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