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