import java.util.*;
public class Main{
	public static void main(String arg[]){
		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&&a<=12)
			System.out.println(b/2);
		else System.out.println("0");
	}
} import java.util.*; util.* java public class Main{
	public static void main(String arg[]){
		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&&a<=12)
			System.out.println(b/2);
		else System.out.println("0");
	}
} Main public static void main(String arg[]){
		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&&a<=12)
			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&&a<=12)
			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&&a<=12)
			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&&a<=12)
			System.out.println(b/2);
		else System.out.println("0"); a>=6&&a<=12 a>=6 a 6 a<=12 a 12 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 arg[] arg public class Main{
	public static void main(String arg[]){
		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&&a<=12)
			System.out.println(b/2);
		else System.out.println("0");
	}
} public class Main{
	public static void main(String arg[]){
		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&&a<=12)
			System.out.println(b/2);
		else System.out.println("0");
	}
} Main
import java.util.*;
public class Main{
	public static void main(String arg[]){
		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&&a<=12)
			System.out.println(b/2);
		else System.out.println("0");
	}
}