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