# 2909. Joke

The problem is to cut the largest possible number of circles with diameter $y$ out of a stripe of length $x$ and width $y$.

### 输入格式

The only line of input consists of two positive real numbers x and y with 9-digit precision separated by spaces. The integers may be written without decimal point.

### 输出格式

Output a single integer: the maximum number of circles one can cut out of the stripe.

### 样例

Input
6.3 0.9
0.63 0.09
1 1

Output
7
7
1


25 人解决，54 人已尝试。

31 份提交通过，共有 383 份提交。

6.3 EMB 奖励。