#include <iostream>
using namespace std;

int main(void){
    int n,m;
    cin >> n >> m;
    int k = (n/1000)%m;
    int dp[1003][1003];
    dp[0][0] = 1;
    dp[0][1] = 0;
    for(int i=0; i<=m; i++){
        dp[i][0] = 1;
    }
    for(int i=1; i<=m; i++){
        for(int j=1; j<=i; j++){
            dp[i][j] = dp[i-1][j-1]+dp[i-1][j];
        }
    }
    cout << dp[m][k] << endl;
    return 0;
}