UVA - 11877 - The Coco-Cola Store

import java.io.*;
import java.util.IllegalFormatException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.swing.JFileChooser;
import javax.swing.JOptionPane;

public class Main{

    public static void main(String[] args) throws FileNotFoundException {
       
        TextIO.readStream(System.in);
        while(true){
            int n=TextIO.getInt();
            if(n==0)
                break;
            System.out.println(n/2);
        }
}
}