import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		int fee = 0;

		if(A<=5) {
			fee = 0;
		}if(6<=A && A<=12) {
			fee = B/2;
		}if(13<=A) {
			fee = B;
		}

		System.out.println(fee);
	}

} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		int fee = 0;

		if(A<=5) {
			fee = 0;
		}if(6<=A && A<=12) {
			fee = B/2;
		}if(13<=A) {
			fee = B;
		}

		System.out.println(fee);
	}

} Main public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		int fee = 0;

		if(A<=5) {
			fee = 0;
		}if(6<=A && A<=12) {
			fee = B/2;
		}if(13<=A) {
			fee = B;
		}

		System.out.println(fee);
	} main {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		int fee = 0;

		if(A<=5) {
			fee = 0;
		}if(6<=A && A<=12) {
			fee = B/2;
		}if(13<=A) {
			fee = B;
		}

		System.out.println(fee);
	} 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 int fee = 0; fee 0 if(A<=5) {
			fee = 0;
		} A<=5 A 5 {
			fee = 0;
		} fee = 0 fee 0 if(6<=A && A<=12) {
			fee = B/2;
		} 6<=A && A<=12 6<=A 6 A A<=12 A 12 {
			fee = B/2;
		} fee = B/2 fee B/2 B 2 if(13<=A) {
			fee = B;
		} 13<=A 13 A {
			fee = B;
		} fee = B fee B System.out.println(fee) System.out.println System.out System System.out fee String[] args args public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		int fee = 0;

		if(A<=5) {
			fee = 0;
		}if(6<=A && A<=12) {
			fee = B/2;
		}if(13<=A) {
			fee = B;
		}

		System.out.println(fee);
	}

} public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		int fee = 0;

		if(A<=5) {
			fee = 0;
		}if(6<=A && A<=12) {
			fee = B/2;
		}if(13<=A) {
			fee = B;
		}

		System.out.println(fee);
	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ

		Scanner sc = new Scanner(System.in);

		int A = sc.nextInt();
		int B = sc.nextInt();
		int fee = 0;

		if(A<=5) {
			fee = 0;
		}if(6<=A && A<=12) {
			fee = B/2;
		}if(13<=A) {
			fee = B;
		}

		System.out.println(fee);
	}

}
