#include <stdio.h>

typedef struct {
	int key, id;
} data;

typedef struct {
	data obj[100001];
	int size;
} max_heap;

void push(max_heap* h, data x)
{
	int i = ++(h->size), j = i >> 1;
	data tmp;
	h->obj[i] = x;
	while (j > 0) {
		if (h->obj[i].key > h->obj[j].key) {
			tmp = h->obj[j];
			h->obj[j] = h->obj[i];
			h->obj[i] = tmp;
			i = j;
			j >>= 1;
		} else break;
	}
}

data pop(max_heap* h)
{
	int i = 1, j = 2;
	data output = h->obj[1], tmp;
	h->obj[1] = h->obj[(h->size)--];
	while (j <= h->size) {
		if (j < h->size && h->obj[j^1].key > h->obj[j].key) j ^= 1;
		if (h->obj[j].key > h->obj[i].key) {
			tmp = h->obj[j];
			h->obj[j] = h->obj[i];
			h->obj[i] = tmp;
			i = j;
			j <<= 1;
		} else break;
	}
	return output;
}

int main()
{
	int i, N, A, B, X, Y, H[100001];
	scanf("%d %d %d %d %d", &N, &A, &B, &X, &Y);
	for (i = 1; i <= N; i++) scanf("%d", &(H[i]));
	
	int j, a, l = 0, r = 1 << 30, m, YY, Z[100001];
	max_heap h;
	data d;
	while (l < r) {
		m = (l + r) / 2;
		h.size = 0;
		
		for (i = 1; i <= N; i++) {
			Z[i] = H[i] - m;
			if (Z[i] <= 0) continue;
			d.key = Z[i];
			d.id = i;
			push(&h, d);
		}
		for (i = 0; i < A; i++) {
			if (h.size == 0) break;
			d = pop(&h);
			j = d.id;
			Z[j] -= X;
			if (Z[j] <= 0) continue;
			d.key -= X;
			push(&h, d);
		}
		if (i < A) {
			r = m;
			continue;
		}
		
		for (i = 0, j = 1; i < B; i++) {
			YY = Y;
			while (YY > 0) {
				while (j <= N && Z[j] <= 0) j++;
				if (j <= N) {
					if (Z[j] <= YY) {
						YY -= Z[j];
						Z[j] = 0;
					} else {
						Z[j] -= YY;
						YY = 0;
					}
				} else break;
			}
			if (YY > 0) break;
		}
		while (j <= N && Z[j] <= 0) j++;
		if (j > N) r = m;
		else l = m + 1;
	}
	if (l == 0) printf("Yes\n");
	else printf("No\n");
	fflush(stdout);
	return 0;
}