import java.util.Scanner;
 
public class Main
{
 
	public static void main(String[] args)
	{
		Scanner sc = new Scanner(System.in);
 
		int age = Integer.parseInt(sc.next());
 		int b = Integer.parseInt(sc.next());
		
      	if(age>=13){
          System.out.println(b);
        }else if(age<=5){
          System.out.println("0");
        }else{
          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