using System;

public class Program

{

    public static void Main()

    {

        //Adel El Nabarawy

        Console.WriteLine("enter the numper of shape");

        Console.WriteLine("for pyramid shape enter (1)");

        Console.WriteLine("for mostateel shape enter (2)");

        Console.WriteLine("for square shape enter (3)");

        Console.WriteLine("for mo3yan shape (1)");

        int x =int.Parse(Console.ReadLine());

        if (x==1)

        {

            //pyramid shape

            for(int i=1;i<=4;i++)

            {

                for(int j=1;j<=(4-i);j++)

                {

                    Console.Write(" ");

                }

                for(int j=1;j<=(2*i-1);j++)

                {

                    Console.Write("*");

                }

                Console.WriteLine();

            }

        }

        else if (x==2)

        {

            //mostateel shape

            for(int i=1;i<=4;i++)

            {

                for(int j=1;j<=7;j++)

                {

                    Console.Write("* ");

                }

                Console.WriteLine();

            }

        }

        //square shape

        else if (x==3)

        {

            for(int i=1;i<=4;i++)

            {

                for(int j=1;j<=4;j++)

                {

                    Console.Write("* ");

                }

                Console.WriteLine();

            }

        }

        //mo3yan shape

        else if (x==4)

        {

            for(int i=1;i<=4;i++)

            {

                for(int j=1;j<=(4-i);j++)

                {

                    Console.Write(" ");

                }

                for(int j=1;j<=(2*i-1);j++)

                {

                    Console.Write("*");

                }

                Console.WriteLine();

            }

            for(int i=4;i>=1;i--)

            {

                for(int j=1;j<=(4-i);j++)

                {

                    Console.Write(" ");

                }

                for(int j=1;j<=(2*i-1);j++)

                {

                    Console.Write("*");

                }

                Console.WriteLine();

            }

        }

        else

            Console.WriteLine("no shape");

        }

}