from sys import stdin from heapq import heappush, heappop n, a, b, x, y, *h = map(int, stdin.read().split()) hq = [] for i in range(n): heappush(hq, -h[i]) for i in range(a): now = -heappop(hq) if now > x: kari = now - x heappush(hq, -kari) kari = 0 while hq: kari += -heappop(hq) if kari <= b * y: print("Yes") else: print("No")