import java.util.Arrays;
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<=5){
        System.out.println(0);
      }else if(a>=13){
        System.out.println(b);
      }else{
        System.out.println(b/2);
      }
    }
} import java.util.Arrays; Arrays java.util 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<=5){
        System.out.println(0);
      }else if(a>=13){
        System.out.println(b);
      }else{
        System.out.println(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.println(0);
      }else if(a>=13){
        System.out.println(b);
      }else{
        System.out.println(b/2);
      }
    } main {
    Scanner sc = new Scanner(System.in);
      int a = sc.nextInt();
      int b = sc.nextInt();
      if(a<=5){
        System.out.println(0);
      }else if(a>=13){
        System.out.println(b);
      }else{
        System.out.println(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.println(0);
      }else if(a>=13){
        System.out.println(b);
      }else{
        System.out.println(b/2);
      } a<=5 a 5 {
        System.out.println(0);
      } System.out.println(0) System.out.println System.out System System.out 0 if(a>=13){
        System.out.println(b);
      }else{
        System.out.println(b/2);
      } a>=13 a 13 {
        System.out.println(b);
      } System.out.println(b) System.out.println System.out System System.out b {
        System.out.println(b/2);
      } System.out.println(b/2) System.out.println 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.println(0);
      }else if(a>=13){
        System.out.println(b);
      }else{
        System.out.println(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.println(0);
      }else if(a>=13){
        System.out.println(b);
      }else{
        System.out.println(b/2);
      }
    }
} Main
import java.util.Arrays;
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<=5){
        System.out.println(0);
      }else if(a>=13){
        System.out.println(b);
      }else{
        System.out.println(b/2);
      }
    }
}
