def main():
    n, m, x, y = map(int, input().split())
    arr = list(map(int, input().split()))

    lst1 = [a for a in arr if a >= x]  # 絶対残す
    if len(lst1) > m:
        exit(print("Handicapped"))
    if len(lst1) == m:
        exit(print(sum(lst1)))

    lst2 = sorted([a for a in arr if y < a < x], reverse=True)  # 残す or 消す
    ans = sum((lst1 + lst2)[:m])
    print(ans)


if __name__ == "__main__":
    main()