import java.util.Scanner;

class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		String[] inputs = scanner.nextLine().split(" ", 0);
		int A = Integer.parseInt(inputs[0]);
		int B = Integer.parseInt(inputs[1]);
		if(A <= 5) {
			System.out.println("0");
		}else if(A <= 12) {
			System.out.println(B / 2);
		}else{
			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