#include<bits/stdc++.h> #include<atcoder/all> #define chmin(x,y) (x) = min((x),(y)) #define chmax(x,y) (x) = max((x),(y)) #define ld long double using namespace std; using namespace atcoder; using ll = long long; using mint = modint998244353; const ll mod = 998244353; // using Graph = vector<vector<pair<int,int>>>; using Graph = vector<vector<int>>; const vector<int> dx = {1,0,-1,0}, dy = {0,1,0,-1}; int main(){ int N,M,K; cin >> N >> M >> K; //if(M == 1){ // cout << 0 << endl; // return 0; //} vector<vector<mint>> dp(M,vector<mint>(1<<N)); for(int i = 0; i < (1<<N); i++){ dp[0][i] = 1; } for(int i = 1; i < M; i++){ for(int j = 0; j < (1<<N); j++){ for(int k = 0; k < (1<<N); k++){ int l = __builtin_popcount(j&k); if(l >= K){ dp[i][k] += dp[i-1][j]; } } } } mint ans = 0; for(int j = 0; j < (1<<N); j++){ ans += dp[M-1][j]; } cout << ans.val() << endl; }