#define _USE_MATH_DEFINES
#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <queue>
#include <math.h>
#include <cmath>
#include <stack>
#include <map>
#include <set>
#include <numeric>
#include <iomanip>
#include <climits>
#include <functional>
#include <cassert>
#include <tuple>
using namespace std;
using ll = long long;

int N,M,K;
ll mod = 998244353;

int main() {

    cin >> N >> M >> K;
    vector dp(M, vector(1<<N, 0LL));
    for(int i = 0; i < 1<<N; ++i) dp[0][i] = 1;

    for(int i = 0; i < M-1; ++i) {
        for(int j = 0; j < 1<<N; ++j) {
            for(int k = 0; k < 1<<N; ++k) {
                int cnt = 0;
                for(int t = 0; t < N; ++t) {
                    if(((j>>t)&1) && ((k>>t)&1)) cnt++;
                }
                if(cnt >= K) {
                    dp[i+1][k] += dp[i][j];
                    dp[i+1][k] %= mod;
                }
            }
        }
    }

    ll ans = 0;
    for(int i = 0; i < 1<<N; ++i) {
        ans += dp[M-1][i];
        ans %= mod;
    }

    cout << ans << endl;

    // for(int i = 0; i < M; ++i) {
    //     for(int j = 0; j < 1<<N; ++j) {
    //         cout << "dp[" << i << "][" << j << "]:" << dp[i][j] << " ";
    //     }
    //     cout << endl;
    // }

}