101270: [AtCoder]ABC127 A - Ferris Wheel

Memory Limit:256 MB Time Limit:2 S
Judge Style:Text Compare Creator:
Submit:0 Solved:0

Description

Score : $100$ points

Problem Statement

Takahashi, who is $A$ years old, is riding a Ferris wheel.

It costs $B$ yen ($B$ is an even number) to ride the Ferris wheel if you are $13$ years old or older, but children between $6$ and $12$ years old (inclusive) can ride it for half the cost, and children who are $5$ years old or younger are free of charge. (Yen is the currency of Japan.)

Find the cost of the Ferris wheel for Takahashi.

Constraints

  • $0 ≤ A ≤ 100$
  • $2 ≤ B ≤ 1000$
  • $B$ is an even number.

Input

Input is given from Standard Input in the following format:

$A$ $B$

Output

Print the cost of the Ferris wheel for Takahashi.


Sample Input 1

30 100

Sample Output 1

100

Takahashi is $30$ years old now, and the cost of the Ferris wheel is $100$ yen.


Sample Input 2

12 100

Sample Output 2

50

Takahashi is $12$ years old, and the cost of the Ferris wheel is the half of $100$ yen, that is, $50$ yen.


Sample Input 3

0 100

Sample Output 3

0

Takahashi is $0$ years old, and he can ride the Ferris wheel for free.

Input

题意翻译

给你 $A$ 和 $B$,若 $A$ 不小于 $13$ 输出 $B$,若 $A$ 不大于 $12$ 且不小于 $6$ 输出 $B\div2$,若 $A$ 不大于 $5$ 输出 $0$。$B$ 是偶数。

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