import java.io.FileNotFoundException;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		sc.close();

		if(A>=13) {
			System.out.println(B);
		} else {
			if(A>=6) {
				System.out.println(B/2);
			}  else {
				System.out.println("0");
			}
		}

	}
} import java.io.FileNotFoundException; FileNotFoundException java.io import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		sc.close();

		if(A>=13) {
			System.out.println(B);
		} else {
			if(A>=6) {
				System.out.println(B/2);
			}  else {
				System.out.println("0");
			}
		}

	}
} Main public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		sc.close();

		if(A>=13) {
			System.out.println(B);
		} else {
			if(A>=6) {
				System.out.println(B/2);
			}  else {
				System.out.println("0");
			}
		}

	} main {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		sc.close();

		if(A>=13) {
			System.out.println(B);
		} else {
			if(A>=6) {
				System.out.println(B/2);
			}  else {
				System.out.println("0");
			}
		}

	} 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 sc.close() sc.close 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");
			}
		} 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" String[] args args public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		sc.close();

		if(A>=13) {
			System.out.println(B);
		} else {
			if(A>=6) {
				System.out.println(B/2);
			}  else {
				System.out.println("0");
			}
		}

	}
} public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		sc.close();

		if(A>=13) {
			System.out.println(B);
		} else {
			if(A>=6) {
				System.out.println(B/2);
			}  else {
				System.out.println("0");
			}
		}

	}
} Main
import java.io.FileNotFoundException;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws FileNotFoundException {

		//    	File file = new File("src/in.txt");
		//    	Scanner sc = new Scanner(file);

		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		sc.close();

		if(A>=13) {
			System.out.println(B);
		} else {
			if(A>=6) {
				System.out.println(B/2);
			}  else {
				System.out.println("0");
			}
		}

	}
}
