import java.util.*;
import java.math.*;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		List<Integer> list = new ArrayList<>();

		int a = sc.nextInt();
		int b = sc.nextInt();

		if (a >= 13) {
			System.out.println(b);
		} else if (a <= 5) {
			System.out.println(0);

		} else {
			System.out.println(b / 2);

		}
	}
} import java.util.*; util.* java import java.math.*; math.* java public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		List<Integer> list = new ArrayList<>();

		int a = sc.nextInt();
		int b = sc.nextInt();

		if (a >= 13) {
			System.out.println(b);
		} else if (a <= 5) {
			System.out.println(0);

		} else {
			System.out.println(b / 2);

		}
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		List<Integer> list = new ArrayList<>();

		int a = sc.nextInt();
		int b = sc.nextInt();

		if (a >= 13) {
			System.out.println(b);
		} else if (a <= 5) {
			System.out.println(0);

		} else {
			System.out.println(b / 2);

		}
	} main {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		List<Integer> list = new ArrayList<>();

		int a = sc.nextInt();
		int b = sc.nextInt();

		if (a >= 13) {
			System.out.println(b);
		} else if (a <= 5) {
			System.out.println(0);

		} else {
			System.out.println(b / 2);

		}
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) List<Integer> list = new ArrayList<>(); list new ArrayList<>() int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc if (a >= 13) {
			System.out.println(b);
		} else if (a <= 5) {
			System.out.println(0);

		} else {
			System.out.println(b / 2);

		} a >= 13 a 13 {
			System.out.println(b);
		} System.out.println(b) System.out.println System.out System System.out b if (a <= 5) {
			System.out.println(0);

		} else {
			System.out.println(b / 2);

		} a <= 5 a 5 {
			System.out.println(0);

		} System.out.println(0) System.out.println System.out System System.out 0 {
			System.out.println(b / 2);

		} System.out.println(b / 2) System.out.println System.out System System.out b / 2 b 2 String[] args args public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		List<Integer> list = new ArrayList<>();

		int a = sc.nextInt();
		int b = sc.nextInt();

		if (a >= 13) {
			System.out.println(b);
		} else if (a <= 5) {
			System.out.println(0);

		} else {
			System.out.println(b / 2);

		}
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		List<Integer> list = new ArrayList<>();

		int a = sc.nextInt();
		int b = sc.nextInt();

		if (a >= 13) {
			System.out.println(b);
		} else if (a <= 5) {
			System.out.println(0);

		} else {
			System.out.println(b / 2);

		}
	}
} Main
import java.util.*;
import java.math.*;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		List<Integer> list = new ArrayList<>();

		int a = sc.nextInt();
		int b = sc.nextInt();

		if (a >= 13) {
			System.out.println(b);
		} else if (a <= 5) {
			System.out.println(0);

		} else {
			System.out.println(b / 2);

		}
	}
}
