#include <bits/stdc++.h>
using namespace std;
const long long MOD = 998244353;
int main(){
  int N, L, R;
  cin >> N >> L >> R;
  vector<int> A(N);
  for (int i = 0; i < N; i++){
    cin >> A[i];
  }
  vector<vector<long long>> dp(R + 1, vector<long long>(N, 0));
  for (int i = 1; i <= N; i++){
    for (int j = 1; i * j <= R && j <= A[i - 1]; j++){
      dp[i * j][i - 1] = 1;
    }
  }
  for (int i = 1; i <= R; i++){
    long long sum = 0;
    for (int j = 0; j < N; j++){
      sum += dp[i][j];
    }
    for (int j = 1; j <= N; j++){
      long long m = (sum - dp[i][j - 1]) % MOD;
      for (int k = 1; i + j * k <= R && k <= A[j - 1]; k++){
        dp[i + j * k][j - 1] += m;
        dp[i + j * k][j - 1] %= MOD;
      }
    }
  }
  long long ans = 0;
  for (int i = L; i <= R; i++){
    for (int j = 0; j < N; j++){
      ans += dp[i][j];
    }
  }
  ans %= MOD;
  cout << ans << endl;
}