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 % 2 == 0 || b % 2 == 0) {
			System.out.print("Even");
		} else {
			System.out.print("Odd");
		}
	}

}