#include <bits/stdc++.h>
using namespace std;
typedef signed long long ll;

#undef _P
#define _P(...) (void)printf(__VA_ARGS__)
#define FOR(x,to) for(x=0;x<(to);x++)
#define FORR(x,arr) for(auto& x:arr)
#define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++)
#define ALL(a) (a.begin()),(a.end())
#define ZERO(a) memset(a,0,sizeof(a))
#define MINUS(a) memset(a,0xff,sizeof(a))
//-------------------------------------------------------

string S;
int M;
ll mo=1000000007;

ll from[20202];
ll to[20202];

void solve() {
	int i,j,k,l,r,x,y; string s;
	
	cin>>S>>M;
	ll ret=0;
	FORR(r,S) 
	from[0]=0;
	FORR(r,S) {
		ZERO(to);
		if(r=='0') {
			ret++;
			FOR(i,M) {
				to[i*10%M]+=from[i];
				to[i]+=from[i];
			}
		}
		else {
			FOR(i,M) {
				to[(i*10+r-'0')%M]+=from[i];
				to[i]+=from[i];
			}
			to[(r-'0')%M]++;
		}
		FOR(i,M) while(to[i]>=mo) to[i]-=mo;
		swap(from,to);
	}
	cout<<(from[0]+ret)%mo<<endl;
}


int main(int argc,char** argv){
	string s;int i;
	if(argc==1) ios::sync_with_stdio(false), cin.tie(0);
	FOR(i,argc-1) s+=argv[i+1],s+='\n';
	FOR(i,s.size()) ungetc(s[s.size()-1-i],stdin);
	solve(); return 0;
}