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Time Limit: 1 s Memory Limit: 1024 MB Total points: 100

#3728. 2016

統計

この問題は以下のコンテストで使用されています：

The 2016 Hunan Collegiate Programming Contest

给出正整数 $n$ 和 $m$，统计满足以下条件的正整数对 $(a, b)$ 的数量：

$1 \leq a \leq n, 1 \leq b \leq m$;
$a \times b$ 是 $2016$ 的倍数。

输入

输入包含不超过 $30$ 组数据。

每组数据包含两个整数 $n, m$ ($1 \leq n, m \leq 10^9$).

输出

对于每组数据，输出一个整数表示满足条件的数量。

样例输入

32 63
2016 2016
1000000000 1000000000

样例输出

1
30576
7523146895502644

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