using System;

public class Program

{

    public static int IPlusPlus(ref int i) {

        i = i + 1;

        return i;

    }

    public static int PlusPlusI(ref int i) {

        try {

            return i;

        }

        finally {

            i = i + 1;

        }

    }

    public static void Main()

    {

        int i = 5;

        Console.WriteLine(i); // 5

        Console.WriteLine(PlusPlusI(ref i)); // 5

        Console.WriteLine(i); // 6

        Console.WriteLine(IPlusPlus(ref i)); // 7

        Console.WriteLine(i); // 7

    }

}