10689: ABC127 —— A - Ferris Wheel
[Creator : ]
Description
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.
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.
Input
Input is given from Standard Input in the following format:
```
$A$ $B$
```
```
$A$ $B$
```
Output
Print the cost of the Ferris wheel for Takahashi.
Constraints
- $0 ≤ A ≤ 100$
- $2 ≤ B ≤ 1000$
- $B$ is an even number.
- $2 ≤ B ≤ 1000$
- $B$ is an even number.
Sample 1 Input
30 100
Sample 1 Output
100
Takahashi is 30 years old now, and the cost of the Ferris wheel is 100 yen.
Sample 2 Input
12 100
Sample 2 Output
50
Takahashi is 12 years old, and the cost of the Ferris wheel is the half of 100 yen, that is, 50 yen.
Sample 3 Input
0 100
Sample 3 Output
0
Takahashi is 0 years old, and he can ride the Ferris wheel for free.