Crown

import java.util.Scanner;
public class Crown {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        int n=Integer.parseInt(scanner.nextLine());
        int m=n;
        int countleft=1;
        int countmiddle=1;
        int countright=1;
        System.out.print("@");
        System.out.print(repeatStr(" ",n-2));
        System.out.print("@");
        System.out.print(repeatStr(" ",n-2));
        System.out.println("@");
        System.out.print("**");
        System.out.print(repeatStr(" ",n-3));
        System.out.print("*");
        System.out.print(repeatStr(" ",n-3));
        System.out.println("**");

        for (int i = 0; i <(n/2)-2 ; i++) {
            System.out.print("*");
            System.out.print(repeatStr(".",countleft));
            System.out.print("*");
            System.out.print(repeatStr(" ",m-5));
            System.out.print("*");
            System.out.print(repeatStr(".",countmiddle));
            System.out.print("*");
            System.out.print(repeatStr(" ",m-5));
            System.out.print("*");
            System.out.print(repeatStr(".",countright));
            System.out.println("*");
            countleft++;
            countmiddle+=2;
            m-=2;
            countright++;}
        System.out.print("*");
        System.out.print(repeatStr(".",countleft));
        System.out.print("*");
        System.out.print(repeatStr(".",countmiddle));
        System.out.print("*");
        System.out.print(repeatStr(".",countleft));
        System.out.println("*");
int star_count=((2*n-1)-(2*(n/2)+3))/2;
        System.out.print("*");
        System.out.print(repeatStr(".",n/2));
        System.out.print(repeatStr("*",star_count));
        System.out.print(".");
        System.out.print(repeatStr("*",star_count));
        System.out.print(repeatStr(".",n/2));
        System.out.println("*");

        System.out.println(repeatStr("*",2*n-1));
        System.out.println(repeatStr("*",2*n-1));

        }

    static String repeatStr(String str, int count ){
        String text="";
        {
            for (int j = 0; j <count ; j++) {
                text=text+str;
            }

        }
        return text;}
}