#include <bits/stdc++.h>
using namespace std;
inline long long gcd(long long a, long long b) {
  a = ((a) < 0 ? -(a) : (a));
  b = ((b) < 0 ? -(b) : (b));
  while (b) {
    a = a % b;
    swap(a, b);
  }
  return a;
}
long long ext_gcd(long long A, long long B, long long* X, long long* Y) {
  long long x2, y2, x1, y1, x, y, r2, r1, q, r;
  x2 = 1;
  y2 = 0;
  x1 = 0;
  y1 = 1;
  for (r2 = A, r1 = B; r1 != 0;
       r2 = r1, r1 = r, x2 = x1, y2 = y1, x1 = x, y1 = y) {
    q = r2 / r1;
    r = r2 % r1;
    x = x2 - (q * x1);
    y = y2 - (q * y1);
  }
  *X = x2;
  *Y = y2;
  return r2;
}
inline long long modInv(long long a, long long m) {
  long long x, y;
  ext_gcd(a, m, &x, &y);
  x %= m;
  if (x < 0) x += m;
  return x;
}
inline long long bigmod(long long a, long long p, long long m) {
  long long res = 1 % m, x = a % m;
  while (p) {
    if (p & 1) res = (res * x) % m;
    x = (x * x) % m;
    p >>= 1;
  }
  return res;
}
const long long inf = 2147383647;
const long long mod = 1000000007;
const double pi = 2 * acos(0.0);
const double eps = 1e-11;
vector<long long> VA, VB;
long long N, D, M, A[100005], B[100005];
void solve() {
  cin >> N >> D >> M;
  for (int i = 0; i < N; i++) {
    long long a;
    cin >> a;
    if (a <= M) {
      VA.push_back(a);
    } else {
      VB.push_back(a);
    }
  }
  sort(VA.rbegin(), VA.rend());
  sort(VB.rbegin(), VB.rend());
  int szA = VA.size(), szB = VB.size();
  for (int i = 1; i <= szA; i++) {
    A[i] = VA[i - 1];
  }
  for (int i = 1; i <= szB; i++) {
    B[i] = VB[i - 1];
  }
  for (int i = 1; i <= szA; i++) {
    A[i] += A[i - 1];
  }
  for (int i = 1; i <= szB; i++) {
    B[i] += B[i - 1];
  }
  long long mx = 0;
  for (int i = 0; i <= szB; i++) {
    long long Bsum = B[i];
    long long remB = szB - i;
    long long baad = 0;
    if (i > 1) {
      baad = (i - 1) * D;
    }
    if (baad <= szA + remB) {
      long long rem = max(baad - remB, 0LL);
      long long Asum = A[szA - rem];
      long long tot = Asum + Bsum;
      mx = max(mx, tot);
    }
  }
  cout << mx << "\n";
}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  solve();
  return 0;
}
