import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		int n1 = sc.nextInt();
		int n2 = sc.nextInt();
		
		if ( n1 > 12 ){
			System.out.println(n2);
		}else if ( n1> 5){
			System.out.println(n2/2);
		}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