import java.util.*;

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 == 0) {
			System.out.println("Even");
		}else {
			System.out.println("Odd");
		}
		sc.close();
	}

}
