using System;

​

public class Program

{

    public static void Main()

    {

        int x = 1;

        Console.WriteLine("inside main: - before call: " + x);

        myMethod(x);

        Console.WriteLine("inside main: - after call: " + x);

    }

    public static void myMethod(int y)

    {

        Console.WriteLine("inside method before calculation: " + y);

        y = y * 100;

        Console.WriteLine("inside method after calculation: " + y);

    }

}