import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		long X = sc.nextLong();
		long Y = sc.nextLong();
		if (X%2==0||Y%2==0) {
			System.out.println("Even");
			return ;
		}
		System.out.println("Odd");
	}
}