using System;

public class Program

{

    public static void Main()

    {

        //Console.WriteLine("Hello World");

        //Marc Gelago

        //Test 1

        decimal usd;

        decimal aus;

        decimal sing;

        decimal jap;

        string strUsd;

        string strAus;

        string strSing;

        string strJap;

        usd = (1000 + 500 + 500 + 40);

        strUsd = "US$" + Math.Round(usd, 4).ToString();

        Console.WriteLine(strUsd);

        aus = (1000 + 500 + 500 + 40);

        strAus = "A$" + Math.Round(aus, 4).ToString();

        Console.WriteLine(strAus);

        sing = (1000 + 500 + 500 + 40);

        strSing = "S$" + Math.Round(sing, 4).ToString();

        Console.WriteLine(strSing);

        jap = (1000 + 500 + 500 + 40);

        strJap = "¥" + Math.Round(jap, 4).ToString();

        Console.WriteLine(strJap);

        //Test 2

        usd = usd - 500;

        strUsd = "US$" + Math.Round(usd, 4).ToString();

        Console.WriteLine(strUsd);

        aus = aus - 500;

        strAus = "A$" + Math.Round(aus, 4).ToString();

        Console.WriteLine(strAus);

        sing = sing - 500;

        strSing = "S$" + Math.Round(sing, 4).ToString();

        Console.WriteLine(strSing);

        jap = jap - 500;

        strJap = "¥" + Math.Round(jap, 4).ToString();

        Console.WriteLine(strJap);

    }

}