import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int age = Integer.parseInt(sc.next());
    int fee = Integer.parseInt(sc.next());
    if(age <= 5) System.out.println(0);
    else if(age <= 12) System.out.println(fee / 2);
    else System.out.println(fee);
  }
}

/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