import java.util.Scanner;

public class Main
{

	public static void main(String[] args)
	{
		Scanner sc = new Scanner(System.in);

		int a = Integer.parseInt(sc.next());
		int b = Integer.parseInt(sc.next());

		System.out.println((a >= 13) ? b : (a <= 5) ? 0 : b/2);

		sc.close();
	}
} import java.util.Scanner; Scanner java.util public class Main
{

	public static void main(String[] args)
	{
		Scanner sc = new Scanner(System.in);

		int a = Integer.parseInt(sc.next());
		int b = Integer.parseInt(sc.next());

		System.out.println((a >= 13) ? b : (a <= 5) ? 0 : b/2);

		sc.close();
	}
} Main public static void main(String[] args)
	{
		Scanner sc = new Scanner(System.in);

		int a = Integer.parseInt(sc.next());
		int b = Integer.parseInt(sc.next());

		System.out.println((a >= 13) ? b : (a <= 5) ? 0 : b/2);

		sc.close();
	} main {
		Scanner sc = new Scanner(System.in);

		int a = Integer.parseInt(sc.next());
		int b = Integer.parseInt(sc.next());

		System.out.println((a >= 13) ? b : (a <= 5) ? 0 : b/2);

		sc.close();
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = Integer.parseInt(sc.next()); a Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int b = Integer.parseInt(sc.next()); b Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc System.out.println((a >= 13) ? b : (a <= 5) ? 0 : b/2) System.out.println System.out System System.out (a >= 13) ? b : (a <= 5) ? 0 : b/2 (a >= 13) a 13 b (a <= 5) ? 0 : b/2 (a <= 5) a 5 0 b/2 b 2 sc.close() sc.close sc String[] args args public class Main
{

	public static void main(String[] args)
	{
		Scanner sc = new Scanner(System.in);

		int a = Integer.parseInt(sc.next());
		int b = Integer.parseInt(sc.next());

		System.out.println((a >= 13) ? b : (a <= 5) ? 0 : b/2);

		sc.close();
	}
} public class Main
{

	public static void main(String[] args)
	{
		Scanner sc = new Scanner(System.in);

		int a = Integer.parseInt(sc.next());
		int b = Integer.parseInt(sc.next());

		System.out.println((a >= 13) ? b : (a <= 5) ? 0 : b/2);

		sc.close();
	}
} Main
import java.util.Scanner;

public class Main
{

	public static void main(String[] args)
	{
		Scanner sc = new Scanner(System.in);

		int a = Integer.parseInt(sc.next());
		int b = Integer.parseInt(sc.next());

		System.out.println((a >= 13) ? b : (a <= 5) ? 0 : b/2);

		sc.close();
	}
}