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

namespace YukiCoder2
{
    class Program
    {

        static void Main(string[] args)
        {
            ulong n = Console.ReadLine().Split(' ').Select(ulong.Parse).ToArray()[0];
            ulong m = Console.ReadLine().Split(' ').Select(ulong.Parse).ToArray()[0];
            ulong rest = (n /1000L) % m;
            if (rest == 0)
            {
                Console.WriteLine("1");
                return;
            }
            var buffer = new ulong[m+1,m+1];
            for (ulong i = 0; i < m+1; i++)
            {
                buffer[i, 0] = 1;
                buffer[i, i] = 1;
            }
            for (ulong i = 1; i < m+1; i++)
            {
                for (ulong k = 1; k < i; k++)
                {
                    buffer[i, k] = buffer[i - 1, k - 1] + buffer[i - 1, k];
                    buffer[i, k] %= 1000000000;
                }
            }
            Console.WriteLine(buffer[m,rest]);
        }
    }
}