using System;

public class Program

{

    //functions goes here

    public void Display()

    {

        Console.WriteLine("You will pass this class");

    }

    private static int NumberP(int x)

    {

        x = 20;

        Console.WriteLine(x);

        return x;

    }

    public static void Main(Display)

    {

        Display();

        int x=2;

        Console.WriteLine(NumberP(x));

    }

}