import java.io.*;
import java.util.*;
import type.lib.Stock;

public class StockPrice
{
    public static void main(String[] args)
    {
	Scanner in = new Scanner(System.in);
	PrintStream out = System.out;

	String symbol = in.next();
	Stock stock = new Stock(symbol);
	out.printf("$ %.2f%n", stock.getPrice());
    }
}