import java.util.Scanner;

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<=5){System.out.print(0);}
      else if(A>=13){System.out.print(B);}
      else{{System.out.print(B/2);}}
      
		
	}
} import java.util.Scanner; Scanner 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<=5){System.out.print(0);}
      else if(A>=13){System.out.print(B);}
      else{{System.out.print(B/2);}}
      
		
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
        int B = sc.nextInt();
      
      if(A<=5){System.out.print(0);}
      else if(A>=13){System.out.print(B);}
      else{{System.out.print(B/2);}}
      
		
	} main {
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
        int B = sc.nextInt();
      
      if(A<=5){System.out.print(0);}
      else if(A>=13){System.out.print(B);}
      else{{System.out.print(B/2);}}
      
		
	} 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<=5){System.out.print(0);}
      else if(A>=13){System.out.print(B);}
      else{{System.out.print(B/2);}} A<=5 A 5 {System.out.print(0);} System.out.print(0) System.out.print System.out System System.out 0 if(A>=13){System.out.print(B);}
      else{{System.out.print(B/2);}} A>=13 A 13 {System.out.print(B);} System.out.print(B) System.out.print System.out System System.out B {{System.out.print(B/2);}} {System.out.print(B/2);} System.out.print(B/2) System.out.print System.out System System.out B/2 B 2 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<=5){System.out.print(0);}
      else if(A>=13){System.out.print(B);}
      else{{System.out.print(B/2);}}
      
		
	}
} 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<=5){System.out.print(0);}
      else if(A>=13){System.out.print(B);}
      else{{System.out.print(B/2);}}
      
		
	}
} Main
import java.util.Scanner;

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<=5){System.out.print(0);}
      else if(A>=13){System.out.print(B);}
      else{{System.out.print(B/2);}}
      
		
	}
}
