n,a,b,x,y = map(int,input().split())
l = sorted(map(int,input().split()))[::-1]
for i in range(a):
    for j ,k in enumerate(l):
        if k >= x:
            l[j] -= x
            break
    else:
        for j ,k in enumerate(l):
            l[j] -= x
            break
    l = [t for t in l if t > 0]
for i in range(b):
    p = y*1
    for  j ,k in enumerate(l):
        if k >= p:
            l[j] -= p
            break
        else:
            l[j] = 0
            p -= k
    l = [t for t in l if t > 0]
if l == []:
    print('Yes')
else:
    print('No')