n, m, x, y = map(int, input().split())
A = list(map(int, input().split()))
P = []
Q = []
R = []
for a in A:
    if a <= y:
        P.append(a)
    elif a >= x:
        R.append(a)
    else:
        Q.append(a)
if len(R) > m:
    print('Handicapped')
    exit()
Q.sort(reverse=True)
ans = sum(R)+sum(Q[0:m-len(R)])
print(ans)