N,M,X,Y=map(int,input().split())
A=sorted(list(map(int,input().split())))
ans=sum(A)
need = N-M
for i in range(N):
    if A[i] <= Y:
        ans -= A[i]
        need-=1
    elif A[i]>=X:
        if need<=0:
            print(ans);exit()
        print("Handicapped");exit()
    else:
        if need<=0:
            print(ans);exit()
        ans -= A[i]
        need-=1
        if need<=0:
            print(ans);exit()
print(0)