1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
#include <bits/stdc++.h>
using namespace std;

#define REP(i, n) for (int i = 0; i < (int)n; i++)
#define ST first
#define ND second
#define MP make_pair
#define PB push_back

typedef vector<int> VI;
typedef pair<int, int> PII;
typedef vector<PII> VPII;
typedef set<int> SI;
typedef long long LL;

#ifdef DEBUG
const bool debug = true;
#else
const bool debug = false;
#endif

// #define MULTI_TASK true

const int INF = 1000 * 1000 * 1000;
const LL INFLL = 1e18;
const int MAKSN = 1000 * 1000 + 13;
const LL MOD = 123456789LL;
LL N, M, k, l, a, b, c, d, L, R;
vector<LL> v;

void zeruj() {
    v.clear();
}

bool isGood(long long x) {
    LL tmp = x;
    while (tmp > 0) {
        if (tmp % 10 == 0) {
            return false;
        }

        if (x % (tmp % 10) != 0)
            return false;

        tmp /= 10;
    }

    return true;
}

void readIn() {
    cin >> L >> R;
    LL res = 0;
    for (LL i = L; i <= R; i++) {
        if (isGood(i)) {
            res++;
        }
    }
    cout << res << "\n";
}

void solve() {
}

int main() {
    ios_base::sync_with_stdio(0);
#ifdef MULTI_TASK
    int test;
    cin >> test;
    while (test--) {
#endif
        zeruj();
        readIn();
        solve();
#ifdef MULTI_TASK
    }
#endif
    return 0;
}