Lesson #8

using System;

namespace MyNamespace
{
    class Program
    {
        static void Main()
        {
            int n = int.Parse(Console.ReadLine());

            for (int i = 0; i < n; ++i)
            {
                for (int j = 0; j < n; ++j)
                {
                    Console.Write('*');
                }

                Console.WriteLine();
            }
        }
    }
}