import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String[] input = scanner.nextLine().split(" ");
        int age = Integer.valueOf(input[0]);
        int value = Integer.valueOf(input[1]);
        int cost = value;

        if (age <= 5) {
            cost = 0;
        } else if ( age >= 6 && age <= 12) {
            cost = value / 2;
        }

        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