N,K = map(int,input().split())
A = list(map(int,input().split()))
A.sort()

cnt = 0;
for i in range(N):
    ok = N
    ng = -1
    while abs(ok-ng) > 1:
        mid = (ok+ng)//2
        if A[i]*A[mid] >= K*2:
            ok = mid
        else:
            ng = mid
    cnt += N-ok
print(cnt)