import java.util.Vector;
import java.io.*;
public class FoodOrder
{
    Vector FoodOrder = new Vector();
    boolean completed = false;

    public void addFood()
    {
        try
        {
            BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
            int food;
            int counter = 0;
            food = Integer.parseInt( in.readLine());
            FoodOrder.add(counter, food);
            counter++;
        }
        catch(Exception er) {er.printStackTrace();}
    }

    public void removeFood()
    {
     Object remove = 0;
     try
     {
         BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        remove = Integer.parseInt( in.readLine());
     }
     catch(Exception er) {er.printStackTrace();}

     for(int i=1; i<=FoodOrder.size(); i++)
     {
         Object fooditem = FoodOrder.get(i-1);
         if(fooditem == remove)
            {FoodOrder.remove(i-1);}
         else
            {/*return item not found?*/}
     }
    }

    public void cancelFoodOrder()
    {
        FoodOrder.clear();
    }

    public void setAsCompleted()
    {
        boolean complete = true;
    }
}