#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint1000000007;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf 1000000000


int main(){
	
	long long n,m;
	cin>>n>>m;
	
	n /= 1000;
	
	int ans = n%m;
	
	vector<int> dp(1,1);
	
	rep(i,m){
		vector<int> ndp(dp.size()+1,0);
		rep(j,dp.size()){
			ndp[j] += dp[j];
			ndp[j] %= 1000000000;
			ndp[j+1] += dp[j];
			ndp[j+1] %= 1000000000;
		}
		swap(dp,ndp);
	}
	cout<<dp[ans]<<endl;
	
	return 0;
}