#include <iostream>
#include <vector>
#include <string>
#include <cstring>
#include <math.h>
#include <cmath>
#include <limits.h>
#include <map>
#include <unordered_map>
#include <set>
#include <queue>
#include <algorithm>
#include <functional>
#include <stdio.h>
using namespace std;

long long MOD = 1000000007;

int C[10001][10001];

long long func( int n, int r ) {


    if ( n/2 < r ) { r = n-r; }
    if ( r == 0 ) { return 1; }
    if ( C[n][r] > 0 ) { return C[n][r]; }

    C[n][r] = ( func( n-1, r ) + func( n-1, r-1 ) ) % ( (long long)1e9 );

    return C[n][r];
}


int main() {
    
    long long N,M;
    cin >> N >> M;

    int a = (N/1000)%M;
    
    long long ans = func( M, a );

    cout << ans << endl;
    

    return 0;
}