#include "bits/stdc++.h"

/*
#include "boost/multiprecision/cpp_int.hpp"
namespace mp = boost::multiprecision;
using i128=mp::cpp_int;
*/

using namespace std;
typedef long long ll;
typedef int64_t i64;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<vvi> vvvi;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef vector<vvll> vvvll;
typedef vector<string> vs;
typedef vector<char> vc;
typedef vector<vc> vvc;
typedef vector<double> vd;
typedef vector<vd> vvd;
#define rep(i,a,n) for(int i=a;i<n;i++)
#define drep(i,a,n) for(int i=a;i>n;i--)
#define yes(ans) if(ans)cout<<"yes"<<endl;else cout<<"no"<<endl;
#define Yes(ans) if(ans)cout<<"Yes"<<endl;else cout<<"No"<<endl;
#define YES(ans) if(ans)cout<<"YES"<<endl;else cout<<"NO"<<endl;
#define iINF 1000000007
#define lINF 10000000000007
#define llINF 4000000000000000007
#define all(x) x.begin(),x.end()
#define so(x) sort(all(x))
#define re(x) reverse(all(x))
const double PI = acos(-1);

//累乗余り
ll modexpo(ll x,ll n,ll m){
    if(x==0) return 0;
    x%=m;
    ll ans=1;
    ll change=x;
    while(n>0){
        if(n%2==1){ans*=change; ans%=m;}
        change*=change;
        change%=m;
        n/=2;
    }
    return ans;
}

int main(){
    vll ex(10); ex[0]=1; rep(i,1,10) ex[i]=ex[i-1]*2;
    const ll mod=998244353;
    ll n,m,K; cin>>n>>m>>K;
    if(m==1){
        cout<<ex[n]<<endl;
        return 0;
    }
    
    ll N=ex[n];
    vvll dp(m,vll(N));
    
    rep(i,0,N) dp[0][i]=1;
    
    rep(i,1,m){
        rep(j,0,N){
            rep(k,0,N){
                ll cnt=0;
                rep(l,0,n){
                    if((j&k)&ex[l]) cnt++;
                }
                //cout<<cnt<<" ";
                if(cnt>=K) dp[i][j]+=dp[i-1][k];
                dp[i][j]%=mod;
            }
            /*cout<<endl;
            cout<<dp[i][j]<<" ";
            cout<<endl;*/
        }
        //cout<<endl;
    }
    /*rep(i,0,m){
        rep(j,0,N) cout<<dp[i][j]<<" ";
        cout<<endl;
    }*/
    
    ll ans=0;
    rep(i,0,N) ans+=dp[m-1][i];
    ans%=mod;
    cout<<ans<<endl;
}