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 ans;

		if (a < 6)
			ans = 0;
		else if (a >= 6 && a <= 12)
			ans = b / 2;
		else
			ans = b;
		System.out.println(ans);
	}
} 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 ans;

		if (a < 6)
			ans = 0;
		else if (a >= 6 && a <= 12)
			ans = b / 2;
		else
			ans = b;
		System.out.println(ans);
	}
} Main public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int ans;

		if (a < 6)
			ans = 0;
		else if (a >= 6 && a <= 12)
			ans = b / 2;
		else
			ans = b;
		System.out.println(ans);
	} main {

		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int ans;

		if (a < 6)
			ans = 0;
		else if (a >= 6 && a <= 12)
			ans = b / 2;
		else
			ans = b;
		System.out.println(ans);
	} 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 ans; ans if (a < 6)
			ans = 0;
		else if (a >= 6 && a <= 12)
			ans = b / 2;
		else
			ans = b; a < 6 a 6 ans = 0 ans 0 if (a >= 6 && a <= 12)
			ans = b / 2;
		else
			ans = b; a >= 6 && a <= 12 a >= 6 a 6 a <= 12 a 12 ans = b / 2 ans b / 2 b 2 ans = b ans b System.out.println(ans) System.out.println System.out System System.out ans 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 ans;

		if (a < 6)
			ans = 0;
		else if (a >= 6 && a <= 12)
			ans = b / 2;
		else
			ans = b;
		System.out.println(ans);
	}
} public class Main{

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int ans;

		if (a < 6)
			ans = 0;
		else if (a >= 6 && a <= 12)
			ans = b / 2;
		else
			ans = b;
		System.out.println(ans);
	}
} 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 ans;

		if (a < 6)
			ans = 0;
		else if (a >= 6 && a <= 12)
			ans = b / 2;
		else
			ans = b;
		System.out.println(ans);
	}
}
