Sunglass

import java.util.Scanner;

public class SunglassNONO {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = Integer.parseInt(scanner.nextLine());

        System.out.print(repeatString("*", n*2));
        System.out.print(repeatString(" ", n));
        System.out.println(repeatString("*", 2*n));

        for (int row = 0; row < n-2; row++) {
            System.out.print("*");
            System.out.print(repeatString("/", 2*n-2));
            System.out.print("*");

            if (n%2==0){
                if (row==(n-2)/2-1) {
                    System.out.print(repeatString("|", n));
                } else {
                    System.out.print(repeatString(" ", n));
                }
            } else {
                if (row==(n-2)/2) {
                    System.out.print(repeatString("|", n));
                } else {
                    System.out.print(repeatString(" ", n));
                }
            }
            System.out.print("*");
            System.out.print(repeatString("/", 2*n-2));
            System.out.println("*");
        }
        System.out.print(repeatString("*", n*2));
        System.out.print(repeatString(" ", n));
        System.out.println(repeatString("*", 2*n));


    }
    static String repeatString(String toRepeat, int count) {
        String text = "";

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