import java.util.Scanner;

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 >= 13) {

		}else if(A <= 5) {
			B = 0;

		} else {
			B /=2;

		}
		System.out.println(B);
	}
}

/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