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) System.out.println(b);
      	else if(a >= 6) System.out.println(b/2);
      	else System.out.println("0");
    }
} 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) System.out.println(b);
      	else if(a >= 6) System.out.println(b/2);
      	else System.out.println("0");
    }
} 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) System.out.println(b/2);
      	else System.out.println("0");
    } 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) System.out.println(b/2);
      	else System.out.println("0");
    } 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) System.out.println(b/2);
      	else System.out.println("0"); a >= 13 a 13 System.out.println(b) System.out.println System.out System System.out b if(a >= 6) System.out.println(b/2);
      	else System.out.println("0"); a >= 6 a 6 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 a = sc.nextInt();
      	int b = sc.nextInt();
      	if(a >= 13) System.out.println(b);
      	else if(a >= 6) 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 a = sc.nextInt();
      	int b = sc.nextInt();
      	if(a >= 13) System.out.println(b);
      	else if(a >= 6) System.out.println(b/2);
      	else System.out.println("0");
    }
} 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) System.out.println(b);
      	else if(a >= 6) System.out.println(b/2);
      	else System.out.println("0");
    }
}