import java.util.Scanner;
public class Main {
	public static void main(String[] arg) {
		Scanner sc = new Scanner(System.in);	
		int a = sc.nextInt();
		int b = sc.nextInt();
		if(a * b % 2 == 0) {
			System.out.println("Even");
		}
		else {
			System.out.println("Odd");
		}	
	}

}