class aaa{
	public static void main(String[] args){
		Scanner scan = new Scanner(System.in);
        String a = scan.next();
        String b = scan.next();
        String c = a*b
        
        If(c/2 = 0){
        	System.out.print("Even");
        }Else{
        	System.out.print("Odd");
        }
    }
}