import java.util.*;


class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int a = Integer.parseInt(sc.next());
        int b = Integer.parseInt(sc.next());
        int result = 0;
        //a>=13を満たす時bを返す,満たさないときで、a>=6を満たすb/2,満たさないなら0
        System.out.println(result = (a >= 13) ? b : (a >= 6) ? b / 2 : 0);
    }
} import java.util.*; util.* java class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int a = Integer.parseInt(sc.next());
        int b = Integer.parseInt(sc.next());
        int result = 0;
        //a>=13を満たす時bを返す,満たさないときで、a>=6を満たすb/2,満たさないなら0
        System.out.println(result = (a >= 13) ? b : (a >= 6) ? b / 2 : 0);
    }
} Main public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int a = Integer.parseInt(sc.next());
        int b = Integer.parseInt(sc.next());
        int result = 0;
        //a>=13を満たす時bを返す,満たさないときで、a>=6を満たすb/2,満たさないなら0
        System.out.println(result = (a >= 13) ? b : (a >= 6) ? b / 2 : 0);
    } main {
        Scanner sc = new Scanner(System.in);
        int a = Integer.parseInt(sc.next());
        int b = Integer.parseInt(sc.next());
        int result = 0;
        //a>=13を満たす時bを返す,満たさないときで、a>=6を満たすb/2,満たさないなら0
        System.out.println(result = (a >= 13) ? b : (a >= 6) ? b / 2 : 0);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = Integer.parseInt(sc.next()); a Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int b = Integer.parseInt(sc.next()); b Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int result = 0; result 0 System.out.println(result = (a >= 13) ? b : (a >= 6) ? b / 2 : 0) System.out.println System.out System System.out result = (a >= 13) ? b : (a >= 6) ? b / 2 : 0 result (a >= 13) ? b : (a >= 6) ? b / 2 : 0 (a >= 13) a 13 b (a >= 6) ? b / 2 : 0 (a >= 6) a 6 b / 2 b 2 0 String[] args args
import java.util.*;


class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int a = Integer.parseInt(sc.next());
        int b = Integer.parseInt(sc.next());
        int result = 0;
        //a>=13を満たす時bを返す,満たさないときで、a>=6を満たすb/2,満たさないなら0
        System.out.println(result = (a >= 13) ? b : (a >= 6) ? b / 2 : 0);
    }
}