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