n,m,x,y = map(int,input().split())
*a, = map(int,input().split())
p = [i for i in a if i >= x]
q = [i for i in a if y < i < x]
if len(p) > m:
    print("Handicapped")
    exit()
q.sort(reverse=1)
print(sum(p+q[:m-len(p)]))