using System;

public class Program

{

    public static void Main()

    {

        int number = 1;

        Console.WriteLine("Before AddByRef: " + number);

        AddOneByRef(ref number);

        Console.WriteLine("After AddByRef: " + number);

        SetByOut(out number);

        Console.WriteLine("After SetByOut: " + number);

    }

    static void AddOneByRef(ref int value)

    {

            value++;

    }

    static void SetByOut(out int value)

    {

            value = 34;

    }

}