import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		int cost =0;
		if(A>=13) cost = B;
		else if(A<=12 && A>=6) cost = B/2;
		else if(A<=5) cost =0;

		System.out.print(cost);


	}

} import java.util.Scanner; Scanner 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();
		int cost =0;
		if(A>=13) cost = B;
		else if(A<=12 && A>=6) cost = B/2;
		else if(A<=5) cost =0;

		System.out.print(cost);


	}

} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		int cost =0;
		if(A>=13) cost = B;
		else if(A<=12 && A>=6) cost = B/2;
		else if(A<=5) cost =0;

		System.out.print(cost);


	} main {
		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		int cost =0;
		if(A>=13) cost = B;
		else if(A<=12 && A>=6) cost = B/2;
		else if(A<=5) cost =0;

		System.out.print(cost);


	} 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 int cost =0; cost 0 if(A>=13) cost = B;
		else if(A<=12 && A>=6) cost = B/2;
		else if(A<=5) cost =0; A>=13 A 13 cost = B cost B if(A<=12 && A>=6) cost = B/2;
		else if(A<=5) cost =0; A<=12 && A>=6 A<=12 A 12 A>=6 A 6 cost = B/2 cost B/2 B 2 if(A<=5) cost =0; A<=5 A 5 cost =0 cost 0 System.out.print(cost) System.out.print System.out System System.out cost 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();
		int cost =0;
		if(A>=13) cost = B;
		else if(A<=12 && A>=6) cost = B/2;
		else if(A<=5) cost =0;

		System.out.print(cost);


	}

} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		int cost =0;
		if(A>=13) cost = B;
		else if(A<=12 && A>=6) cost = B/2;
		else if(A<=5) cost =0;

		System.out.print(cost);


	}

} Main
import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		int cost =0;
		if(A>=13) cost = B;
		else if(A<=12 && A>=6) cost = B/2;
		else if(A<=5) cost =0;

		System.out.print(cost);


	}

}
