import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
    public static void main(String args[]) throws IOException {
	BufferedReader masae = new BufferedReader(new InputStreamReader(System.in));
	String masae2[] = masae.readLine().split(" ");
	int A = Integer.parseInt(masae2[0]);
	int B = Integer.parseInt(masae2[1]);
	if (A >= 13) {
	    System.out.println(B);
	} else if (A >= 6 && A <= 12) {
	    System.out.println(B / 2);
	} else if (A <= 5) {
	    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