import bisect

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

A.sort()

Remain = bisect.bisect_left(A, X)

if N - Remain > M:
    print('Handicapped')
else:
    Remove = bisect.bisect_right(A, Y)
    B = A[Remove:]
    print(sum(B[-M:]))