​

using System;

public class Program

{

    public static void Main()

    {

        int n,v;

        char c;

        Console.Write("enter number");

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

        Console.Write("put character >:(");

        c=char.Parse(Console.ReadLine());

        v=n;

        while (v>1)

        {

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

             {Console.Write(c);}

            Console.WriteLine();

            v--;

        }

        while (v<=n)

        {

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

        {

            {Console.Write(c);}

             Console.WriteLine();

             v++;

        }

        }

}

}