#include<bits/stdc++.h>
namespace {
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-function"
#include<atcoder/all>
#pragma GCC diagnostic pop
using namespace std;
using namespace atcoder;
#define rep(i,n)for (int i = 0; i < int(n); ++i)
#define rrep(i,n)for (int i = int(n)-1; i >= 0; --i)
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
template<class T> void chmax(T& a, const T& b) { a = max(a, b); }
template<class T> void chmin(T& a, const T& b) { a = min(a, b); }
using ll = long long;
using P = pair<int,int>;
using VI = vector<int>;
using VVI = vector<VI>;
using VL = vector<ll>;
using VVL = vector<VL>;

} int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, a, b, x, y;
  cin >> n >> a >> b >> x >> y;
  VI h(n);
  rep(i, n) cin >> h[i];
  for(int& hi: h) {
    int cnt = min(a, hi / x);
    a -= cnt;
    hi -= cnt * x;
  }
  sort(all(h));
  h.resize(max(0, n - a));
  ll s = accumulate(all(h), 0LL);
  cout << (s <= ll(b) * y ? "Yes\n" : "No\n");
}