#include <bits/stdc++.h>
#ifdef LOCAL
#include "./debug.cpp"
#else
#define debug(...)
#define print_line
#endif
using namespace std;
using ll = long long;

const int MOD = 998244353;

int main() {
    int N, M, K;
    cin >> N >> M >> K;

    vector<vector<int>> dp(M, vector<int>(1 << N, 0));
    for (int i = 0; i < 1 << N; i++) {
        if (__builtin_popcount(i) >= K) {
            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 l = 0; l < N; l++) {
                    if ((j >> l & 1) && (k >> l & 1)) {
                        cnt++;
                    }
                }
                if (cnt >= K) {
                    dp[i + 1][k] = (dp[i + 1][k] + dp[i][j]) % MOD;
                }
            }
        }
    }

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