403529: GYM101191 B Birches

National Forest state Q recently got a beautiful birch alley, which consists of N trees. Each tree has a height of H_i.

International Classification of national parks is a list of the most beautiful nature reserves in the world. Used to rank parks such a thing as «distinctiveness» which is understood as the number of such pairs (i, j), for which the observed ratio of H_i mod H_j = K, where K — it special number, which is selected by the Expert Council of the international organization of national parks.

What «distinctiveness» has national park state Q?

The first line has two positive integers N and K — the number of trees in the national park and a special number of advisory council, respectively ( 1 ≤ N ≤ 10⁵, 0 ≤ K ≤ 10⁶ ).

The second line has N numbers H_i — the height of each of the trees in the park (1 ≤ H_i ≤ 10⁵ ).

In the single line print Q national park «distinctiveness».

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