#include <cstdio>
#include <cstring>
#include <cmath>
#include <climits>
#include <iostream>
#include <iomanip>
#include <list>
#include <stack>
#include <queue>
#include <vector>
#include <map>
#include <set>
#include <string>
#include <utility>
#include <algorithm>
#include <numeric>
#include <functional>

#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--)
#define REP(i,n) for (int i=0;i<(n);i++)
#define RREP(i,n) for (int i=(n)-1;i>=0;i--)
#define ALL(a) (a).begin(),(a).end()

using namespace std;
typedef long long ll;

ll N, M;
ll dp[10010][10010];
ll P = 1000000000;

int main(int argc, char *argv[])
{
  cin.tie(0);
  ios::sync_with_stdio(false);

  cin >> N >> M;
  N /= 1000;
  N %= M;
  dp[0][0] = 1;
  REP(i,10001) REP(j,10001) {
    dp[i+1][j] += dp[i][j];
    dp[i+1][j+1] += dp[i][j];
  }
  cout << dp[M][N] << endl;
  return 0;
}