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");
        }
      
      
      
    }
}