import java.util.Scanner;
import java.util.List;
import java.util.ArrayList;
import java.util.Objects;

public class Main {
  public static void main(String[] args ){

    Scanner sc = new Scanner(System.in);

    int A = sc.nextInt();
    int B = sc.nextInt();

    int value = 0;
    if (A >= 13){
      value = B;
    } else if (A >= 6){
      value = B / 2;
    }
    System.out.println(value);
  }
}

/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