import java.io.*;
import java.util.*;
import java.util.stream.*;

public class Main {
    static final int MOD = 1000000007;
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        char[] inputs = sc.next().toCharArray();
        int length = inputs.length;
        int m = sc.nextInt();
        int[][] dp = new int[length + 1][m];
        int ans = 0;
        for (int i = 0; i < length; i++) {
            int x = inputs[i] - '0';
            for (int j = 0; j < m; j++) {
                dp[i + 1][j] += dp[i][j];
                dp[i + 1][j] %= MOD;
                dp[i + 1][(j * 10 + x) % m] += dp[i][j];
                dp[i + 1][(j * 10 + x) % m] %= MOD;
            }
            if (x == 0) {
                ans++;
            } else {
                dp[i + 1][x % m]++;
            }
        }
        System.out.println((dp[length][0] + ans) % MOD);
    }
}
class Utilities {
    static String arrayToLineString(Object[] arr) {
        return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n"));
    }
    
    static String arrayToLineString(int[] arr) {
        return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new));
    }
}
class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    StringBuilder sb = new StringBuilder();
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public double nextDouble() throws Exception {
        return Double.parseDouble(next());
    }
    
    public int[] nextIntArray() throws Exception {
        return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();
    }
    
    public String next() throws Exception {
        while (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
    
}