import java.util.Scanner;



public class Main {

	public static void main(String[] args) {

		Solve s= new Solve();
		s.solve();

	}
}


class Solve{


	 public void solve() {
		 Scanner sc = new Scanner(System.in) ;
		 int a = sc.nextInt();
		 int b = sc.nextInt();
		 int res = 0;
		 if(a>=13) {
			 res = b;
		 }else if(a>=6) {
			 res=b/2;
		 }

		 System.out.println(res);




		 }
}
/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