#include <algorithm>
#include <cstdio>
#include <iostream>
#include <map>
#include <math.h>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <vector>
using namespace std;

#define ll long long
#define INF (1 << 30)
#define INFLL (1LL << 60)

unsigned ll kai(unsigned ll num){
	unsigned ll ans = num % 1000000000;
	for(unsigned ll i = ans - 1;i >= 1;i--){
		ans %= 1000000000;
		ans *= i;
	}
	ans %= 1000000000;
	return ans;
}

unsigned ll mCn(unsigned ll m,unsigned ll n){
	unsigned ll ans = kai(m) / (kai(m-n) * kai(n));
	return ans ;
}

int main() {
	unsigned ll n,m,amari;
	cin >> n >> m;
	amari = n % (1000 * m);
	amari = amari / 1000 * 1000;
	amari /= 1000;
	if(amari == 0) cout << 1 << endl;
	else cout << mCn(m,amari) << endl;
	return 0;
}