import java.util.Scanner;

import java.util.Arrays;
import java.util.ArrayList;

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) {
			System.out.println(B/2);
		}
		else {
			System.out.println(0);
		}
	}
}	 import java.util.Scanner; Scanner java.util import java.util.Arrays; Arrays java.util import java.util.ArrayList; ArrayList 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) {
			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(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(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) {
			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) {
			System.out.println(B/2);
		}
		else {
			System.out.println(0);
		}
	}
} Main
import java.util.Scanner;

import java.util.Arrays;
import java.util.ArrayList;

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) {
			System.out.println(B/2);
		}
		else {
			System.out.println(0);
		}
	}
}	
