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 cost = Integer.parseInt(sc.next());
      if (age <= 5) {
        System.out.println(0);
    } else if (age <= 12) {
        System.out.println(cost/2);
    } else {
    	System.out.println(cost);
    }
  }
}
/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