import java.util.Scanner;
public class Main{
 public static void main(String[] args){
   Scanner sc = new Scanner(System.in);
   int t_y = sc.nextInt();
   int num = sc.nextInt();
   
   
   if(t_y<=5){
    System.out.println(0);
   }
   else if(t_y<=12)
    {
    System.out.println(num/2);     
    }
   else
   {
    System.out.println(num);

   }
   
 }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz