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

public class Main{
    
    public static void main(String[] arg){
        Scanner scan =new Scanner(System.in);
        int a=scan.nextInt();
        int b=scan.nextInt();

        if(a>=13){
            System.out.println(b);
        }
        else if(a >=6 && a<=12) {
            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