using System;
public class Program
{
public static void Main()
Console.WriteLine("Pick a number 1-10");
string input = Console.ReadLine();
int size = Convert.ToInt32(input);
for (int a = 0;a < size + size - 1 ; a++)
for(int e = size; e > a - (size/2 + 1); e--)
Console.Write(" ");
}
for(int i = 0; i <= a; i++)
Console.Write(". ");
Console.WriteLine("");
for (int a = size + size - 1 ; a >= 0 ; a--)
for(int e = size; e > a - (size/2 + +1); e--)
/*
.
. .
. . .
. . . .
. . . . .
. . . . . .
. . . . . . .
. . . . . . . .
. . . . . . . . .
. . . . . . . . . .
. . . . . . . . . . .
*/
