out.println("Even");
		}

	}
}
