#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    
    ll N,A,B,X,Y; cin >> N >> A >> B >> X >> Y;
    vector<ll> H(N);
    rep(i,N) cin >> H[i];

    rep(i,N) {
        ll a = min(H[i] / X, A);
        H[i] -= X * a;
        A -= a;
    }

    sort(H.begin(), H.end());
    ll S = B * Y, cnt = 0;
    rep(i,N) {
        ll D = min(H[i], S);
        H[i] -= D;
        S -= D;
        if(H[i] > 0) cnt++;
    }

    cout << (cnt <= A ? "Yes" : "No") << endl;
}