#include <bits/stdc++.h>

using namespace std;
void fast_io() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
}

int main() {
    fast_io();
    int n, a, b;
    long long x, y;
    cin >> n >> a >> b >> x >> y;
    vector<long long> h(n);
    for (int i = 0; i < n; i++) {
        cin >> h[i];
        long long cnt = min((long long)a, h[i] / x);
        h[i] -= cnt * x;
        a -= cnt;
    }
    if (a >= n) {
        cout << "Yes" << endl;
        return 0;
    }
    sort(h.rbegin(), h.rend());
    long long su = 0;
    for (int i = a; i < n; i++) {
        su += h[i];
    }
    if (su <= y * b) {
        cout << "Yes" << endl;
    } else {
        cout << "No" << endl;
    }
}