import java.util.Scanner;

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

		int A = Integer.parseInt(sc.next());

		int B = Integer.parseInt(sc.next());

		if(A>12) {
			System.out.println(B);
		}else if(A>5){
			System.out.println(B/2);
		}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