Problem Statement

We have a truck, which can carry at most N kilograms.
We will load bricks onto this truck, each of which weighs W kilograms. At most how many bricks can be loaded?

Input

Input is given from Standard Input in the following format:
N W

Output

Print an integer representing the maximum number of bricks that can be loaded onto the truck.

Constraints

• $1\leq N,W \leq 1000$
• N and W are integers.

Sample Input 1

10 3

Sample Output 1

3

Each brick weighs 3 kilograms, so 3 bricks weigh 9 kilograms, and 4 weigh 12 kilograms.
Thus, we can load at most 3 bricks onto the truck that can carry at most 10 kilograms.

Sample Input 2

1000 1

Sample Output 2

1000

见题面 Input 部分

见题面 Output 部分