import java.util.Scanner;

public final class Main {
    public static void main(String[] args){
        Scanner stdIn = new Scanner(System.in);

        int a = stdIn.nextInt();
        int b = stdIn.nextInt();

        if(0<=a && a<=5){
            System.out.println(0);
        }else if(13<=a){
            System.out.println(b);
        }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