n, a, b, x, y = map(int, input().split())
h = list(map(int, input().split()))
for i in range(a): h[h.index(max(h))] -= x
for i in range(b):
	now = y
	for j in range(n):
		if h[j] < 0: continue
		tmp = min(h[j], now)
		now -= tmp
		h[j] -= tmp
print("Yes" if max(h) <= 0 else "No")