import java.util.*;

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 && 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