import java.util.Scanner;

class Main {
    public static void main(final 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 >= 6 && a <= 12) {
            System.out.println(b/2);
        } else {
            System.out.println(0);
        }
    }

} import java.util.Scanner; Scanner java.util class Main {
    public static void main(final 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 >= 6 && a <= 12) {
            System.out.println(b/2);
        } else {
            System.out.println(0);
        }
    }

} Main public static void main(final 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 >= 6 && a <= 12) {
            System.out.println(b/2);
        } else {
            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 >= 6 && a <= 12) {
            System.out.println(b/2);
        } else {
            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 >= 6 && a <= 12) {
            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 && a <= 12) {
            System.out.println(b/2);
        } else {
            System.out.println(0);
        } a >= 6 && a <= 12 a >= 6 a 6 a <= 12 a 12 {
            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 final String[] args args
import java.util.Scanner;

class Main {
    public static void main(final 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 >= 6 && a <= 12) {
            System.out.println(b/2);
        } else {
            System.out.println(0);
        }
    }

}
