from collections import defaultdict, deque, Counter
from heapq import heapify, heappop, heappush
import math
from copy import deepcopy
from itertools import combinations, permutations, product, combinations_with_replacement
from bisect import bisect_left, bisect_right

import sys

def input():
    return sys.stdin.readline().rstrip()
def getN():
    return int(input())
def getNM():
    return map(int, input().split())
def getList():
    return list(map(int, input().split()))
def getListGraph():
    return list(map(lambda x:int(x) - 1, input().split()))
def getArray(intn):
    return [int(input()) for i in range(intn)]

mod = 10 ** 9 + 7
MOD = 998244353
sys.setrecursionlimit(10000000)
inf = float('inf')
eps = 10 ** (-15)
dy = [0, 1, 0, -1]
dx = [1, 0, -1, 0]

#############
# Main Code #
#############

# まずAで減らす
N, A, B, X, Y = getNM()
H = getList()

for i in range(N):
    t = min(H[i] // X, A)
    H[i] -= X * t
    A -= t

H.sort()
for i in range(N - 1, -1, -1):
    if A:
        H[i] -= X
        A -= 1
H = [h if h >= 0 else 0 for h in H]

if B * Y >= sum(H):
    print('Yes')
else:
    print('No')