
import java.util.Scanner;

 class Main {
    public static void main(String[] args) {
        Scanner in= new Scanner(System.in);
        int A= in.nextInt();
        int B= in.nextInt();

        if(A>=13)
            System.out.println(B);
        else
            if(A>=6 && A<=12){
            B=B>>1;
                System.out.println(B);
            }
            else{
                System.out.println(0);
            }

    }
}

/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