package com.company;
import com.sun.org.apache.xpath.internal.SourceTree;

import java.util.Scanner;
public class Main {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);
        int n = Integer.parseInt(scanner.nextLine());
        int purvitretired=n*2;
        int vtorired=n*2;
        System.out.printf(repeatStr("*",purvitretired));
        System.out.printf(repeatStr(" ",n));
        System.out.println(repeatStr("*",purvitretired));

        for (int i = 0; i <n-2 ; i++) {
            System.out.printf("*");
            System.out.printf(repeatStr("/",purvitretired-2));
            System.out.printf("*");
            if (n%2==1) {
                if (i + 1 == n / 2) {
                    System.out.printf(repeatStr("|", n));
                }
            }
            if (n%2==1) {
                if (i + 1 != n / 2) {
                    System.out.printf(repeatStr(" ", n));
                }
            }
            if(n%2==0){
                if(i!=n/2-2){
                    System.out.printf(repeatStr(" ",n));
                }
            }
            if (n%2==0){
                if (i==n/2-2){
                    System.out.printf(repeatStr("|",n));
                }
            }
            System.out.printf("*");
            System.out.printf(repeatStr("/",purvitretired-2));
            System.out.println("*");

        }
        System.out.printf(repeatStr("*",purvitretired));
        System.out.printf(repeatStr(" ",n));
        System.out.println(repeatStr("*",purvitretired));


    }





    static String repeatStr(String text,int countToRepeat){
        StringBuilder result=new StringBuilder();
        for (int i = 0; i <countToRepeat ; i++) {
            result.append(text);
        }
        return result.toString();
    }
}