import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scn = new Scanner(System.in);

		int a = scn.nextInt();
		int b = scn.nextInt();
		int ans = 0;

		if(a>= 13) {
			ans = b;
		}else if(a<= 12 && a>=6) {
			ans = b/2;
		}else {
			ans = 0;
		}
		System.out.println(ans);
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		Scanner scn = new Scanner(System.in);

		int a = scn.nextInt();
		int b = scn.nextInt();
		int ans = 0;

		if(a>= 13) {
			ans = b;
		}else if(a<= 12 && a>=6) {
			ans = b/2;
		}else {
			ans = 0;
		}
		System.out.println(ans);
	}
} Main public static void main(String[] args) {
		Scanner scn = new Scanner(System.in);

		int a = scn.nextInt();
		int b = scn.nextInt();
		int ans = 0;

		if(a>= 13) {
			ans = b;
		}else if(a<= 12 && a>=6) {
			ans = b/2;
		}else {
			ans = 0;
		}
		System.out.println(ans);
	} main {
		Scanner scn = new Scanner(System.in);

		int a = scn.nextInt();
		int b = scn.nextInt();
		int ans = 0;

		if(a>= 13) {
			ans = b;
		}else if(a<= 12 && a>=6) {
			ans = b/2;
		}else {
			ans = 0;
		}
		System.out.println(ans);
	} Scanner scn = new Scanner(System.in); scn new Scanner(System.in) int a = scn.nextInt(); a scn.nextInt() scn.nextInt scn int b = scn.nextInt(); b scn.nextInt() scn.nextInt scn int ans = 0; ans 0 if(a>= 13) {
			ans = b;
		}else if(a<= 12 && a>=6) {
			ans = b/2;
		}else {
			ans = 0;
		} a>= 13 a 13 {
			ans = b;
		} ans = b ans b if(a<= 12 && a>=6) {
			ans = b/2;
		}else {
			ans = 0;
		} a<= 12 && a>=6 a<= 12 a 12 a>=6 a 6 {
			ans = b/2;
		} ans = b/2 ans b/2 b 2 {
			ans = 0;
		} ans = 0 ans 0 System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {
	public static void main(String[] args) {
		Scanner scn = new Scanner(System.in);

		int a = scn.nextInt();
		int b = scn.nextInt();
		int ans = 0;

		if(a>= 13) {
			ans = b;
		}else if(a<= 12 && a>=6) {
			ans = b/2;
		}else {
			ans = 0;
		}
		System.out.println(ans);
	}
} public class Main {
	public static void main(String[] args) {
		Scanner scn = new Scanner(System.in);

		int a = scn.nextInt();
		int b = scn.nextInt();
		int ans = 0;

		if(a>= 13) {
			ans = b;
		}else if(a<= 12 && a>=6) {
			ans = b/2;
		}else {
			ans = 0;
		}
		System.out.println(ans);
	}
} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scn = new Scanner(System.in);

		int a = scn.nextInt();
		int b = scn.nextInt();
		int ans = 0;

		if(a>= 13) {
			ans = b;
		}else if(a<= 12 && a>=6) {
			ans = b/2;
		}else {
			ans = 0;
		}
		System.out.println(ans);
	}
}
