import java.util.Scanner;

public class Main {
	Scanner sc = new Scanner(System.in);
	
	public static void main(String[] args) {
		Main m = new Main();
		m.run();
	}
	
	void run() {
		int a = sc.nextInt();
		int b = sc.nextInt();
		
		if(a >=13) {
			System.out.println(b);
		}else if ( a >= 6) {
			System.out.println(b/2);
		}else {
			System.out.println(0);
		}
		
	}
} import java.util.Scanner; Scanner java.util public class Main {
	Scanner sc = new Scanner(System.in);
	
	public static void main(String[] args) {
		Main m = new Main();
		m.run();
	}
	
	void run() {
		int a = sc.nextInt();
		int b = sc.nextInt();
		
		if(a >=13) {
			System.out.println(b);
		}else if ( a >= 6) {
			System.out.println(b/2);
		}else {
			System.out.println(0);
		}
		
	}
} Main Scanner sc = new Scanner(System.in); sc new Scanner(System.in) public static void main(String[] args) {
		Main m = new Main();
		m.run();
	} main {
		Main m = new Main();
		m.run();
	} Main m = new Main(); m new Main() m.run() m.run m String[] args args void run() {
		int a = sc.nextInt();
		int b = sc.nextInt();
		
		if(a >=13) {
			System.out.println(b);
		}else if ( a >= 6) {
			System.out.println(b/2);
		}else {
			System.out.println(0);
		}
		
	} run {
		int a = sc.nextInt();
		int b = sc.nextInt();
		
		if(a >=13) {
			System.out.println(b);
		}else if ( a >= 6) {
			System.out.println(b/2);
		}else {
			System.out.println(0);
		}
		
	} int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc if(a >=13) {
			System.out.println(b);
		}else if ( a >= 6) {
			System.out.println(b/2);
		}else {
			System.out.println(0);
		} a >=13 a 13 {
			System.out.println(b);
		} System.out.println(b) System.out.println System.out System System.out b if ( a >= 6) {
			System.out.println(b/2);
		}else {
			System.out.println(0);
		} a >= 6 a 6 {
			System.out.println(b/2);
		} System.out.println(b/2) System.out.println System.out System System.out b/2 b 2 {
			System.out.println(0);
		} System.out.println(0) System.out.println System.out System System.out 0 public class Main {
	Scanner sc = new Scanner(System.in);
	
	public static void main(String[] args) {
		Main m = new Main();
		m.run();
	}
	
	void run() {
		int a = sc.nextInt();
		int b = sc.nextInt();
		
		if(a >=13) {
			System.out.println(b);
		}else if ( a >= 6) {
			System.out.println(b/2);
		}else {
			System.out.println(0);
		}
		
	}
} public class Main {
	Scanner sc = new Scanner(System.in);
	
	public static void main(String[] args) {
		Main m = new Main();
		m.run();
	}
	
	void run() {
		int a = sc.nextInt();
		int b = sc.nextInt();
		
		if(a >=13) {
			System.out.println(b);
		}else if ( a >= 6) {
			System.out.println(b/2);
		}else {
			System.out.println(0);
		}
		
	}
} Main
import java.util.Scanner;

public class Main {
	Scanner sc = new Scanner(System.in);
	
	public static void main(String[] args) {
		Main m = new Main();
		m.run();
	}
	
	void run() {
		int a = sc.nextInt();
		int b = sc.nextInt();
		
		if(a >=13) {
			System.out.println(b);
		}else if ( a >= 6) {
			System.out.println(b/2);
		}else {
			System.out.println(0);
		}
		
	}
}
