import sys
#sys.setrecursionlimit(10 ** 6)
INF = float('inf')
#10**20,2**63に変えるのもあり
MOD = 10**9 + 7
MOD2 = 998244353
from collections import defaultdict
def solve():
    def II(): return int(sys.stdin.readline())
    def LI(): return list(map(int, sys.stdin.readline().split()))
    def LC(): return list(input())
    def IC(): return [int(c) for c in input()]
    def MI(): return map(int, sys.stdin.readline().split())
    N,A,B,X,Y = MI()
    H =LI()
    for a in range(A):
        MAX=0
        idx = -1
        for n in range(N):
            if H[n]<=0:
                continue
            if MAX < H[n]:
                MAX = H[n]
                idx = n
        H[idx]-=X
        #print(H)
    for b in range(B):
        P = Y
        for i in range(N):
            if H[i]<=0:
                continue
            D = min(P,H[i])
            H[i]-=D
            P-=D
        #print(H)
    flag = True
    for n in range(N):
        if H[n]>0:
            flag = False
    if flag:
        print("Yes")
    else:
        print("No")
    return
solve()