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");
        }
    }
 
 
}