Good Numbers

import java.util.Scanner;

public class Task5_GoodNumbers {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String line = scanner.nextLine();
        String[] input = line.split(" ");

        int firstNum = Integer.parseInt(input[0]);
        int secondNum = Integer.parseInt(input[1]);

        int counter = 0;
        boolean isGoodNumber = true;
        String s = "";

        for (int i = firstNum; i <= secondNum; i++) {
            s = Integer.toString(i);
            for (int j = 0; j < s.length(); j++) {
                if (s.charAt(j) - '0' == 0) {
                    continue;
                }
                if (i % (s.charAt(j) - '0') != 0) {
                    isGoodNumber = false;
                    break;
                }
            }
            if (isGoodNumber) {
                counter += 1;
            }
            isGoodNumber = true;
        }
        System.out.println(counter);
    }
}