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(6<=A && A<=12){
        System.out.println(B/2);
      }else if(A <= 5){
        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(6<=A && A<=12){
        System.out.println(B/2);
      }else if(A <= 5){
        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(6<=A && A<=12){
        System.out.println(B/2);
      }else if(A <= 5){
        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(6<=A && A<=12){
        System.out.println(B/2);
      }else if(A <= 5){
        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(6<=A && A<=12){
        System.out.println(B/2);
      }else if(A <= 5){
        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(6<=A && A<=12){
        System.out.println(B/2);
      }else if(A <= 5){
        System.out.println(0);
      } 6<=A && A<=12 6<=A 6 A 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 if(A <= 5){
        System.out.println(0);
      } A <= 5 A 5 {
        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(6<=A && A<=12){
        System.out.println(B/2);
      }else if(A <= 5){
        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(6<=A && A<=12){
        System.out.println(B/2);
      }else if(A <= 5){
        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(6<=A && A<=12){
        System.out.println(B/2);
      }else if(A <= 5){
        System.out.println(0);
      }
    }
}