import java.util.*;

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

        
    }
} import java.util.*; util.* java class Main
{
    public static  void main(String[] args)
    {
        Scanner sc = new Scanner(System.in);
        
        int a = sc.nextInt();
        int b = sc.nextInt();
        
        if (a <= 5) {
            System.out.println(0);
            return;
        } else if (a >= 13) {
            System.out.println(b);
        } else {
            System.out.println(b / 2);
        }

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

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

        
    } 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 <= 5) {
            System.out.println(0);
            return;
        } else if (a >= 13) {
            System.out.println(b);
        } else {
            System.out.println(b / 2);
        } a <= 5 a 5 {
            System.out.println(0);
            return;
        } System.out.println(0) System.out.println System.out System System.out 0 return; if (a >= 13) {
            System.out.println(b);
        } else {
            System.out.println(b / 2);
        } a >= 13 a 13 {
            System.out.println(b);
        } System.out.println(b) System.out.println System.out System System.out b {
            System.out.println(b / 2);
        } System.out.println(b / 2) System.out.println System.out System System.out b / 2 b 2 String[] args args
import java.util.*;

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

        
    }
}