import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner koko = new Scanner(System.in);
		long n = koko.nextLong();
		int m = koko.nextInt();
		long nama = n % 1000;
		long nmai = (n - nama) / 1000;
		long amari = nmai % m;
		if (amari == 0) {
			System.out.println(1);
		} else {
			int[][] judge = new int[m + 1][m + 1];
			for (int i = 0; i < m + 1; i++) {
				judge[0][i] = 1;
				judge[i][0] = 1;
			}
			for (int i = 1; i < m + 1; i++) {
				for (int j = 1; j < m + 1; j++) {
					judge[i][j] = (judge[i - 1][j] + judge[i][j - 1]) % 1000000000;
				}
			}
			long ans = judge[(int) (m - amari)][(int) amari];
			System.out.println(ans);
		}
	}
}