#include<bits/stdc++.h>
//ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
//clock_t start=clock();clock_t end=clock();cout<<(double)(end-start)/CLOCKS_PER_SEC<<endl;
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef unsigned int ui;
typedef pair<int,int> pii;
typedef pair<pii,int> ppii;
typedef pair<int,pii> pipi;
typedef pair<ll,ll> pll;
typedef pair<pll,ll> ppll;
typedef pair<ll,pll> plpl;
typedef tuple<ll,ll,ll> tl;
typedef pair<double,double> pdd;
typedef vector<vector<ll>> mat;
ll mod=1000000007;
ll mod2=998244353;
ll mod3=1000003;
ll mod4=998244853;
ll mod5=1000000009;
ll inf=1LL<<60;
double pi=3.141592653589793238462643383279L;
double eps=1e-14;
#define rep(i,m,n) for(ll i=m;i<n;i++)
#define rrep(i,n,m) for(ll i=n;i>=m;i--)
#define srep(itr,st) for(auto itr=st.begin();itr!=st.end();itr++)
#define mrep(itr,mp) for(auto itr=mp.begin();itr!=mp.end();itr++)
#define Max(a,b) a=max(a,b)
#define Min(a,b) a=min(a,b)
int dh[4]={1,-1,0,0};
int dw[4]={0,0,1,-1};
int ddh[8]={-1,-1,-1,0,0,1,1,1};
int ddw[8]={-1,0,1,-1,1,-1,0,1};
ll gcd(ll a,ll b){
    if(a<b)swap(a,b);
    if(b==0)return a;
    if(a%b==0)return b;
    return gcd(b,a%b);
}
ll Pow(ll n,ll k){
    ll ret=1;
    ll now=n;
    while(k>0){
        if(k&1)ret*=now;
        now*=now;
        k/=2;
    }
    return ret;
}
ll beki(ll n,ll k,ll md){
  ll ret=1;
  ll now=n;
  while(k>0){
    if(k%2==1){
      ret*=now;
      ret%=md;
    }
    now*=now;
    now%=md;
    k/=2;
  }
  return ret;
}
ll gyaku(ll n,ll md){
  return beki(n,md-2,md);
}
ll popcount(ll n){
    ll ret=0;
    ll u=n;
    while(u>0){
        ret+=u%2;
        u/=2;
        
    }
    return ret;
}

int main(){
    ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    ll n,k;cin>>n>>k;
    ll m=924844033;
    ll dp[2001][2005][2];
    memset(dp,0,sizeof dp);
    dp[1][0][0]=1;
    dp[1][1][1]=1;
    rep(i,1,n){
        rep(j,0,2001){
            if(dp[i][j][0]>0){
                (dp[i+1][j][0]+=dp[i][j][0])%=m;
                (dp[i+1][j+1][0]+=dp[i][j][0])%=m;
                (dp[i+1][j+1][1]+=dp[i][j][0])%=m;
            }
            if(dp[i][j][1]>0){
                (dp[i+1][j][0]+=dp[i][j][1])%=m;
                (dp[i+1][j+1][1]+=dp[i][j][1])%=m;
            }
        }
    }
  ll dpp[2001][2005][2];
    memset(dpp,0,sizeof dpp);
    dpp[1][0][0]=1;
    dpp[1][1][0]=1;
  dpp[1][1][1]=1;
    rep(i,1,n){
        rep(j,0,2001){
            if(dpp[i][j][0]>0){
                (dpp[i+1][j][0]+=dpp[i][j][0])%=m;
                (dpp[i+1][j+1][0]+=dpp[i][j][0])%=m;
                (dpp[i+1][j+1][1]+=dpp[i][j][0])%=m;
            }
            if(dpp[i][j][1]>0){
                (dpp[i+1][j][0]+=dpp[i][j][1])%=m;
                (dpp[i+1][j+1][1]+=dpp[i][j][1])%=m;
            }
        }
    }
  /*rep(i,1,4){
    rep(j,0,4)cout<<dp[i][j][0]<<" ";
    cout<<endl;
  }*/
    ll dp2[2001][2005];
    memset(dp2,0,sizeof dp2);
    dp2[0][0]=1;
  //rep(i,0,n)rep(j,0,n)cout<<dp2[i][j]<<" ";
    rep(i,1,2*k+1){
        if(i>n)break;
      
        int r=0;
        ll now=i;
        int cnt=1;
        for(;;){
            if(now+2*k>n){
                if(now+k<=n)r=1;
                break;
            }
            cnt++;
            now+=2*k;
        }
      //cout<<cnt<<endl;
        rep(j,0,2005){
            if(dp2[i-1][j]==0)break;
            rep(l,0,cnt+1){
                ll co=dp[cnt][l][0];
                if(r)(co+=dp[cnt][l][1])%=m;
              if(i>k){
                co=dpp[cnt][l][0];
                if(r)(co+=dpp[cnt][l][1])%=m;
              }
                (dp2[i][j+l]+=dp2[i-1][j]*co)%=m;
            }
        }
      
    }
  /*rep(i,0,n+1){
    cout<<dp2[2][i]<<endl;
  }*/
    ll ans=1;
    ll kai[2001];
    kai[0]=1;
    rep(i,0,2000){
        (kai[i+1]=kai[i]*(i+1)%m);
    }
    ans=kai[n];
    rep(i,1,n+1){
        ll sig=1;
        if(i%2){
            sig=-1;
        }
        ll y=dp2[min(2*k,n)][i]*kai[n-i]%m;
        y*=sig;
        y+=m;
        y%=m;
        ans+=y;
        ans%=m;
        
    }
    cout<<ans<<endl;
}







Measured memory_bytes: 157056