import java.util.Scanner;
public class Main{

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		int A = Integer.parseInt(sc.next());
		int B = Integer.parseInt(sc.next());
		int ans = B;
		if(A<6) {
			ans = 0;
		}else if(A<13){
			ans = B/2;
		}
		System.out.println(ans);
		sc.close();
		
	}
} import java.util.Scanner; Scanner java.util public class Main{

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		int A = Integer.parseInt(sc.next());
		int B = Integer.parseInt(sc.next());
		int ans = B;
		if(A<6) {
			ans = 0;
		}else if(A<13){
			ans = B/2;
		}
		System.out.println(ans);
		sc.close();
		
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		int A = Integer.parseInt(sc.next());
		int B = Integer.parseInt(sc.next());
		int ans = B;
		if(A<6) {
			ans = 0;
		}else if(A<13){
			ans = B/2;
		}
		System.out.println(ans);
		sc.close();
		
	} main {
		Scanner sc = new Scanner(System.in);
		
		int A = Integer.parseInt(sc.next());
		int B = Integer.parseInt(sc.next());
		int ans = B;
		if(A<6) {
			ans = 0;
		}else if(A<13){
			ans = B/2;
		}
		System.out.println(ans);
		sc.close();
		
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int A = Integer.parseInt(sc.next()); A Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int B = Integer.parseInt(sc.next()); B Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int ans = B; ans B if(A<6) {
			ans = 0;
		}else if(A<13){
			ans = B/2;
		} A<6 A 6 {
			ans = 0;
		} ans = 0 ans 0 if(A<13){
			ans = B/2;
		} A<13 A 13 {
			ans = B/2;
		} ans = B/2 ans B/2 B 2 System.out.println(ans) System.out.println System.out System System.out ans sc.close() sc.close sc String[] args args public class Main{

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		int A = Integer.parseInt(sc.next());
		int B = Integer.parseInt(sc.next());
		int ans = B;
		if(A<6) {
			ans = 0;
		}else if(A<13){
			ans = B/2;
		}
		System.out.println(ans);
		sc.close();
		
	}
} public class Main{

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		int A = Integer.parseInt(sc.next());
		int B = Integer.parseInt(sc.next());
		int ans = B;
		if(A<6) {
			ans = 0;
		}else if(A<13){
			ans = B/2;
		}
		System.out.println(ans);
		sc.close();
		
	}
} Main
import java.util.Scanner;
public class Main{

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		int A = Integer.parseInt(sc.next());
		int B = Integer.parseInt(sc.next());
		int ans = B;
		if(A<6) {
			ans = 0;
		}else if(A<13){
			ans = B/2;
		}
		System.out.println(ans);
		sc.close();
		
	}
}