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();
		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 sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.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 sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.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 sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.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 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 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(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(b/2) System.out.println System.out System System.out b/2 b 2 {
			System.out.println(b);
		} 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 sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.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 sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.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 sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		if(a<=5){
			System.out.println(0);
		}else if(a>=6 && a<=12){
			System.out.println(b/2);
		}else{
			System.out.println(b);
		}
	}
}
