Sunglasses

import java.util.Scanner;

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

        System.out.println(repeatStr("*", n * 2) + repeatStr(" ", n) + repeatStr("*", n * 2));
        for (int i = 0; i < n - 2; i++) {
            System.out.print("*" + repeatStr("/", 2*n - 2) + "*");
            if (i != (n - 1) / 2 - 1) {
                System.out.print(repeatStr(" ", n));
            } else {
                System.out.print(repeatStr("|", n));
            }
            System.out.print("*" + repeatStr("/", 2*n - 2) + "*");
            System.out.println();
        }
        System.out.println(repeatStr("*", n * 2) + repeatStr(" ", n) + repeatStr("*", n * 2));
    }
    static String repeatStr(String str, int count) {
        StringBuilder repeated = new StringBuilder();
        for (int i = 0; i < count; i++) {
            repeated.append(str);
        }
        return repeated.toString();
    }
}