mod = 1000000007
eps = 10**-9


def main():
    import sys
    input = sys.stdin.readline

    N, A, B, X, Y = map(int, input().split())
    H = list(map(int, input().split()))

    ok = sum(H)
    ng = -1
    mid = (ok + ng) // 2
    while ok - ng > 1:
        HH = [max(0, h - mid) for h in H]
        AA = A
        cnt = 0
        for h in HH:
            cnt += h // X
        if cnt >= AA:
            S = sum(HH) - AA * X
        else:
            HHH = [h % X for h in HH]
            AA -= cnt
            if AA >= N:
                S = 0
            else:
                HHH.sort(reverse=True)
                for i in range(AA):
                    HHH[i] = 0
                S = sum(HHH)
        if S <= B * Y:
            ok = mid
        else:
            ng = mid
        mid = (ok + ng) // 2

    if ok:
        print("No")
    else:
        print("Yes")


if __name__ == '__main__':
    main()