using System;

public class Program

{

            public static void Main()

    {

var n = int.Parse(Console.ReadLine());

// Print the top row: + - - - +

Console.Write("+");

for (int i = 0; i < n-2; i++)

   Console.Write(" -");

Console.WriteLine(" +");

for (int row = 0; row < n - 2; row++);

                for (int col = 0; col < n - 2; col++);

   // TODO: print the mid rows: | - - - |

// TODO: print the bottom row: + - - - +

​

}

            }

​

​