SqareV2

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Square
{
    class Sqare
    {
        static void Main()
        {
            int n = int.Parse(Console.ReadLine());
            for (int row = 0; row < n; row++)
            {
                for (int col = 0; col < n; col++)
                {
                    if(row == 0 || row == n -1)
                    {
                        Console.Write("*");
                    }
                    else if(col == 0 || col == n -1)
                    {
                        Console.Write("*");
                    }
                    else
                    {
                        Console.Write("-");
                    }
                }
                Console.WriteLine();
            }
        }
    }
}