/* An example of using a text file as an input stream, and saving
   the results in other text file, which is the output stream instead
   of the screen. */

import java.util.Scanner;
import java.text.DecimalFormat;
import java.io.*;

class TextFileEx2 {

    public static void main(String[] args) throws IOException {
	
	final float RATE_OF_INFLATION = 0.025f;

	Scanner inputFile; 
        inputFile = new Scanner(new File("data.txt"));

 	PrintWriter outputFile;
	outputFile = new PrintWriter(new FileWriter("results.txt"));

	DecimalFormat myformat = new DecimalFormat("0.##");
		
	String name;
	float price;
		
	price = inputFile.nextFloat();
        inputFile.nextLine();

	while (price != 0) {
		
	   price = price + (price * RATE_OF_INFLATION);
	   name = inputFile.nextLine();
	   outputFile.println(name + " -- " + myformat.format(price));

	   price = inputFile.nextFloat();
           inputFile.nextLine();
	}

	outputFile.close(); // outputFile must be closed at the end.
    }
}