import java.util.Scanner;
public class Main {
	public static void main(String[] args){
    	Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int ans = 0;
        if(a >= 13){
        	ans = b;
        }else if(a <= 13 && a >= 6){
            ans = b / 2;
        }else if(a < 6){
        	ans = 0;
        }
        System.out.println(ans);
    }
}
/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