import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		int A = 0;
		int B = 0;
		Scanner sc = new Scanner(System.in);
		A = Integer.parseInt(sc.next());
		B = Integer.parseInt(sc.next());
		if(A>=13){
			System.out.println(B);
		}
		else if(6<=A&&A<=12){
			System.out.println(B/2);
		}
		else
			System.out.println("0");
	}

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

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		int A = 0;
		int B = 0;
		Scanner sc = new Scanner(System.in);
		A = Integer.parseInt(sc.next());
		B = Integer.parseInt(sc.next());
		if(A>=13){
			System.out.println(B);
		}
		else if(6<=A&&A<=12){
			System.out.println(B/2);
		}
		else
			System.out.println("0");
	}

} Main public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		int A = 0;
		int B = 0;
		Scanner sc = new Scanner(System.in);
		A = Integer.parseInt(sc.next());
		B = Integer.parseInt(sc.next());
		if(A>=13){
			System.out.println(B);
		}
		else if(6<=A&&A<=12){
			System.out.println(B/2);
		}
		else
			System.out.println("0");
	} main {
		// TODO 自動生成されたメソッド・スタブ
		int A = 0;
		int B = 0;
		Scanner sc = new Scanner(System.in);
		A = Integer.parseInt(sc.next());
		B = Integer.parseInt(sc.next());
		if(A>=13){
			System.out.println(B);
		}
		else if(6<=A&&A<=12){
			System.out.println(B/2);
		}
		else
			System.out.println("0");
	} int A = 0; A 0 int B = 0; B 0 Scanner sc = new Scanner(System.in); sc new Scanner(System.in) A = Integer.parseInt(sc.next()) A Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc B = Integer.parseInt(sc.next()) B Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc if(A>=13){
			System.out.println(B);
		}
		else if(6<=A&&A<=12){
			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(6<=A&&A<=12){
			System.out.println(B/2);
		}
		else
			System.out.println("0"); 6<=A&&A<=12 6<=A 6 A A<=12 A 12 {
			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 System.out System System.out "0" String[] args args public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		int A = 0;
		int B = 0;
		Scanner sc = new Scanner(System.in);
		A = Integer.parseInt(sc.next());
		B = Integer.parseInt(sc.next());
		if(A>=13){
			System.out.println(B);
		}
		else if(6<=A&&A<=12){
			System.out.println(B/2);
		}
		else
			System.out.println("0");
	}

} public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		int A = 0;
		int B = 0;
		Scanner sc = new Scanner(System.in);
		A = Integer.parseInt(sc.next());
		B = Integer.parseInt(sc.next());
		if(A>=13){
			System.out.println(B);
		}
		else if(6<=A&&A<=12){
			System.out.println(B/2);
		}
		else
			System.out.println("0");
	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		int A = 0;
		int B = 0;
		Scanner sc = new Scanner(System.in);
		A = Integer.parseInt(sc.next());
		B = Integer.parseInt(sc.next());
		if(A>=13){
			System.out.println(B);
		}
		else if(6<=A&&A<=12){
			System.out.println(B/2);
		}
		else
			System.out.println("0");
	}

}