Problem:
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.

Solution in C# (Mono 4.6.2.0) (judge verdict: Wrong Answer)

using System; using System.Collections.Generic; using System.Linq;  public class Prog {     public void run()     {         var input = Console.ReadLine().Split();         int A = int.Parse(input[0]);         int B = int.Parse(input[1]);         int money = 0;         if(A <= 5)         {             money = 0;         }else if(A <= 12)         {             money = B / 2;         }         else         {             money = B;         }     }     public static void Main()     {         var prog = new Prog();         prog.run();     } }