#include<stdio.h>
#define MOD 10007

int n,k;
int f[305],a[305],d[305][305];

int main ()
{
    int i,j,z;
    freopen("permutari2.in","r",stdin);
    freopen("permutari2.out","w",stdout);
    scanf("%d%d",&n,&k);
    f[0]=1;
    for(i=1;i<=n;i++)
        f[i]=(f[i-1]*i)%MOD;
    a[0]=1;a[1]=1;
    for(i=2;i<=n;i++)
    {
        a[i]=f[i];
        for(j=1;j<i;j++)
        {
            a[i]-=a[j]*f[i-j];
            if(a[i]<0)
                a[i]+=MOD;
        }
    }
    for(i=1;i<=n;i++)
        d[1][i]=a[i];
    for(i=2;i<=k;i++)
        for(j=i;j<=n;j++)
            for(z=i-1;z<j;z++)
                d[i][j]=(d[i][j]+d[i-1][z]*a[j-z])%MOD;
    printf("%d\n",d[k][n]);
    return 0;
}