#include 
#include 
#include 
#include 
#include 
using namespace std;

int main()
{
    int L, R;
    cin >> L >> R;
    int brojac = 0;
    for(int i = L; i <= R; i++) {
        int tmp = i;
        int site_cifri_se_delivi = 1;
        while(tmp > 0) {
            int cifra = tmp % 10;
            if(cifra == 0) {
                site_cifri_se_delivi = 0;
                break;
            }
            if(i % cifra != 0) {
                site_cifri_se_delivi = 0;
                break;
            }
            tmp /= 10;
        }
        int e_palindrom = 1;
        vector v;
        tmp = i;
        while(tmp > 0) {
            v.push_back(tmp % 10);
            tmp /= 10;
        }
        int a = 0, b = v.size() - 1;
        while(a < b) {
            if(v[a] != v[b]) {
                e_palindrom = 0;
                break;
            }
            a += 1;
            b -= 1;
        }
        if(e_palindrom == 1 or site_cifri_se_delivi == 1) {
            brojac += 1;
        }
    }
    cout << brojac << endl;
   
    return 0;
}