import java.util.Scanner;
public class Main {
	public static void main(String[] args)throws Exception{
		Scanner stdIn=new Scanner(System.in);
		int A=stdIn.nextInt();
		int B=stdIn.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.Scanner; Scanner java.util public class Main {
	public static void main(String[] args)throws Exception{
		Scanner stdIn=new Scanner(System.in);
		int A=stdIn.nextInt();
		int B=stdIn.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)throws Exception{
		Scanner stdIn=new Scanner(System.in);
		int A=stdIn.nextInt();
		int B=stdIn.nextInt();
		if(A>=13)
			System.out.println(B);
		else
			if(A>=6)
				System.out.println(B/2);
			else
				System.out.println(0);
	} main {
		Scanner stdIn=new Scanner(System.in);
		int A=stdIn.nextInt();
		int B=stdIn.nextInt();
		if(A>=13)
			System.out.println(B);
		else
			if(A>=6)
				System.out.println(B/2);
			else
				System.out.println(0);
	} Scanner stdIn=new Scanner(System.in); stdIn new Scanner(System.in) int A=stdIn.nextInt(); A stdIn.nextInt() stdIn.nextInt stdIn int B=stdIn.nextInt(); B stdIn.nextInt() stdIn.nextInt stdIn 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)throws Exception{
		Scanner stdIn=new Scanner(System.in);
		int A=stdIn.nextInt();
		int B=stdIn.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)throws Exception{
		Scanner stdIn=new Scanner(System.in);
		int A=stdIn.nextInt();
		int B=stdIn.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.Scanner;
public class Main {
	public static void main(String[] args)throws Exception{
		Scanner stdIn=new Scanner(System.in);
		int A=stdIn.nextInt();
		int B=stdIn.nextInt();
		if(A>=13)
			System.out.println(B);
		else
			if(A>=6)
				System.out.println(B/2);
			else
				System.out.println(0);
	}
}
