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
#include<bits/stdc++.h>
#define ff first
#define ss second
#define mp make_pair
#define pb push_back
using namespace std;
typedef long long ll;
ll dp[19][10][48][5][7][8][9];
//length, first, mask, mod
inline bool isp(ll x)
{
	ll c=x;
	while(c)
	{
		if(c%10==0)	return 0;
		if(x%(c%10))	return 0;
		c/=10;
	}
	return 1;
}
ll l,r,w;
int main()
{
	scanf("%lld%lld",&l,&r);
	for(ll i=l;i<=r;++i)
	{
		if(isp(i))
		{
			++w;
//			printf("%lld\n",i);
		}
	}
	printf("%lld\n",w);
}