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

public class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String inp[]= br.readLine().split(" ");
        int a= Integer.parseInt(inp[0]);
        int b= Integer.parseInt(inp[1]);
        if(a<=12 && a>=6)
        	b/=2;
        else
        	if(a<=5)
        		b=0;
        System.out.print(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