import java.util.Scanner;

class Main{
	public static void main (String[] args) {
		Scanner stdIn = new Scanner(System.in);
		int c;
		int a = stdIn.nextInt();
		int b = stdIn.nextInt();
		if(a>=13)
			c = b;
		else if(a<=5)
			c = 0;
		else
			c = b/2;
		System.out.print(c);
	}
}
/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