n,m,x,y = map(int,input().split())
A = sorted(list(map(int,input().split())))
if A[n-1-m] >= x:
    print("Handicapped")
elif A[n-1-m] > y:
    print(sum(A[n-m:]))
else:
    for i in range(n):
        if A[i] > y:
            print(sum(A[i:]))
            exit()
    print(0)