Logo

import java.util.Scanner;

public class P05_SoftUniLogo {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

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

        int col = (12*n)-5;
        int row = (4*n)-2;

        for (int i = 0; i < n * 2; i++) {
            String line = repeatString(".", ((col-1)/2)-(3*i))
                    + repeatString("#", 1+(6*i))
                    + repeatString(".", ((col-1)/2)-(3*i));
            System.out.println(line);
        }
        for (int i = 0; i < n-1; i++) {
            String middle = "|" + repeatString(".", 2+(3*i))
                    + repeatString("#", (col-6)-(6*i))
                    + repeatString(".", 3+(3*i));
            System.out.println(middle);
        }
        for (int i = 0; i < n - 2; i++) {
            String line = "|" + repeatString(".", (3*n-3)-1)
                    + repeatString("#", col-((3*n-3)*2))
                    + repeatString(".", 3*n-3);
            System.out.println(line);
        }

        String middleThree = "@" + repeatString(".", (3*n-3)-1)
                + repeatString("#", col-((3*n-3)*2))
                + repeatString(".", 3*n-3);
        System.out.println(middleThree);
    }
    static String repeatString(String toRepeat, int count) {
        StringBuilder text = new StringBuilder();

        for (int i = 1; i <=count; i++) {
            text.append(toRepeat);
        }
        return text.toString();
    }
}