import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		int A = 0;
		int B = 0;
		Scanner sc = new Scanner(System.in);
		A = Integer.parseInt(sc.next());
		B = Integer.parseInt(sc.next());
		if(A>=13){
			System.out.println(B);
		}
		else if(6<=A&&A<=12){
			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