import java.util.Scanner;

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

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

        int result = 0;
        if (A >= 13) {
            result = B;
        } else if ( A >= 6 && A <= 12) {
            result = B / 2;
        } else {
            result = 0;
        }
        System.out.println(result);
    }
} import java.util.Scanner; Scanner java.util class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

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

        int result = 0;
        if (A >= 13) {
            result = B;
        } else if ( A >= 6 && A <= 12) {
            result = B / 2;
        } else {
            result = 0;
        }
        System.out.println(result);
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

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

        int result = 0;
        if (A >= 13) {
            result = B;
        } else if ( A >= 6 && A <= 12) {
            result = B / 2;
        } else {
            result = 0;
        }
        System.out.println(result);
    } main {
        Scanner sc = new Scanner(System.in);

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

        int result = 0;
        if (A >= 13) {
            result = B;
        } else if ( A >= 6 && A <= 12) {
            result = B / 2;
        } else {
            result = 0;
        }
        System.out.println(result);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int A = sc.nextInt() A sc.nextInt() sc.nextInt sc B = sc.nextInt(); B sc.nextInt() sc.nextInt sc int result = 0; result 0 if (A >= 13) {
            result = B;
        } else if ( A >= 6 && A <= 12) {
            result = B / 2;
        } else {
            result = 0;
        } A >= 13 A 13 {
            result = B;
        } result = B result B if ( A >= 6 && A <= 12) {
            result = B / 2;
        } else {
            result = 0;
        } A >= 6 && A <= 12 A >= 6 A 6 A <= 12 A 12 {
            result = B / 2;
        } result = B / 2 result B / 2 B 2 {
            result = 0;
        } result = 0 result 0 System.out.println(result) System.out.println System.out System System.out result String[] args args
import java.util.Scanner;

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

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

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