#include <bits/stdc++.h>

using namespace std;

#define MAX_M 20001
#define MOD 1000000007
typedef long long ll;

int c2i(char c)
{
    return c - '0';
}

ll dp[2][MAX_M], res = 0;

int main()
{
    string S;
    int M;
    cin >> S >> M;

    memset(dp, 0, sizeof(dp));
    dp[0][c2i(S[0]) % M] = 1;
    res = dp[0][0];
    if (c2i(S[0]) == 0) dp[0][c2i(S[0])] = 0;
    for (int i = 1; i < (int)S.size(); i++) {
        int si = !(i & 1), ti = !si;
        int num = c2i(S[i]);
        int n = num;
        num %= M;
        if (num > 0 && n != 0) dp[si][num]++;
        for (int j = 0; j < M; j++) {
            dp[ti][(10*j + num) % M] += dp[si][j];
            dp[ti][(10*j + num) % M] %= MOD;
            dp[ti][j] += dp[si][j];
            dp[ti][j] %= MOD;
        }
        res += dp[ti][0];
        fill(dp[si], dp[si] + M, 0);
        res %= MOD;
    }
    cout << res%MOD << endl;
    return 0;
}