Crown

import java.util.Scanner;

public class Crown {
    public static void main(String[] agrs) {
        Scanner scanner = new Scanner(System.in);

        int n = Integer.parseInt(scanner.nextLine());

        int width = (2 * n) - 1;
        int heigth = (n / 2) + 4;
        int counterStarsMiddle = 0;
        String down = repeatStr("*", width);

        String up = "@" + repeatStr(" ", n - 2)
                + "@" + repeatStr(" ", n - 2) + "@";
        String beforeMiddle = "**" + repeatStr(" ", n - 3)
                + "*" + repeatStr(" ", n - 3) + "**";

        System.out.println(up);
        System.out.println(beforeMiddle);

        for (int i = 1; i <= n / 2 - 2; i++) {
            String middle = "*" + repeatStr(".", i) + "*"
                    + repeatStr(" ", n - 3 - i - i)
                    + "*" + repeatStr(".", i + counterStarsMiddle) + "*"
                    + repeatStr(" ", n - 3 - i - i)
                    + "*" + repeatStr(".", i) + "*";
            counterStarsMiddle += 1;
            System.out.println(middle);
        }
        String firstLineAfterCrown = "*" + repeatStr(".", n / 2 - 1) + "*"
                + repeatStr(".", n - 3) + "*"
                + repeatStr(".", n / 2 - 1) + "*";

        System.out.println(firstLineAfterCrown);

        String secondLineAfterCrown = "*" + repeatStr(".", n / 2)
                + repeatStr("*", n / 2 - 2) + "."
                + repeatStr("*", n / 2 - 2)
                + repeatStr(".", n / 2) + "*";

        System.out.println(secondLineAfterCrown);
        System.out.println(down);
        System.out.println(down);
    }

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

        }
        return text;
    }
}