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();
		int ans = 0;

		if (A >= 13) {
			ans = B;
		} else if (6 <= A && A <= 12) {
			ans = B / 2;
		}

		System.out.println(ans);
	}
} 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();
		int ans = 0;

		if (A >= 13) {
			ans = B;
		} else if (6 <= A && A <= 12) {
			ans = B / 2;
		}

		System.out.println(ans);
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		int ans = 0;

		if (A >= 13) {
			ans = B;
		} else if (6 <= A && A <= 12) {
			ans = B / 2;
		}

		System.out.println(ans);
	} main {
		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		int ans = 0;

		if (A >= 13) {
			ans = B;
		} else if (6 <= A && A <= 12) {
			ans = B / 2;
		}

		System.out.println(ans);
	} 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 int ans = 0; ans 0 if (A >= 13) {
			ans = B;
		} else if (6 <= A && A <= 12) {
			ans = B / 2;
		} A >= 13 A 13 {
			ans = B;
		} ans = B ans B if (6 <= A && A <= 12) {
			ans = B / 2;
		} 6 <= A && A <= 12 6 <= A 6 A A <= 12 A 12 {
			ans = B / 2;
		} ans = B / 2 ans B / 2 B 2 System.out.println(ans) System.out.println System.out System System.out ans 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();
		int ans = 0;

		if (A >= 13) {
			ans = B;
		} else if (6 <= A && A <= 12) {
			ans = B / 2;
		}

		System.out.println(ans);
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		int ans = 0;

		if (A >= 13) {
			ans = B;
		} else if (6 <= A && A <= 12) {
			ans = B / 2;
		}

		System.out.println(ans);
	}
} 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();
		int ans = 0;

		if (A >= 13) {
			ans = B;
		} else if (6 <= A && A <= 12) {
			ans = B / 2;
		}

		System.out.println(ans);
	}
}