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();

		System.out.println(a >= 13 ? b : a <= 5 ? 0 : b / 2);
	}
} 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();

		System.out.println(a >= 13 ? b : a <= 5 ? 0 : b / 2);
	}
} Main public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		int a = sc.nextInt();
		int b = sc.nextInt();

		System.out.println(a >= 13 ? b : a <= 5 ? 0 : b / 2);
	} main {

		Scanner sc = new Scanner(System.in);

		int a = sc.nextInt();
		int b = sc.nextInt();

		System.out.println(a >= 13 ? b : a <= 5 ? 0 : b / 2);
	} 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 System.out.println(a >= 13 ? b : a <= 5 ? 0 : b / 2) System.out.println System.out System System.out a >= 13 ? b : a <= 5 ? 0 : b / 2 a >= 13 a 13 b a <= 5 ? 0 : b / 2 a <= 5 a 5 0 b / 2 b 2 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();

		System.out.println(a >= 13 ? b : a <= 5 ? 0 : b / 2);
	}
} public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		int a = sc.nextInt();
		int b = sc.nextInt();

		System.out.println(a >= 13 ? b : a <= 5 ? 0 : b / 2);
	}
} 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();

		System.out.println(a >= 13 ? b : a <= 5 ? 0 : b / 2);
	}
}