import java.util.*;

public class Main {

    public static void main(String[] args) {
//        long startTime = System.currentTimeMillis();
        Scanner scanner = new Scanner(System.in);
        int A = scanner.nextInt();
        int B = scanner.nextInt();
        scanner.close();

        // check
        int count = 0;

        if (A >= 6 && A <= 12) {
            count = B / 2;
        } else if (A <= 5) {
            count = 0;
        } else {
            count = B;
        }


        System.out.println(count);

//        System.out.println(System.currentTimeMillis() - startTime);
    }


}

/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