import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc =new Scanner(System.in);
		int a=sc.nextInt();
		int b=sc.nextInt();
		if(a>=13){
			System.out.println(b);
		}
		else if(a>=6 && 12>=a)
		{ System.out.println(b/2);
		}
		else if(5>=a)
		{
			System.out.println(0);
		}
		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=sc.nextInt();
		int b=sc.nextInt();
		if(a>=13){
			System.out.println(b);
		}
		else if(a>=6 && 12>=a)
		{ System.out.println(b/2);
		}
		else if(5>=a)
		{
			System.out.println(0);
		}
		sc.close();


	}

} Main public static void main(String[] args) {
		Scanner sc =new Scanner(System.in);
		int a=sc.nextInt();
		int b=sc.nextInt();
		if(a>=13){
			System.out.println(b);
		}
		else if(a>=6 && 12>=a)
		{ System.out.println(b/2);
		}
		else if(5>=a)
		{
			System.out.println(0);
		}
		sc.close();


	} main {
		Scanner sc =new Scanner(System.in);
		int a=sc.nextInt();
		int b=sc.nextInt();
		if(a>=13){
			System.out.println(b);
		}
		else if(a>=6 && 12>=a)
		{ System.out.println(b/2);
		}
		else if(5>=a)
		{
			System.out.println(0);
		}
		sc.close();


	} Scanner sc =new Scanner(System.in); sc new Scanner(System.in) int a=sc.nextInt(); a sc.nextInt() sc.nextInt sc int b=sc.nextInt(); b sc.nextInt() sc.nextInt sc if(a>=13){
			System.out.println(b);
		}
		else if(a>=6 && 12>=a)
		{ System.out.println(b/2);
		}
		else if(5>=a)
		{
			System.out.println(0);
		} a>=13 a 13 {
			System.out.println(b);
		} System.out.println(b) System.out.println System.out System System.out b if(a>=6 && 12>=a)
		{ System.out.println(b/2);
		}
		else if(5>=a)
		{
			System.out.println(0);
		} a>=6 && 12>=a a>=6 a 6 12>=a 12 a { System.out.println(b/2);
		} System.out.println(b/2) System.out.println System.out System System.out b/2 b 2 if(5>=a)
		{
			System.out.println(0);
		} 5>=a 5 a {
			System.out.println(0);
		} System.out.println(0) System.out.println System.out System System.out 0 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=sc.nextInt();
		int b=sc.nextInt();
		if(a>=13){
			System.out.println(b);
		}
		else if(a>=6 && 12>=a)
		{ System.out.println(b/2);
		}
		else if(5>=a)
		{
			System.out.println(0);
		}
		sc.close();


	}

} public class Main {

	public static void main(String[] args) {
		Scanner sc =new Scanner(System.in);
		int a=sc.nextInt();
		int b=sc.nextInt();
		if(a>=13){
			System.out.println(b);
		}
		else if(a>=6 && 12>=a)
		{ System.out.println(b/2);
		}
		else if(5>=a)
		{
			System.out.println(0);
		}
		sc.close();


	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc =new Scanner(System.in);
		int a=sc.nextInt();
		int b=sc.nextInt();
		if(a>=13){
			System.out.println(b);
		}
		else if(a>=6 && 12>=a)
		{ System.out.println(b/2);
		}
		else if(5>=a)
		{
			System.out.println(0);
		}
		sc.close();


	}

}