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