import java.util.Scanner;

public class Main {

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

        if(A >= 13){
            System.out.println(B);
        }
        else if(A <= 12 && A >= 6){
            System.out.println(B/2);
        }
        else if(A <= 5){
            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