import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scan=new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		if(a*b%2==0){
			System.out.println("Even");
		}
		else{
			System.out.println("Odd");
		}}}