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