import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;

public class Main {
  public static void main(String[] args) throws IOException {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    String[] strs = br.readLine().split(" ");
    int age = Integer.parseInt(strs[0]);
    int money = Integer.parseInt(strs[1]);
    if (age < 13) {
      if (age < 6) {
        System.out.println(0);
      } else {
        System.out.println(money / 2);
      }
    } else {
      System.out.println(money);
    }
  }
}
/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