import java.util.*;
 
public class Main{
  public static void main(String[] args){
    Scanner scanner = new Scanner(System.in);
    int a = scanner.nextInt();
    int b = scanner.nextInt();
    if (a >= 13) {
      System.out.println(b + "\n");
    } else if (a < 13 && a >= 6) {
      System.out.println((b / 2) + "\n");
    } else {
      System.out.println("0\n");
    }
  }
}
/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