#include <cstdio>

using namespace std;
int dp[1001][2],n,k,i,j;
int main()
{
    freopen("kperms.in","r",stdin);
    freopen("kperms.out","w",stdout);
    scanf("%d%d",&n,&k);
    for(i=1;i<=n;i++)
        dp[i][0]=1;
    for(j=2;j<=k;j++)
       {
        for(i=2;i<=n;i++)
        dp[i][1]=(j*dp[i-1][1]+(i-j+1)*dp[i-1][0])%666013;
        for(i=1;i<=n;i++)
            dp[i][0]=dp[i][1];
       }
       printf("%d",dp[n][0]);

    return 0;
}