import java.util.*;
import java.io.*;
public class NumberWriter {
    public static void main(String[] args) throws IOException {
        Scanner console = new Scanner(System.in);

        System.out.print("What file would you like to write to? ");
        String file = console.nextLine().trim();
 
        PrintStream output = new PrintStream(new File(file));

        /* BitInputStream and BitOutputStream assume that the
         * first byte in the file is an indication of how many
         * garbage bits are at the end of the file.  In the Huffman
         * assignment, all files that are read by BitInputStream will
         * have been written by BitOutputStream; so, you don't have to
         * worry about this. */
        output.write(0);

        boolean end = false;
        while (!end) {
            System.out.print("What number would you like to write? ");
            int num = Integer.parseInt(console.nextLine());

            /* Output the number to the file */
            output.write(num);
            
            System.out.print("Would you like to enter another number (y/n)? ");
            end = console.nextLine().trim().toLowerCase().startsWith("y");
        }
    }
}