package main

import (
	"bufio"
	"fmt"
	"io"
	"os"
	"strconv"
)

var iost *Iost

type Iost struct {
	Scanner *bufio.Scanner
	Writer  *bufio.Writer
}

func NewIost(fp io.Reader, wfp io.Writer) *Iost {
	const BufSize = 2000005
	scanner := bufio.NewScanner(fp)
	scanner.Split(bufio.ScanWords)
	scanner.Buffer(make([]byte, BufSize), BufSize)
	return &Iost{Scanner: scanner, Writer: bufio.NewWriter(wfp)}
}
func (i *Iost) Text() string {
	if !i.Scanner.Scan() {
		panic("scan failed")
	}
	return i.Scanner.Text()
}
func (i *Iost) Atoi(s string) int                 { x, _ := strconv.Atoi(s); return x }
func (i *Iost) GetNextInt() int                   { return i.Atoi(i.Text()) }
func (i *Iost) Atoi64(s string) int64             { x, _ := strconv.ParseInt(s, 10, 64); return x }
func (i *Iost) GetNextInt64() int64               { return i.Atoi64(i.Text()) }
func (i *Iost) Atof64(s string) float64           { x, _ := strconv.ParseFloat(s, 64); return x }
func (i *Iost) GetNextFloat64() float64           { return i.Atof64(i.Text()) }
func (i *Iost) Print(x ...interface{})            { fmt.Fprint(i.Writer, x...) }
func (i *Iost) Printf(s string, x ...interface{}) { fmt.Fprintf(i.Writer, s, x...) }
func (i *Iost) Println(x ...interface{})          { fmt.Fprintln(i.Writer, x...) }
func isLocal() bool                               { return os.Getenv("NICKEL") == "BACK" }
func main() {
	fp := os.Stdin
	wfp := os.Stdout
	if isLocal() {
		fp, _ = os.Open(os.Getenv("WELL_EVERYBODY_LIES_TOO_MUCH"))
	}
	iost = NewIost(fp, wfp)
	defer func() {
		iost.Writer.Flush()
	}()
	solve()
}
func solve() {
	s := iost.Text()
	n := len(s)
	ss := make([]int, n)
	var z int
	for i := 0; i < n; i++ {
		ss[i] = int(s[i] - '0')
		if ss[i] == 0 {
			z++
		}
	}
	m := iost.GetNextInt()
	dp := make([][2]int, m)
	dp[0][0] = 1
	for i := 0; i < n; i++ {
		dp2 := make([][2]int, m)
		for j := 0; j < m; j++ {
			for k := 0; k < 2; k++ {
				dp2[j][k] += dp[j][k]
				if dp2[j][k] >= Mod1000000007 {
					dp2[j][k] -= Mod1000000007
				}
				tj := (j*10 + ss[i]) % m
				tk := k
				if ss[i] > 0 {
					tk = 1
				}
				if tk == 0 {
					continue
				}
				dp2[tj][tk] += dp[j][k]
				if dp2[tj][tk] >= Mod1000000007 {
					dp2[tj][tk] -= Mod1000000007
				}
			}
		}
		dp, dp2 = dp2, dp
	}
	ans := dp[0][1] + z
	iost.Println(ans % Mod1000000007)
}

// Mod constants.
const (
	Mod1000000007 = 1000000007
	Mod998244353  = 998244353
)