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();

if(A >=0 && A <=100 && B%2==0 && B >=2 && B <=1000) {
if(A >= 13 ) {
System.out.println(B);
}else if(A >=6 && A <= 12) {
System.out.println(B/2);
}else{
System.out.println(0);
}
}
}
}
/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