// Reading from a text file example 

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

class TextFileEx  {

    public static void main(String[] args) throws IOException {
	
	Scanner inputFile; 
        inputFile = new Scanner(new File("data.txt"));

	DecimalFormat myformat = new DecimalFormat("0.##");

	String name;
	float price;
		
	price = inputFile.nextFloat();	
	inputFile.nextLine();  

	while (price != 0) {
		
	   name = inputFile.nextLine();					 
	   System.out.println(name + " -- " + myformat.format(price));

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