import bisect def main(): import sys input = sys.stdin.read().split() idx = 0 N = int(input[idx]) idx += 1 D = int(input[idx]) idx += 1 A = [] for _ in range(N): A.append(int(input[idx])) idx += 1 B = sorted(A) for a in A: x = a - D count = bisect.bisect_right(B, x) print(count) if __name__ == '__main__': main()