#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define overload(_1, _2, _3, name, ...) name
#define _for(i, a, b) for(int i = int(a); i<int(b); ++i)
#define _rep(i, n) _for(i, 0, n)
#define rep(...) overload(__VA_ARGS__, _for, _rep,)(__VA_ARGS__)
#define _rfor(i, a, b) for(int i = int(a) - 1; i >= int(b); --i)
#define _rrep(i, n) _rfor(i, n, 0)
#define rrep(...) overload(__VA_ARGS__, _rfor, _rrep,)(__VA_ARGS__)
template<class T> inline bool chmax(T&a, T b){ if(a < b){a = b; return 1;} return 0; }
template<class T> inline bool chmin(T&a, T b){ if(a > b){a = b; return 1;} return 0; }

const int mod = 1e9 + 7;
string a, b;
int dp[101010][2][2][3][8];

int main () {
    cin.tie(0) -> sync_with_stdio(false);

    cin >> a >> b;
   
    auto calc = [&](string s, int f) {
        memset(dp, 0, sizeof(dp));
        dp[0][0][0][0][0] = 1;
        int n = s.size();
  
        rep(i, n)rep(j, 2)rep(k, 2)rep(l, 3)rep(m, 8) {
            rep(d, (j ? 9 : s[i] - '0') + 1) {
                (dp[i + 1][j || d < s[i] - '0'][k || d == 3][(l + d) % 3][(m * 10 + d) % 8] += dp[i][j][k][l][m]) %= mod;
            }
        }

        int sum = 0;
        rep(k, 2)rep(l, 3)rep(m, 8) {
            if((k || l == 0) && m) {
                (sum += dp[n][1][k][l][m]) %= mod;
                if(f) (sum += dp[n][0][k][l][m]) %= mod; 
            }
        }

        return sum;
    };

    cout << (calc(b, 1) - calc(a, 0) + mod) % mod << '\n';

    return 0;
}