import java.util.Scanner;



public class GoodNumbers {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        //Read the input split by space, convert it to String Array
        String input = scanner.nextLine();
        String[] inputArr = input.split("\\s");
        int firstInt = Integer.parseInt(inputArr[0]);
        int finalInt = Integer.parseInt(inputArr[1]);

        int totalGoodCount = 0;

        for (int number = firstInt; number <= finalInt; number++) {

            //Create a char array that will hold the digits of the generated number
            //Integer.toString(idx).toCharArray();  - converts number to string to char array
            char[] charArray = Integer.toString(number).toCharArray();

            int count = 0;


            //Loop through the char array
            for (int k = 0; k < charArray.length; k++) {


                //get the int value of the character j
                int j = Character.getNumericValue(charArray[k]);


                // and check if the whole number can be divided by each of its digits
                if (j == 0 || (number % j) == 0) {
                    
                    //if yes, the number is divisible by j and count is incremented by 1
                    count++;

                }
            }

            //if count of digits that are divisible equals char array length
            //this means that the number is good
            if (count == charArray.length) {
                System.out.printf("%d good\n", number);
                totalGoodCount++;
            } else {
                System.out.printf("%d not good\n", number);
            }


        }
        System.out.println(totalGoodCount);
    }


}