from collections import defaultdict
import sys
readline=sys.stdin.readline
write=sys.stdout.write
import bisect

N,K=map(int,readline().split())
A=list(map(int,readline().split()))
ans=0
A.sort()
for a in A:
    ans+=N-bisect.bisect_left(A,(2*K+a-1)//a)
print(ans)