import java.util.*;
class Main
{
	public static void main(String args[])
	{
		Scanner sc=new Scanner(System.in);
		int a=sc.nextInt();
		int b=sc.nextInt();
		
		if(a>12){
			System.out.println(b);
		}
		else if(5<a && a<13){
			System.out.println(b/2);
		}
		else{
			System.out.println('0');
		}
	}
} import java.util.*; util.* java class Main
{
	public static void main(String args[])
	{
		Scanner sc=new Scanner(System.in);
		int a=sc.nextInt();
		int b=sc.nextInt();
		
		if(a>12){
			System.out.println(b);
		}
		else if(5<a && a<13){
			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>12){
			System.out.println(b);
		}
		else if(5<a && a<13){
			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>12){
			System.out.println(b);
		}
		else if(5<a && a<13){
			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>12){
			System.out.println(b);
		}
		else if(5<a && a<13){
			System.out.println(b/2);
		}
		else{
			System.out.println('0');
		} a>12 a 12 {
			System.out.println(b);
		} System.out.println(b) System.out.println System.out System System.out b if(5<a && a<13){
			System.out.println(b/2);
		}
		else{
			System.out.println('0');
		} 5<a && a<13 5<a 5 a a<13 a 13 {
			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('0') System.out.println System.out System System.out '0' String args[] args
import java.util.*;
class Main
{
	public static void main(String args[])
	{
		Scanner sc=new Scanner(System.in);
		int a=sc.nextInt();
		int b=sc.nextInt();
		
		if(a>12){
			System.out.println(b);
		}
		else if(5<a && a<13){
			System.out.println(b/2);
		}
		else{
			System.out.println('0');
		}
	}
}