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 : 12 >= a && a >= 6 ? b/2: 0);
	}
} 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 : 12 >= a && 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();
		System.out.println(a >= 13 ? b : 12 >= a && a >= 6 ? b/2: 0);
	} main {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		System.out.println(a >= 13 ? b : 12 >= a && 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 System.out.println(a >= 13 ? b : 12 >= a && a >= 6 ? b/2: 0) System.out.println System.out System System.out a >= 13 ? b : 12 >= a && a >= 6 ? b/2: 0 a >= 13 a 13 b 12 >= a && a >= 6 ? b/2: 0 12 >= a && a >= 6 12 >= a 12 a 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();
		System.out.println(a >= 13 ? b : 12 >= a && 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();
		System.out.println(a >= 13 ? b : 12 >= a && a >= 6 ? b/2: 0);
	}
} 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 : 12 >= a && a >= 6 ? b/2: 0);
	}
}