def solve1(n, a, b, x, y, h):
    for i in range(a):
        target = h.index(max(h))
        h[target] -= x
    for i in range(b):
        p = y
        for j in range(n):
            d = min(h[j], p)
            p -= d
            h[j] -= d
    if max(h) <= 0:
        return 'Yes'
    else:
        return 'No'


n, a, b, x, y = map(int,input().split())
h = list(map(int,input().split()))
print(solve1(n, a, b, x, y, h))