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