import java.util.Scanner;

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

        Scanner input = new Scanner(System.in);

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

        for (int i = 0; i < n * 2; i++) {
            System.out.println(repeatString(".", ((12 * n - 5) / 2) - i * 3) + repeatString("#", 1 + (i * 6)) + repeatString(".", ((12 * n - 5) / 2) - i * 3));
        }
        for (int i = 0; i < n - 2; i++) {
            System.out.println("|" + repeatString(".", 2 + i * 3) + repeatString("#", (12 * n - 11) - i * 6) + repeatString(".", 3 + i * 3));
        }
        for (int i = 3; i <= n + 1; i++) {
            System.out.println("|" + repeatString(".", 2 + (n - 2) * 3) + repeatString("#", (12 * n - 11) - (n - 2) * 6) + repeatString(".", 3 + (n - 2) * 3));
        }
        System.out.println("@" + repeatString(".", 2 + (n - 2) * 3) + repeatString("#", (12 * n - 11) - (n - 2) * 6) + repeatString(".", 3 + (n - 2) * 3));


    }
    public static String repeatString(String str, int counter) {
        String text = "";
        for (int i = 0; i < counter; i++) {
            text += str;
        }
        return text;
    }
 }