import java.util.Scanner;

public class Main{
    
    public static void main (String[] args){
        
        Scanner sc = new Scanner (System.in);
        
        int A = sc.nextInt();
        int B = sc.nextInt();
        
        if (A>=13){
            System.out.println(B);
        } else if (A>=6){
            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