n, a, b, x, y = map(int, input().split())
H = list(map(int, input().split()))
for i in range(a+1):
    cnt1 = 0
    H1 = [0]*n
    for j in range(n):
        H1[j] = H[j]
    for j in range(n):
        h = H[j]
        if cnt1+(h+x-1)//x <= i:
            H1[j] = 0
            cnt1 += (h+x-1)//x
        else:
            H1[j] = h-(a-cnt1)*x
            break
    cnt2 = 0
    for j in range(n):
        h = H1[j]
        if cnt2+h <= b*y:
            H1[j] = 0
            cnt2 += h
        else:
            H1[j] = h-(b*y-cnt2)
            break
    cnt3 = 0
    for h in H1:
        cnt3 += (h+x-1)//x
    if cnt3 <= a-i:
        print('Yes')
        exit()
print('No')