SquareOfStars - Chapter 1.0

//Task 006, Chapter 1.0
using System;

public class SquareOfStars
{
    static void Main()
    {
        int n = int.Parse(Console.ReadLine());

        Console.WriteLine(new string('*', n));

        for(int i = 1; i <= n - 2; i++)
        {
            Console.WriteLine("*" + new string(' ', n - 2) + "*");
        }

        Console.WriteLine(new string('*', n));
    }
}