import java.io.*;
import java.util.*;

public class Main{
    
    public static void main(String[] arg){
        Scanner scan =new Scanner(System.in);
        int a=scan.nextInt();
        int b=scan.nextInt();

        if(a>=13){
            System.out.println(b);
        }
        else if(a >=6 && a<=12) {
            System.out.println(b/2);
        }
        else System.out.println(0);

    }
} import java.io.*; io.* java import java.util.*; util.* java public class Main{
    
    public static void main(String[] arg){
        Scanner scan =new Scanner(System.in);
        int a=scan.nextInt();
        int b=scan.nextInt();

        if(a>=13){
            System.out.println(b);
        }
        else if(a >=6 && a<=12) {
            System.out.println(b/2);
        }
        else System.out.println(0);

    }
} Main public static void main(String[] arg){
        Scanner scan =new Scanner(System.in);
        int a=scan.nextInt();
        int b=scan.nextInt();

        if(a>=13){
            System.out.println(b);
        }
        else if(a >=6 && a<=12) {
            System.out.println(b/2);
        }
        else System.out.println(0);

    } main {
        Scanner scan =new Scanner(System.in);
        int a=scan.nextInt();
        int b=scan.nextInt();

        if(a>=13){
            System.out.println(b);
        }
        else if(a >=6 && a<=12) {
            System.out.println(b/2);
        }
        else System.out.println(0);

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

        if(a>=13){
            System.out.println(b);
        }
        else if(a >=6 && a<=12) {
            System.out.println(b/2);
        }
        else System.out.println(0);

    }
} public class Main{
    
    public static void main(String[] arg){
        Scanner scan =new Scanner(System.in);
        int a=scan.nextInt();
        int b=scan.nextInt();

        if(a>=13){
            System.out.println(b);
        }
        else if(a >=6 && a<=12) {
            System.out.println(b/2);
        }
        else System.out.println(0);

    }
} Main
import java.io.*;
import java.util.*;

public class Main{
    
    public static void main(String[] arg){
        Scanner scan =new Scanner(System.in);
        int a=scan.nextInt();
        int b=scan.nextInt();

        if(a>=13){
            System.out.println(b);
        }
        else if(a >=6 && a<=12) {
            System.out.println(b/2);
        }
        else System.out.println(0);

    }
}