n, a, b,x,y = map(int, input().split())

hs =list(map(int, input().split()))

for i in range(a):
    maxi1=max(hs)
    maxin=hs.index(maxi1)
    hs[maxin]-=x




for b in range(b):
    p=y
    for i in range(len(hs)):
        if(hs[i]<=0):continue
        D=min(p,hs[i])
        hs[i]-=D
        p-=D

ll=len(list((filter(lambda x: x>0, hs))))
if ll==0:
    print("Yes")
else:
    print("No")