import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int A = sc.nextInt();
		int B = sc.nextInt();
      
		if (0<=A&&A<=5){
           B = 0;
          System.out.print(B);
        }else if (6<=A && A<=12){
           B = B/2;
          System.out.print(B);
        }else if (13<=A && A<=100){
          System.out.print(B);
        }
		// 出力
		
	}
}

/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