import 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();
		
		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.*; util.* java public 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 && A <= 12){
			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 && A <= 12){
			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 && A <= 12){
			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 && 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 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();
		
		if (A >= 13) {
			System.out.println(B);
		}else if(A >= 6 && A <= 12){
			System.out.println(B/2);
		}else{
			System.out.println(0);
		}
	}

} public 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 && A <= 12){
			System.out.println(B/2);
		}else{
			System.out.println(0);
		}
	}

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

}
