n,k=map(int,input().split())
k*=2
xs=sorted(list(map(int,input().split())))
pl=0
ans=0
for pr in range(n-1,-1,-1):
	while pl<n:
		if xs[pl]*xs[pr]>=k:
			ans+=n-pl
			break
		else:
			pl+=1
	if n<=pl:break
print(ans)