import sequtils, strutils

let
  nk, xs = stdin.readLine.split.map parseInt
  n = nk[0]
  k = nk[1]
var
  cnt = 1
  l = xs[0]

if n == 1:
  echo 1
  quit()

for i in 1 ..< n:
  let
    r = xs[i]
  if r - l >= k:
    inc cnt
    l = r

echo cnt