import java.util.*;
class Main{
	public static void main(String[] args){
		Scanner scan = new Scanner(System.in);
		int a = scan.nextInt();
		int b = scan.nextInt();

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