#include <iostream>
#include<cstdio>
using namespace std;
const int N=305;
int dp[N][N];
const int MOD=10007;
int mult(int a,int b){
  return a*b%MOD;
}
int ad(int a,int b){
  return (a+b)%MOD;
}
int main()
{
  FILE*fin,*fout;
  fin=fopen("permutari2.in","r");
  fout=fopen("permutari2.out","w");
  int n,k;
  fscanf(fin,"%d%d",&n,&k);
  int fact=1;
  for(int i=1;i<=n;i++){
    fact=mult(fact,i);
    dp[i][1]=fact-1;
    dp[i][i]=1;
    for(int j=2;j<i;j++){
      long long s=0;
      for(int x=1;x<i;x++){
        s+=dp[i-x][j-1]*dp[x][1];
      }
      s%=MOD;
      dp[i][j]=s;
      dp[i][1]-=dp[i][j];
      if(dp[i][1]<0)
        dp[i][1]+=MOD;
    }
  }
  fprintf(fout,"%d",dp[n][k]);
  return 0;
}