import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {

	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

		String str[] = br.readLine().split(" ");

		int a = Integer.parseInt(str[0]);
		int b = Integer.parseInt(str[1]);

		if (a >= 13) {
			System.out.println(b);
		} else if (a >= 6) {
			System.out.println(b / 2);
		} else {
			System.out.println("0");
		}
	}
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io public class Main {

	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

		String str[] = br.readLine().split(" ");

		int a = Integer.parseInt(str[0]);
		int b = Integer.parseInt(str[1]);

		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 IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

		String str[] = br.readLine().split(" ");

		int a = Integer.parseInt(str[0]);
		int b = Integer.parseInt(str[1]);

		if (a >= 13) {
			System.out.println(b);
		} else if (a >= 6) {
			System.out.println(b / 2);
		} else {
			System.out.println("0");
		}
	} main {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

		String str[] = br.readLine().split(" ");

		int a = Integer.parseInt(str[0]);
		int b = Integer.parseInt(str[1]);

		if (a >= 13) {
			System.out.println(b);
		} else if (a >= 6) {
			System.out.println(b / 2);
		} else {
			System.out.println("0");
		}
	} BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) String str[] = br.readLine().split(" "); str br.readLine().split(" ") br.readLine().split br.readLine() br.readLine br " " int a = Integer.parseInt(str[0]); a Integer.parseInt(str[0]) Integer.parseInt Integer str[0] str 0 int b = Integer.parseInt(str[1]); b Integer.parseInt(str[1]) Integer.parseInt Integer str[1] str 1 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");
		} 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 IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

		String str[] = br.readLine().split(" ");

		int a = Integer.parseInt(str[0]);
		int b = Integer.parseInt(str[1]);

		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 IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

		String str[] = br.readLine().split(" ");

		int a = Integer.parseInt(str[0]);
		int b = Integer.parseInt(str[1]);

		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.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {

	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

		String str[] = br.readLine().split(" ");

		int a = Integer.parseInt(str[0]);
		int b = Integer.parseInt(str[1]);

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