import java.util.*;
 
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%2==0 || b%2==0){
			System.out.println("Even");
		}else{
			System.out.println("Odd");
		}
		return;
	}
}