using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;

class TEST{
	static void Main(){
		Sol mySol =new Sol();
		mySol.Solve();
	}
}

class Sol{
	public void Solve(){
		
		int N=S.Length;
		int[] dp=new int[M];
		int mod=(int)1e9+7;
		int[] nxt=new int[M];
		
		for(int i=0;i<N;i++){
			for(int j=0;j<M;j++)nxt[j]=dp[j];
			for(int j=0;j<M;j++){
				int nk=(j*10+(int)(S[i]-'0'))%M;
				nxt[nk]+=dp[j];if(nxt[nk]>=mod)nxt[nk]-=mod;
			}
			if(S[i]!='0'){
				int nk=(int)(S[i]-'0')%M;
				nxt[nk]+=1;if(nxt[nk]>=mod)nxt[nk]-=mod;
			}
			Swap(ref dp,ref nxt);
		}
		int zero=S.Count(x=>x=='0');
		Console.WriteLine((dp[0]+zero)%mod);
		
	}
	
	void Swap<T>(ref T a,ref T b){
		var tmp=a;a=b;b=tmp;
	}
	
	String S;
	int M;
	public Sol(){
		S=rs();
		M=ri();
	}

	static String rs(){return Console.ReadLine();}
	static int ri(){return int.Parse(Console.ReadLine());}
	static long rl(){return long.Parse(Console.ReadLine());}
	static double rd(){return double.Parse(Console.ReadLine());}
	static String[] rsa(char sep=' '){return Console.ReadLine().Split(sep);}
	static int[] ria(char sep=' '){return Array.ConvertAll(Console.ReadLine().Split(sep),e=>int.Parse(e));}
	static long[] rla(char sep=' '){return Array.ConvertAll(Console.ReadLine().Split(sep),e=>long.Parse(e));}
	static double[] rda(char sep=' '){return Array.ConvertAll(Console.ReadLine().Split(sep),e=>double.Parse(e));}
}