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 System.out.println((A >= 6)? B/2 : 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 System.out.println((A >= 6)? B/2 : 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 System.out.println((A >= 6)? B/2 : 0);
	} main {

		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		if(A >= 13)System.out.println(B);
		else System.out.println((A >= 6)? B/2 : 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 System.out.println((A >= 6)? B/2 : 0); A >= 13 A 13 System.out.println(B) System.out.println System.out System System.out B System.out.println((A >= 6)? B/2 : 0) System.out.println System.out System System.out (A >= 6)? B/2 : 0 (A >= 6) A 6 B/2 B 2 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 System.out.println((A >= 6)? B/2 : 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 System.out.println((A >= 6)? B/2 : 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 System.out.println((A >= 6)? B/2 : 0);
	}
}