#include <iostream>
#include <string>
using namespace std;

int len;
string s;
int memo[10001][2][4][8];
int mod = 1000000007;

int valid(string s){
    int mod3 = 0;
    int mod8 = 0;
    bool hav3 = false;
    for(int i=0; i<len; i++){
        int c = s[i]-'0';
        mod3 = (mod3*10+c)%3;
        mod8 = (mod8*10+c)%8;
        if(c==3) hav3 = true;
    }
    return (mod3==0 || hav3) && mod8!=0 ? 1: 0;
}

int dfs(int d, int border, int thr, int egh){
    if(d==len){
        return memo[d][border][thr][egh] = thr%3==0&&egh!=0 ? 1: 0;
    }
    if(memo[d][border][thr][egh]>=0) return memo[d][border][thr][egh];
    int md = border==0?9:s[d]-'0';
    int ans = 0;
    for(int i=0; i<=md; i++){
        int nb = border&(i==md?1:0);
        int nthr;
        if(thr==3 || i==3) nthr = 3;
        else nthr = (thr*10+i)%3;
        ans = (ans+dfs(d+1, nb, nthr, (egh*10+i)%8))%mod;
    }
    return memo[d][border][thr][egh] = ans;
}

int calc(string str){
    s = str;
    len = str.size();
    for(int i=0; i<=len; i++){
        for(int j=0; j<2; j++){
            for(int k=0; k<4; k++){
                for(int l=0; l<8; l++) memo[i][j][k][l] = -1;
            }
        }
    }
    return dfs(0, 1, 0, 0);
}

int main(void){
    string a, b;
    cin >> a >> b;
    cout << ((calc(b)-calc(a)+valid(a)+mod)%mod) << endl;
    return 0;
}