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