import sys
from bisect import bisect_left
input = lambda: sys.stdin.readline().rstrip()

#  -----------------------  #

n, k = map(int, input().split())
A = list(map(int, input().split()))
A.sort()
ans = 0
for i in range(n):
  "bisect_left(A, x) -> x未満の数の個数"
  ans += n - bisect_left(A, 2*k/A[i])
print(ans)