import java.util.*;

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

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