using System;

public class Program

{

    public static void Main()

    {

        //Question 1

          /*  

            for (int i = 0; i < 5; i++)

            {

                Console.Write("#");

            }

        //Question 2

            for (int i = 0; i < 3; i++)

            {

                for (int j = 0; j < 5; j++)

                {

                    Console.Write("#");

                }

                Console.WriteLine("");

            }

        //Question 3

            Console.WriteLine("Number of #");

            string r = Console.ReadLine();

            int row = Int32.Parse(r);  

            for (int i = 0; i < row; i++)

            {

                Console.Write("#");

            }

        //Question 4

            Console.WriteLine("Number of #");

            string c = Console.ReadLine();

            int col = Int32.Parse(c);

            Console.WriteLine("Number of rows");

            string r = Console.ReadLine();

            int row = Int32.Parse(r);

            for (int i = 0; i < row; i++)

            {

                for (int j = 0; j < col; j++)

                {

                    Console.Write("#");

                }

                Console.WriteLine("");

            }

        //Question 5

            for (int i = 0; i < 8; i++)

            {

                for (int j = 0; j < 4; j++)

                {

                    Console.Write("%&");

                }

                Console.WriteLine("");

            }

        //Question 6

            for (int i = 0; i < 7; i++)

            {

                if (i % 2 == 0)

                {

                    for (int j = 0; j < 7; j++)

                    {

                        Console.Write("*");

                    }

                    Console.WriteLine("");

                }

                else

                {

                    for (int j = 0; j < 7; j++)

                    {

                        Console.Write("@");

                    }

                    Console.WriteLine("");

                }

            }

        //Question 7

            Console.WriteLine("Number of #");

            string c = Console.ReadLine();

            int col = Int32.Parse(c);

            for (int i = 0; i < col; i++)

            {

                for (int j = 0; j < col; j++)

                {

                    Console.Write("#");

                }

                Console.WriteLine("");

            }

        */

        //Question 8

         Console.WriteLine("Number of #");

            string c = Console.ReadLine();

            int col = Int32.Parse(c);

            for (int i = 0; i < col; i++)

            {

                for (int j = 0; j < col; j++)

                {

                    Console.Write("#");

                }

                Console.WriteLine("");

            }

    }

}