#include<stdio.h>
#include<stdlib.h>
#include<math.h>

typedef long long int int64;

#define MAX(a,b) ((a)>(b)?(a):(b))
#define MIN(a,b) ((a)<(b)?(a):(b))
#define ABS(a) ((a)>(0)?(a):-(a))

void run(void){
  char *s=(char *)malloc(sizeof(char)*(10000+1));
  scanf("%s",s);
  int m;
  scanf("%d",&m);
  int *now=(int *)calloc(m,sizeof(int));
  int *next=(int *)calloc(m,sizeof(int));
  int cnt=0;
  const int mod=1000000007;
  int n;
  for(n=0;s[n]!='\0';n++){
    int d=s[n]-'0';
    int j;
    for(j=0;j<m;j++) next[j]=0;
    for(j=0;j<m;j++){
      int t=next[j]+now[j];
      next[j]=t>=mod?t-mod:t;
      t=next[(10*j+d)%m]+now[j];
      next[(10*j+d)%m]=t>=mod?t-mod:t;
    }
    if(d==0){
      cnt++;
    } else{
      next[d%m]=next[d%m]==mod-1?0:next[d%m]+1;
    }
    int *swap=now;
    now=next;
    next=swap;
  }
  printf("%d\n",(now[0]+cnt)%mod);
}

int main(void){
  run();
  return 0;
}