import java.util.*;

class Main
{
    public static  void main(String[] args)
    {
        Scanner sc = new Scanner(System.in);
        
        int a = sc.nextInt();
        int b = sc.nextInt();
        
        if (a <= 5) {
            System.out.println(0);
            return;
        } else if (a >= 13) {
            System.out.println(b);
        } else {
            System.out.println(b / 2);
        }

        
    }
}
/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