import java.util.Scanner;
public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int A,B,ans;
    A = sc.nextInt();
    B = sc.nextInt();
    if(A>=13)
      ans = B;
    else if((A>=6)&&(A<=12))
      ans = (B/2);
    else
      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