square frame

import java.util.Scanner;
public class Intro
{
  public static void main(String[] Args)
  {
    Scanner z=new Scanner(System.in);
    int n=Integer.parseInt(z.nextLine());
    System.out.print("+");
    for(int i=1;i<=n-2;i++)
    {
      System.out.print(" -");
    }
    System.out.println(" +");
    for(int a=1;a<=n-1;a++)
    {
      System.out.print("|");
      for(int b=1;b<=n-2;b++)
        System.out.print(" -");
      System.out.println(" |");
    }
    System.out.print("+");
    for(int i=1;i<=n-2;i++)
    {
      System.out.print(" -");
    }
    System.out.print(" +");

  }
}