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 Java8 (OpenJDK 1.8.0) (judge verdict: Wrong Answer)

import java.io.*;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		try {
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		String line = new String(in.readLine());
		String[] input = line.split(" ", 0);
		int age = Integer.parseInt(input[0].trim());
		int price = Integer.parseInt(input[1].trim());
		//System.out.println("入力値は、" + age + "と" + price);
		
			if(age <= 5) {
				System.out.print("100");
			}else if(age <= 12) {
				System.out.print(price / 2);
			}else {
				System.out.print(price);
			}
		} catch (IOException e) {
			System.out.print(e);
		}
	}

}