using System;

public class Program

{

    public static void Main()

    {

        int x = 5;

        int yFactorialRunningTotal = 0;

        int xFactorial = 1;

        for (  ; x >= 1  ; x-- )

        {

            int yFactorial = 1;

            for ( int y = 1 ; y <= x   ; y++ )

            {

                yFactorial = yFactorial * y;

                //Console.WriteLine("Inside loop {0}", yFactorial);

            }

            yFactorialRunningTotal = yFactorialRunningTotal + yFactorial;

​

            xFactorial = xFactorial * x; 

​

​

        }

        Console.WriteLine(yFactorialRunningTotal+xFactorial);

    }

}