import java.util.*;
import java.lang.*;
import java.io.*;

public class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner e = new Scanner(System.in);
		
		int a = e.nextInt();
		int b = e.nextInt();
		
		if(a <= 5)
		{
			System.out.println("0");
		}
		else if(a >= 13)
		{
			System.out.println(b);
		}
		else if(a >= 6 || a <= 12)
		{
			System.out.println(b / 2);
		}
	}
}
/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