import sys
input = sys.stdin.readline
from collections import *

N, A, B, X, Y = map(int, input().split())
H = list(map(int, input().split()))
l = []

for Hi in H:
    l.append((X, Hi//X))
    l.append((Hi%X, 1))

l.sort(reverse=True)
decr = 0

for v, c in l:
    if A>c:
        decr += v*c
        A -= c
    else:
        decr += v*A
        break
    
if sum(H)-decr<=B*Y:
    print('Yes')
else:
    print('No')