import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		if(a<=5) System.out.println("0");
		else if(a>=6 && a<=12) System.out.println(b/2);
		else System.out.println(b);
	}

} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		if(a<=5) System.out.println("0");
		else if(a>=6 && a<=12) System.out.println(b/2);
		else System.out.println(b);
	}

} Main public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		if(a<=5) System.out.println("0");
		else if(a>=6 && a<=12) System.out.println(b/2);
		else System.out.println(b);
	} main {
		Scanner scan = new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		if(a<=5) System.out.println("0");
		else if(a>=6 && a<=12) System.out.println(b/2);
		else System.out.println(b);
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int a=scan.nextInt(); a scan.nextInt() scan.nextInt scan int b=scan.nextInt(); b scan.nextInt() scan.nextInt scan if(a<=5) System.out.println("0");
		else if(a>=6 && a<=12) System.out.println(b/2);
		else System.out.println(b); a<=5 a 5 System.out.println("0") System.out.println System.out System System.out "0" if(a>=6 && a<=12) System.out.println(b/2);
		else System.out.println(b); 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(b) System.out.println System.out System System.out b String[] args args public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		if(a<=5) System.out.println("0");
		else if(a>=6 && a<=12) System.out.println(b/2);
		else System.out.println(b);
	}

} public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		if(a<=5) System.out.println("0");
		else if(a>=6 && a<=12) System.out.println(b/2);
		else System.out.println(b);
	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		if(a<=5) System.out.println("0");
		else if(a>=6 && a<=12) System.out.println(b/2);
		else System.out.println(b);
	}

}
