import java.util.*;
class Main
{
	public static void main(String args[])
	{
		Scanner sc=new Scanner(System.in);
		int a=sc.nextInt();
		int b=sc.nextInt();
		
		if(a>12){
			System.out.println(b);
		}
		else if(5<a && a<13){
			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