package AtCoder;

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 %2 == 1) {
			System.out.println("Odd");
		}else {
			System.out.println("Even");
		}
	}
}
